<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <link:roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1901441FF3848871E5DFDED777453394_label_en-US" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1901441FF3848871E5DFDED777453394" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" xlink:label="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1901441FF3848871E5DFDED777453394" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1901441FF3848871E5DFDED777453394" xlink:to="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1901441FF3848871E5DFDED777453394" xlink:type="arc" />
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959_verboseLabel_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs</link:label>
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959_label_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components Of Deferred Costs Net [Table Text Block]</link:label>
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959_documentation_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Components of deferred costs net table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ComponentsOfDeferredCostsNetTableTextBlock" xlink:label="loc_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:to="lab_bdn_ComponentsOfDeferredCostsNetTableTextBlock_95BDACF1CD1D684D2732DED777459959" xlink:type="arc" />
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4E0FBD1E41CB168C3792DED777BD2F0B_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4E0FBD1E41CB168C3792DED777BD2F0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4E0FBD1E41CB168C3792DED777BD2F0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4E0FBD1E41CB168C3792DED777BD2F0B" xlink:to="lab_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_4E0FBD1E41CB168C3792DED777BD2F0B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_784D64A5306C37A149BCDED777BD75A2" xlink:type="arc" />
    <link:label id="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907_verboseLabel_en-US" xlink:label="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Annual amortization of intangible assets and liabilities</link:label>
    <link:label id="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907_label_en-US" xlink:label="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Annual Amortization For Its Intangible Assets Liabilities [Table Text Block]</link:label>
    <link:label id="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907_documentation_en-US" xlink:label="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Annual amortization for its intangible assets liabilities table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock" xlink:label="loc_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:to="lab_bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTableTextBlock_E85431DDE2FA0B2AD55FDED777BD3907" xlink:type="arc" />
    <link:label id="lab_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032_label_en-US" xlink:label="lab_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document and Entity Information [Abstract]</link:label>
    <link:label id="lab_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032_documentation_en-US" xlink:label="lab_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Document And Entity Information.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DocumentAndEntityInformationAbstract" xlink:label="loc_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032" xlink:to="lab_bdn_DocumentAndEntityInformationAbstract_E2DB6F5AC16D3641B8D6DED77709C032" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE_label_en-US" xlink:label="lab_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE" xlink:to="lab_us-gaap_StatementTable_8257996D418AA346925DDED777095BBE" xlink:type="arc" />
    <link:label id="lab_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A_label_en-US" xlink:label="lab_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A" xlink:to="lab_dei_LegalEntityAxis_9AA6F7187A546A434AEEDED77709C05A" xlink:type="arc" />
    <link:label id="lab_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379_terseLabel_en-US" xlink:label="lab_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379_label_en-US" xlink:label="lab_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379" xlink:to="lab_dei_EntityDomain_7415950C8D8E38DFA96EDED77709C379" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72_verboseLabel_en-US" xlink:label="lab_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">BRANDYWINE OPERATING PARTNERSHIP, L.P.</link:label>
    <link:label id="lab_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72_label_en-US" xlink:label="lab_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsidiaries [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72" xlink:to="lab_us-gaap_SubsidiariesMember_1BDEB86C038177DCF7D0DED77709DF72" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31" xlink:to="lab_us-gaap_StatementLineItems_14E6D47AC0F6AA218396DED777094B31" xlink:type="arc" />
    <link:label id="lab_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9_label_en-US" xlink:label="lab_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9" xlink:to="lab_dei_EntityRegistrantName_BB20ADD0C20E8EB1AD2EDED7770962E9" xlink:type="arc" />
    <link:label id="lab_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F" xlink:to="lab_dei_EntityCentralIndexKey_535EE1D27FBB4C1247D0DED77709525F" xlink:type="arc" />
    <link:label id="lab_dei_DocumentType_CE811577C1008D778B93DED777091689_terseLabel_en-US" xlink:label="lab_dei_DocumentType_CE811577C1008D778B93DED777091689" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_CE811577C1008D778B93DED777091689_label_en-US" xlink:label="lab_dei_DocumentType_CE811577C1008D778B93DED777091689" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_CE811577C1008D778B93DED777091689" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType_CE811577C1008D778B93DED777091689" xlink:to="lab_dei_DocumentType_CE811577C1008D778B93DED777091689" xlink:type="arc" />
    <link:label id="lab_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82" xlink:to="lab_dei_DocumentPeriodEndDate_006C60047B1555699339DED777098D82" xlink:type="arc" />
    <link:label id="lab_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2_label_en-US" xlink:label="lab_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2" xlink:to="lab_dei_AmendmentFlag_6603B974D94EF736A886DED77709C6A2" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445" xlink:to="lab_dei_DocumentFiscalYearFocus_5588C64CF12F9951C9C7DED777099445" xlink:type="arc" />
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461" xlink:to="lab_dei_DocumentFiscalPeriodFocus_DD298CF940459D51AA18DED777090461" xlink:type="arc" />
    <link:label id="lab_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669" xlink:to="lab_dei_CurrentFiscalYearEndDate_54A9D8195B7F54BE8E51DED77709C669" xlink:type="arc" />
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer_64F1CEAA0576F4F01D59DED777095823" xlink:type="arc" />
    <link:label id="lab_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3_terseLabel_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:label id="lab_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3_label_en-US" xlink:label="lab_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Voluntary Filers</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="loc_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3" xlink:to="lab_dei_EntityVoluntaryFilers_1CACEEAD3E2BD3486522DED777090FB3" xlink:type="arc" />
    <link:label id="lab_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="loc_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56" xlink:to="lab_dei_EntityCurrentReportingStatus_2FF54D53205AD9860996DED777092C56" xlink:type="arc" />
    <link:label id="lab_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3_label_en-US" xlink:label="lab_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3" xlink:to="lab_dei_EntityFilerCategory_F28E8956807743903DD4DED77709A1D3" xlink:type="arc" />
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE" xlink:to="lab_dei_EntityCommonStockSharesOutstanding_8715E297158F465E0483DED7770990DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateAbstract_83DB135BD62ACE785DCADED7776DE8B8_label_en-US" xlink:label="lab_us-gaap_RealEstateAbstract_83DB135BD62ACE785DCADED7776DE8B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateAbstract" xlink:label="loc_us-gaap_RealEstateAbstract_83DB135BD62ACE785DCADED7776DE8B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAbstract_83DB135BD62ACE785DCADED7776DE8B8" xlink:to="lab_us-gaap_RealEstateAbstract_83DB135BD62ACE785DCADED7776DE8B8" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross carrying value of rental properties</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Gross [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGrossAbstract" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGrossAbstract_AF6E9D2B814A7FBC86D0DED7776DF357" xlink:type="arc" />
    <link:label id="lab_us-gaap_Land_8C881076CEF201846A51DED7776D9E65_verboseLabel_en-US" xlink:label="lab_us-gaap_Land_8C881076CEF201846A51DED7776D9E65" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_us-gaap_Land_8C881076CEF201846A51DED7776D9E65_label_en-US" xlink:label="lab_us-gaap_Land_8C881076CEF201846A51DED7776D9E65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Land" xlink:label="loc_us-gaap_Land_8C881076CEF201846A51DED7776D9E65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Land_8C881076CEF201846A51DED7776D9E65" xlink:to="lab_us-gaap_Land_8C881076CEF201846A51DED7776D9E65" xlink:type="arc" />
    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6_verboseLabel_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Building and improvements</link:label>
    <link:label id="lab_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6_label_en-US" xlink:label="lab_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Buildings and Improvements, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6" xlink:to="lab_us-gaap_BuildingsAndImprovementsGross_376A9B745E3A02BB2F27DED7776D36B6" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA_verboseLabel_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tenant improvements</link:label>
    <link:label id="lab_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA_label_en-US" xlink:label="lab_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leasehold Improvements, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="loc_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA" xlink:to="lab_us-gaap_LeaseholdImprovementsGross_94E059B8918FBFD030C7DED7776DBCDA" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D_totalLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Rental properties</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, at Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyAtCost_051379A3EA7DF146AD4CDED7776D637D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingAbstract_37DC06AEF6FF636B3535B842CF319FE6_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_37DC06AEF6FF636B3535B842CF319FE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_37DC06AEF6FF636B3535B842CF319FE6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract_37DC06AEF6FF636B3535B842CF319FE6" xlink:to="lab_us-gaap_SegmentReportingAbstract_37DC06AEF6FF636B3535B842CF319FE6" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of consolidated net operating income</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="loc_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F" xlink:to="lab_us-gaap_NetIncomeLossAbstract_38F3B5686510D965CC80B842CF31BF8F" xlink:type="arc" />
    <link:label id="lab_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065_verboseLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Consolidated net operating income</link:label>
    <link:label id="lab_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065_label_en-US" xlink:label="lab_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gross Profit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065" xlink:to="lab_us-gaap_GrossProfit_BAF4048B20E739240D9DB842CF318065" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Less:</link:label>
    <link:label id="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44_label_en-US" xlink:label="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Expense Disclosure, Nonoperating [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:label="loc_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44" xlink:to="lab_us-gaap_OtherExpenseDisclosureNonoperatingAbstract_56A4C93240D87485CF94B842CF318F44" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B_label_en-US" xlink:label="lab_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B" xlink:to="lab_us-gaap_InterestExpense_38B0DB74D1B7B8861688B842CF316C0B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred financing costs</link:label>
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Financing Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts_13ADAF0387E97BA67B2DB842CF321FCD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB_negatedLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization, Nonproduction</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB" xlink:to="lab_us-gaap_DepreciationAndAmortization_A7613A88B6203288E3B9B842CF3228BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33_negatedLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Administrative expenses</link:label>
    <link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33_label_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General and Administrative Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33" xlink:to="lab_us-gaap_GeneralAndAdministrativeExpense_A01BBF96A60BEB1F7F82B842CF328B33" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Plus:</link:label>
    <link:label id="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87_label_en-US" xlink:label="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income Disclosure, Nonoperating [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:label="loc_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87" xlink:to="lab_us-gaap_OtherIncomeDisclosureNonoperatingAbstract_2572B784E356C6EAED67B842CF32AB87" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C_verboseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C" xlink:to="lab_us-gaap_InvestmentIncomeInterest_DB150E998BE011FE6D8FB842CF32F76C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Historic tax credit transaction income</link:label>
    <link:label id="lab_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB_label_en-US" xlink:label="lab_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Credits and Adjustments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxCreditsAndAdjustments" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB" xlink:to="lab_us-gaap_IncomeTaxCreditsAndAdjustments_67CB33719F26C450B12FB842CF3205CB" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Interest expense &#8212; financing obligation</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="loc_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169" xlink:to="lab_us-gaap_InterestExpenseDebt_F358C8FAEC59426859B2B842CF32C169" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity in income of real estate ventures</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Equity Method Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments_D203F745364AD76E2B54B842CF32FACC" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net gain on sales of interests in real estate ventures</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Sales of Investment Real Estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541" xlink:to="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_73F1CB5ACB218A6FFB6CB842CF325541" xlink:type="arc" />
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169_negatedLabel_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loss on real estate venture formation</link:label>
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169_label_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss On Real Estate Venture Formation</link:label>
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169_documentation_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss on real estate venture formation</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LossOnRealEstateVentureFormation" xlink:label="loc_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:to="lab_bdn_LossOnRealEstateVentureFormation_7501F21FF665F5282442B842CF326169" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9_verboseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on early extinguishment of debt</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Extinguishment of Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_DBCBDA54E2B24328E825B842CF33FAA9" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_2507AC9DD6001DBEA452B842CF33C2E2" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from discontinued operations</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2D66E7B4370ECAF74818B842CF33656B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3_terseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss)</link:label>
    <link:label id="lab_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3_label_en-US" xlink:label="lab_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3" xlink:to="lab_us-gaap_ProfitLoss_EC18781F37A658FD05DDB842CF33BFB3" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityAbstract_A5BEFF092DFBA755EC6FDED7771DB3C4_label_en-US" xlink:label="lab_us-gaap_EquityAbstract_A5BEFF092DFBA755EC6FDED7771DB3C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityAbstract" xlink:label="loc_us-gaap_EquityAbstract_A5BEFF092DFBA755EC6FDED7771DB3C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityAbstract_A5BEFF092DFBA755EC6FDED7771DB3C4" xlink:to="lab_us-gaap_EquityAbstract_A5BEFF092DFBA755EC6FDED7771DB3C4" xlink:type="arc" />
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC_verboseLabel_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">PARTNERS' EQUITY OF THE OPERATING PARTNERSHIP</link:label>
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC_label_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partners Equity of Operating Partnership [Text Block]</link:label>
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC_documentation_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partners Equity of Operating Partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PartnersEquityOfOperatingPartnershipTextBlock" xlink:label="loc_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:to="lab_bdn_PartnersEquityOfOperatingPartnershipTextBlock_4BF95AE8EEE2FD6F8F40DED7771D6AAC" xlink:type="arc" />
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765_terseLabel_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit [Table]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765_label_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit [Table]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765_documentation_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EarningsPerCommonPartnershipUnitTable" xlink:label="loc_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:to="lab_bdn_EarningsPerCommonPartnershipUnitTable_F8FB87B8B5FFA14F755CDED77763D765" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="loc_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F" xlink:to="lab_us-gaap_StatementClassOfStockAxis_6B0F4FDF50D22F37D6F5DED77763961F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5" xlink:to="lab_us-gaap_ClassOfStockDomain_6B48C92070634EB350ECDED77763A6D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7_terseLabel_en-US" xlink:label="lab_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series C Preferred Stock [Member]</link:label>
    <link:label id="lab_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7_label_en-US" xlink:label="lab_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series C Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7" xlink:to="lab_us-gaap_SeriesCPreferredStockMember_A20C41AC7916D1FA6FACDED77763E7D7" xlink:type="arc" />
    <link:label id="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5_terseLabel_en-US" xlink:label="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7.375% Series E Preferred Shares</link:label>
    <link:label id="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5_label_en-US" xlink:label="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series D Preferred Stocks [Member]</link:label>
    <link:label id="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5_documentation_en-US" xlink:label="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Series D Preferred Stocks.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeriesDPreferredStocksMember" xlink:label="loc_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:to="lab_bdn_SeriesDPreferredStocksMember_132C75B5F9DAEC4DD3B4DED777630FC5" xlink:type="arc" />
    <link:label id="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE_terseLabel_en-US" xlink:label="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.90% Series E-linked Preferred Units [Member]</link:label>
    <link:label id="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE_label_en-US" xlink:label="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">6.90% Series E-linked Preferred Units [Member]</link:label>
    <link:label id="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE_documentation_en-US" xlink:label="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">6.90% Series E-linked Preferred Units [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A690SeriesELinkedPreferredUnitsMember" xlink:label="loc_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:to="lab_bdn_A690SeriesELinkedPreferredUnitsMember_7C34A10E0BAD82724996DED7776332AE" xlink:type="arc" />
    <link:label id="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49_terseLabel_en-US" xlink:label="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class F (2010) Units</link:label>
    <link:label id="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49_label_en-US" xlink:label="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class F (2010) Units [Member]</link:label>
    <link:label id="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49_documentation_en-US" xlink:label="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Class F (2010) Units member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ClassF2010UnitsMember" xlink:label="loc_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:to="lab_bdn_ClassF2010UnitsMember_DFABB1B42A15C1F0DDDDDED77763CD49" xlink:type="arc" />
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E_terseLabel_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit [Line Items]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E_label_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit [Line Items]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E_documentation_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings per common partnership unit line items.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EarningsPerCommonPartnershipUnitLineItems" xlink:label="loc_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:to="lab_bdn_EarningsPerCommonPartnershipUnitLineItems_85D4C7B5B83DC7CB62B9DED77763F59E" xlink:type="arc" />
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB_verboseLabel_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Partners Equity of The Operating Partnership (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB_label_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partners Equity of The Operating Partnership (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB_documentation_en-US" xlink:label="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partners Equity of The Operating Partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract" xlink:label="loc_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:to="lab_bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_DBC7D5703D49E5778CC6DED7776357CB" xlink:type="arc" />
    <link:label id="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0_verboseLabel_en-US" xlink:label="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Distribution Declared per common partnership unit</link:label>
    <link:label id="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0_label_en-US" xlink:label="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distribution Declared Per Common Partnership Unit</link:label>
    <link:label id="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0_documentation_en-US" xlink:label="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Distribution Declared per common partnership unit.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DistributionDeclaredPerCommonPartnershipUnit" xlink:label="loc_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:to="lab_bdn_DistributionDeclaredPerCommonPartnershipUnit_DED401FF2BA91E0396CEDED777632BD0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends Payable, Amount</link:label>
    <link:label id="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D_label_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D" xlink:to="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_C1BE0D6674FDC0B569AFDED77763938D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Preferential return</link:label>
    <link:label id="lab_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD_label_en-US" xlink:label="lab_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Dividend Rate, Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD" xlink:to="lab_us-gaap_PreferredStockDividendRatePercentage_B9CF1BE7947A3C2A794DDED77763BCBD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138_terseLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends, Preferred Stock, Cash</link:label>
    <link:label id="lab_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138_label_en-US" xlink:label="lab_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Preferred Stock, Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="loc_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138" xlink:to="lab_us-gaap_DividendsPreferredStockCash_C28AF591A43C8BA67EB4DED777634138" xlink:type="arc" />
    <link:label id="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B_verboseLabel_en-US" xlink:label="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Partnership units issued for acquisition</link:label>
    <link:label id="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B_label_en-US" xlink:label="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partnership units issued for acquisition</link:label>
    <link:label id="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B_documentation_en-US" xlink:label="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Partnership units issued for acquisition.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PartnershipUnitsIssuedForAcquisition" xlink:label="loc_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:to="lab_bdn_PartnershipUnitsIssuedForAcquisition_57DC2DA67C2F12E75B59DED777637D6B" xlink:type="arc" />
    <link:label id="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450_verboseLabel_en-US" xlink:label="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Market price of shares on acquisition date</link:label>
    <link:label id="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450_label_en-US" xlink:label="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Market price of shares on acquisition date</link:label>
    <link:label id="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450_documentation_en-US" xlink:label="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Market price of shares on acquisition date.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MarketPriceOfSharesOnAcquisitionDate" xlink:label="loc_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:to="lab_bdn_MarketPriceOfSharesOnAcquisitionDate_F5FBE8428C40AAF3CF7BDED777635450" xlink:type="arc" />
    <link:label id="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384_verboseLabel_en-US" xlink:label="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Dividend rate</link:label>
    <link:label id="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384_label_en-US" xlink:label="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividend rate</link:label>
    <link:label id="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384_documentation_en-US" xlink:label="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Dividend rate.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DividendRate" xlink:label="loc_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:to="lab_bdn_DividendRate_A4C9582712A18270B0FCDED777637384" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresAbstract_32D187960BEE3D470155DED776F5267C_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract_32D187960BEE3D470155DED776F5267C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_32D187960BEE3D470155DED776F5267C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_32D187960BEE3D470155DED776F5267C" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract_32D187960BEE3D470155DED776F5267C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">FAIR VALUE OF FINANCIAL INSTRUMENTS</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock_17BC230B730B9B440C64DED776F513B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_78146E1F45FA99124ACEDED77759EDA6_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_78146E1F45FA99124ACEDED77759EDA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_78146E1F45FA99124ACEDED77759EDA6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_78146E1F45FA99124ACEDED77759EDA6" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_78146E1F45FA99124ACEDED77759EDA6" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390_verboseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SHARE BASED AND DEFERRED COMPENSATION</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Compensation Related Costs, Share-based Payments [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_49DA5B9089BEAD031C03DED777599390" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Segment information</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_ECE2727237F53A2EA465DED7776DF05C" xlink:type="arc" />
    <link:label id="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854_verboseLabel_en-US" xlink:label="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of consolidated net operating income</link:label>
    <link:label id="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854_label_en-US" xlink:label="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reconciliation Of Consolidated Net Operating Income [Table Text Block]</link:label>
    <link:label id="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854_documentation_en-US" xlink:label="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reconciliation of consolidated net operating income table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock" xlink:label="loc_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:to="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_B7626C2F334CFEC64CA1DED7776D2854" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3_verboseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SEGMENT INFORMATION</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock_0407C2DAA79C6285B29CDED7773B6EA3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Significant Acquisitions and Disposals [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Significant Acquisitions and Disposals [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable" xlink:label="loc_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880" xlink:to="lab_us-gaap_ScheduleOfSignificantAcquisitionsAndDisposalsTable_AEFAE9D44E6586DF5F31BDF805E7D880" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_82B5ADEE963872910D98BDF805E85D46" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_E63C58A0B7777A9C5A76BDF805E88751" xlink:type="arc" />
    <link:label id="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406_terseLabel_en-US" xlink:label="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Oaklands Corporate Center [Member]</link:label>
    <link:label id="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406_label_en-US" xlink:label="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Oaklands Corporate Center [Member]</link:label>
    <link:label id="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406_documentation_en-US" xlink:label="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Oaklands Corporate Center [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OaklandsCorporateCenterMember" xlink:label="loc_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:to="lab_bdn_OaklandsCorporateCenterMember_66FCF148B77E70786220BDF805E86406" xlink:type="arc" />
    <link:label id="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369_terseLabel_en-US" xlink:label="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pacific Ridge Corporate Center [Member]</link:label>
    <link:label id="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369_label_en-US" xlink:label="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pacific Ridge Corporate Center [Member]</link:label>
    <link:label id="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369_documentation_en-US" xlink:label="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pacific Ridge Corporate Center [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PacificRidgeCorporateCenterMember" xlink:label="loc_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:to="lab_bdn_PacificRidgeCorporateCenterMember_EB9F45B3E688DC72EC66BDF805E82369" xlink:type="arc" />
    <link:label id="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07_terseLabel_en-US" xlink:label="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">South Lake at Dulles Corner [Member]</link:label>
    <link:label id="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07_label_en-US" xlink:label="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">South Lake at Dullus Corner [Member]</link:label>
    <link:label id="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07_documentation_en-US" xlink:label="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">South Lake at Dullus Corner [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SouthLakeAtDullusCornerMember" xlink:label="loc_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:to="lab_bdn_SouthLakeAtDullusCornerMember_EF69EBCD11D3B31F686ABDF805E88C07" xlink:type="arc" />
    <link:label id="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4_terseLabel_en-US" xlink:label="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">304 Harper Drive [Member]</link:label>
    <link:label id="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4_label_en-US" xlink:label="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">304 Harper Drive [Member]</link:label>
    <link:label id="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4_documentation_en-US" xlink:label="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">304 Harper Drive [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A304HarperDriveMember" xlink:label="loc_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:to="lab_bdn_A304HarperDriveMember_8952BD92ADDE0E3ED627BDF805E82CC4" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals by Transaction [Axis]</link:label>
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5_label_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals by Transaction [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5" xlink:to="lab_us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis_13797E7F05392FAA5F55BDF805E8CBB5" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals, Transaction [Domain]</link:label>
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B_label_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals, Transaction [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B" xlink:to="lab_us-gaap_SignificantAcquisitionsAndDisposalsTransactionDomain_98C0869ACBCCE1152D2DBDF805E8CA6B" xlink:type="arc" />
    <link:label id="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A_terseLabel_en-US" xlink:label="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TB-BDN Plymouth Apartments [Member]</link:label>
    <link:label id="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A_label_en-US" xlink:label="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TB-BDN Plymouth Apartments [Member]</link:label>
    <link:label id="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A_documentation_en-US" xlink:label="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">TB-BDN Plymouth Apartments [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TbBdnPlymouthApartmentsMember" xlink:label="loc_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:to="lab_bdn_TbBdnPlymouthApartmentsMember_63124B876A8DA3CAF4F6BDF805E9D68A" xlink:type="arc" />
    <link:label id="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C_terseLabel_en-US" xlink:label="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plymouth Meeting, Pennsylvania [Member]</link:label>
    <link:label id="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C_label_en-US" xlink:label="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plymouth Meeting, Pennsylvania [Member]</link:label>
    <link:label id="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C_documentation_en-US" xlink:label="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Plymouth Meeting, Pennsylvania [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PlymouthMeetingPennsylvaniaMember" xlink:label="loc_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:to="lab_bdn_PlymouthMeetingPennsylvaniaMember_4DEB7A8DE27BBC4D47FCBDF805E9E41C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23_terseLabel_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals [Line Items]</link:label>
    <link:label id="lab_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23_label_en-US" xlink:label="lab_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Acquisitions and Disposals [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAcquisitionsAndDisposalsLineItems" xlink:label="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23" xlink:to="lab_us-gaap_SignificantAcquisitionsAndDisposalsLineItems_193450188AF0312091F3BDF805E9BA23" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Ownership Percentage</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Ownership Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_46DE8CE3411AA76A2DD8BDF805E97248" xlink:type="arc" />
    <link:label id="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE_terseLabel_en-US" xlink:label="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Area Owned By Real Estate Venture Of Undeveloped Parcels Of Land</link:label>
    <link:label id="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE_label_en-US" xlink:label="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area Owned By Real Estate Venture Of Undeveloped Parcels Of Land</link:label>
    <link:label id="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE_documentation_en-US" xlink:label="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Area owned by Real estate venture of undeveloped parcels of land (in acres).</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand" xlink:label="loc_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:to="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_C063856850FE1925E967BDF805E904AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652_terseLabel_en-US" xlink:label="lab_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Ownership Interests, Contributed Capital</link:label>
    <link:label id="lab_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652_label_en-US" xlink:label="lab_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Ownership Interests, Contributed Capital</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherOwnershipInterestsValue" xlink:label="loc_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652" xlink:to="lab_us-gaap_OtherOwnershipInterestsValue_7486E86EB96FA49588E5BDF805E9B652" xlink:type="arc" />
    <link:label id="lab_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A_terseLabel_en-US" xlink:label="lab_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Contributions from Affiliates</link:label>
    <link:label id="lab_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A_label_en-US" xlink:label="lab_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due from Affiliates</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DueFromAffiliates" xlink:label="loc_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A" xlink:to="lab_us-gaap_DueFromAffiliates_E31F823BA9168373093DBDF805E9EC5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Units in Real Estate Property</link:label>
    <link:label id="lab_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B_label_en-US" xlink:label="lab_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Units in Real Estate Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfUnitsInRealEstateProperty" xlink:label="loc_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B" xlink:to="lab_us-gaap_NumberOfUnitsInRealEstateProperty_1070AE3E90054800866FBDF805E9DD9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7" xlink:to="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_F64D05FAEA85D3C73767BDF805E937B7" xlink:type="arc" />
    <link:label id="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7_terseLabel_en-US" xlink:label="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Permanent Basis Adjustment Between Carrying Value And Fair Value</link:label>
    <link:label id="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7_label_en-US" xlink:label="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Permanent Basis Adjustment Between Carrying Value And Fair Value</link:label>
    <link:label id="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7_documentation_en-US" xlink:label="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Permanent Basis Adjustment Between Carrying Value And Fair Value</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue" xlink:label="loc_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:to="lab_bdn_PermanentBasisAdjustmentBetweenCarryingValueAndFairValue_B3212D7704E0597336ABBDF80A9511E7" xlink:type="arc" />
    <link:label id="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840_verboseLabel_en-US" xlink:label="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net rentable space of property acquired</link:label>
    <link:label id="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840_label_en-US" xlink:label="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Rentable Space</link:label>
    <link:label id="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840_documentation_en-US" xlink:label="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Rentable Space.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NetRentableSpace" xlink:label="loc_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:to="lab_bdn_NetRentableSpace_19FB8777C2C121F17BDFBDF805E97840" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A_verboseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Acquired real estate, cost of property</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Purchase Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A" xlink:to="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice_8F233CECED991BB2DA61BDF805EAF18A" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C_verboseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Acquisition related costs</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Transaction Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C" xlink:to="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts_4277282A90DE04BFEE08BDF805EACB9C" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149_terseLabel_en-US" xlink:label="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of real estate properties sold</link:label>
    <link:label id="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149_label_en-US" xlink:label="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of real estate properties sold</link:label>
    <link:label id="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149_documentation_en-US" xlink:label="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of real estate properties sold</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfRealEstatePropertiesSold" xlink:label="loc_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:to="lab_bdn_NumberOfRealEstatePropertiesSold_B1E7CF9ED0C8A08497B0BDF805EA8149" xlink:type="arc" />
    <link:label id="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8_verboseLabel_en-US" xlink:label="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net rentable square feet of properties sold</link:label>
    <link:label id="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8_label_en-US" xlink:label="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Rentable Space Sold</link:label>
    <link:label id="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8_documentation_en-US" xlink:label="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net Rentable Space Sold.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NetRentableSpaceSold" xlink:label="loc_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:to="lab_bdn_NetRentableSpaceSold_07D3A52BA791E1869572BDF805EAA2A8" xlink:type="arc" />
    <link:label id="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7_verboseLabel_en-US" xlink:label="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sales price of properties sold</link:label>
    <link:label id="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7_label_en-US" xlink:label="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Consideration Of Sold Property</link:label>
    <link:label id="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7_documentation_en-US" xlink:label="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale Consideration Of Sold Property.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SaleConsiderationOfSoldProperty" xlink:label="loc_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:to="lab_bdn_SaleConsiderationOfSoldProperty_8531102C560CC73EE503BDF805EA4FD7" xlink:type="arc" />
    <link:label id="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA_terseLabel_en-US" xlink:label="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lease percentage of sold property</link:label>
    <link:label id="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA_label_en-US" xlink:label="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lease percentage of sold property</link:label>
    <link:label id="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA_documentation_en-US" xlink:label="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Lease percentage of sold property.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LeasePercentageOfSoldProperty" xlink:label="loc_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:to="lab_bdn_LeasePercentageOfSoldProperty_B7C4D30C189BC1AC522EBDF805EA19AA" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_67A57473F9E9186AFE14DED777BDEB3F_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_67A57473F9E9186AFE14DED777BDEB3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_67A57473F9E9186AFE14DED777BDEB3F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract_67A57473F9E9186AFE14DED777BDEB3F" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract_67A57473F9E9186AFE14DED777BDEB3F" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC" xlink:to="lab_us-gaap_StatementEquityComponentsAxis_F643F20E5DD693154CF3DED777BD15AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9" xlink:to="lab_us-gaap_EquityComponentDomain_F969D82A4648E61E6946DED777BD3CE9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B_terseLabel_en-US" xlink:label="lab_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parent [Member]</link:label>
    <link:label id="lab_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B_label_en-US" xlink:label="lab_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentMember" xlink:label="loc_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B" xlink:to="lab_us-gaap_ParentMember_F47F69BFDA5E9CDC1673DED777BD359B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cumulative Distributions</link:label>
    <link:label id="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3_label_en-US" xlink:label="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Distributions in Excess of Net Income [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3" xlink:to="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember_D33481D8AA4763122B92DED777BD9BF3" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A_verboseLabel_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-Controlling Interests</link:label>
    <link:label id="lab_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="loc_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A" xlink:to="lab_us-gaap_NoncontrollingInterestMember_0E174BD2356971D0D46BDED777BD6D7A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributions declared, per share</link:label>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared_9BEF781772B6CC99185EDED777BD696F" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_3CD870DF75BA919E41C8B714266B6C0A_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract_3CD870DF75BA919E41C8B714266B6C0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_3CD870DF75BA919E41C8B714266B6C0A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3CD870DF75BA919E41C8B714266B6C0A" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract_3CD870DF75BA919E41C8B714266B6C0A" xlink:type="arc" />
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270_verboseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract_4ADE8B734685F249D27EB714266B8270" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capitalized interest</link:label>
    <link:label id="lab_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F_label_en-US" xlink:label="lab_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Capitalized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaidCapitalized" xlink:label="loc_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F" xlink:to="lab_us-gaap_InterestPaidCapitalized_42C10CD628AD8D582C64B714266BC90F" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48_terseLabel_en-US" xlink:label="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred gain debt</link:label>
    <link:label id="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48_label_en-US" xlink:label="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">deferred gain debt</link:label>
    <link:label id="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48_documentation_en-US" xlink:label="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">deferred gain debt</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredGainDebt" xlink:label="loc_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:to="lab_bdn_DeferredGainDebt_BB2B82981A7006C227B7B714266BAD48" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_B81C14FF3AC1F767F4BBDED777D18CC3_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_B81C14FF3AC1F767F4BBDED777D18CC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_B81C14FF3AC1F767F4BBDED777D18CC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_B81C14FF3AC1F767F4BBDED777D18CC3" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_B81C14FF3AC1F767F4BBDED777D18CC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_2636F3C50502BE7635E4DED777D1DC21" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_37AAF32630A4D1D38E93DED77781D980_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_37AAF32630A4D1D38E93DED77781D980" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_37AAF32630A4D1D38E93DED77781D980" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract_37AAF32630A4D1D38E93DED77781D980" xlink:to="lab_us-gaap_DebtDisclosureAbstract_37AAF32630A4D1D38E93DED77781D980" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfExtinguishmentOfDebtTable" xlink:label="loc_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F" xlink:to="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTable_C908060607B62B035F3CDED777818C4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Axis]</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF" xlink:to="lab_us-gaap_ExtinguishmentOfDebtAxis_6F3B7A452D02AAC7D4CCDED7778185AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E" xlink:to="lab_us-gaap_ExtinguishmentOfDebtTypeDomain_81ADD99CA962DB5B5ED5DED77781E59E" xlink:type="arc" />
    <link:label id="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE_verboseLabel_en-US" xlink:label="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2012 5.750% Notes [Member]</link:label>
    <link:label id="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE_label_en-US" xlink:label="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes Due2012 [Member]</link:label>
    <link:label id="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE_documentation_en-US" xlink:label="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Notes Due2012.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeniorNotesDue2012Member" xlink:label="loc_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:to="lab_bdn_SeniorNotesDue2012Member_CC4D81A412F47AA582D6DED777814FAE" xlink:type="arc" />
    <link:label id="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6_terseLabel_en-US" xlink:label="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014 5.400% Notes</link:label>
    <link:label id="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6_label_en-US" xlink:label="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior notes 5.400 Percent due 2014 [Member]</link:label>
    <link:label id="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6_documentation_en-US" xlink:label="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior notes 5.400 Percent due 2014 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeniorNotes5400PercentDue2014Member" xlink:label="loc_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:to="lab_bdn_SeniorNotes5400PercentDue2014Member_A9FB032D4B8C7054B3E6DED7778196E6" xlink:type="arc" />
    <link:label id="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0_verboseLabel_en-US" xlink:label="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2015 7.500% Notes [Member]</link:label>
    <link:label id="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0_label_en-US" xlink:label="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes Due2015 [Member]</link:label>
    <link:label id="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0_documentation_en-US" xlink:label="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Notes Due2015.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeniorNotesDue2015Member" xlink:label="loc_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:to="lab_bdn_SeniorNotesDue2015Member_8E5F19B29B4AA9C3EDEEDED7778177D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6_terseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Line Items]</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtLineItems" xlink:label="loc_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6" xlink:to="lab_us-gaap_ExtinguishmentOfDebtLineItems_ECFDFE7A5C99F30134F9DED777813CB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11_verboseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of principal payments of debt obligations</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtDisclosuresAbstract" xlink:label="loc_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11" xlink:to="lab_us-gaap_ExtinguishmentOfDebtDisclosuresAbstract_85A228FFDCC2919B8BD5DED777810F11" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE_verboseLabel_en-US" xlink:label="lab_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Repurchase Amount</link:label>
    <link:label id="lab_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE_label_en-US" xlink:label="lab_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Early Repayment of Senior Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarlyRepaymentOfSeniorDebt" xlink:label="loc_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE" xlink:to="lab_us-gaap_EarlyRepaymentOfSeniorDebt_218D1A4E187CD25926E6DED77781BCEE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207_verboseLabel_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Principal</link:label>
    <link:label id="lab_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207_label_en-US" xlink:label="lab_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extinguishment of Debt, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207" xlink:to="lab_us-gaap_ExtinguishmentOfDebtAmount_9587B424F3C0DD738F71DED77781F207" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC_negatedLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loss</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Extinguishment of Debt, before Write off of Deferred Debt Issuance Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost_47D4F5D74F959256EBF0DED7778104DC" xlink:type="arc" />
    <link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C_verboseLabel_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Financing Amortization</link:label>
    <link:label id="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C_label_en-US" xlink:label="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write off of Deferred Debt Issuance Cost</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C" xlink:to="lab_us-gaap_WriteOffOfDeferredDebtIssuanceCost_F3C4B82274B6A5EDA5C0DED777816C6C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument stated interest rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_9D833DDE745F4FF8F153DED777810853" xlink:type="arc" />
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4_verboseLabel_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4_label_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Common Partnership Unit [Table Text Block]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4_documentation_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings per common partnership unit table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EarningsPerCommonPartnershipUnitTableTextBlock" xlink:label="loc_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:to="lab_bdn_EarningsPerCommonPartnershipUnitTableTextBlock_D7FBA3FDEF7415054AC6DED776E1CCA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">DEFERRED COSTS</link:label>
    <link:label id="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539_label_en-US" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539" xlink:to="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_AF7B37B0B6D1DAE1539EDED776FF5539" xlink:type="arc" />
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6_verboseLabel_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6_label_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings per Common Partnership Unit [Abstract]</link:label>
    <link:label id="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6_documentation_en-US" xlink:label="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Earnings per common partnership unit Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EarningsPerCommonPartnershipUnitAbstract" xlink:label="loc_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:to="lab_bdn_EarningsPerCommonPartnershipUnitAbstract_1ED2EA6B1376017420E2BD0F1654FEE6" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAbstract_B77627C079C39720A1EBBD0F1654BF71_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAbstract_B77627C079C39720A1EBBD0F1654BF71" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Numerator</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="loc_us-gaap_NetIncomeLossAbstract_B77627C079C39720A1EBBD0F1654BF71" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAbstract_B77627C079C39720A1EBBD0F1654BF71" xlink:to="lab_us-gaap_NetIncomeLossAbstract_B77627C079C39720A1EBBD0F1654BF71" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_5824B8013343B2461CD1BD0F16543CB1_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_5824B8013343B2461CD1BD0F16543CB1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_5824B8013343B2461CD1BD0F16543CB1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_5824B8013343B2461CD1BD0F16543CB1" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_5824B8013343B2461CD1BD0F16543CB1" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012_verboseLabel_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations, Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012_label_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted" xlink:label="loc_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:to="lab_bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_8247BAEBE59373D7BB44BD0F16556012" xlink:type="arc" />
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3_negatedLabel_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders/unitholders, Basic</link:label>
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3_label_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders</link:label>
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3_documentation_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountAllocatedToUnvestedRestrictedShareholders" xlink:label="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:to="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_5265FC392B3E33C7848EBD0F1655EAC3" xlink:type="arc" />
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596_negatedTerseLabel_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amount allocable to unvested restricted unitholders, Diluted</link:label>
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596_label_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders, Diluted</link:label>
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596_documentation_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders, Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted" xlink:label="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:to="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_35CC1038EFE8FACF98FBBD0F16553596" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Preferred share/unit dividends, Basic</link:label>
    <link:label id="lab_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE_label_en-US" xlink:label="lab_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Preferred Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="loc_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE" xlink:to="lab_us-gaap_DividendsPreferredStock_6315B4975097E654E113BD0F1655BBBE" xlink:type="arc" />
    <link:label id="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620_negatedLabel_en-US" xlink:label="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Preferred share/unit dividends, Diluted</link:label>
    <link:label id="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620_label_en-US" xlink:label="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Dividends, Diluted</link:label>
    <link:label id="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620_documentation_en-US" xlink:label="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred stock dividends, Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PreferredStockDividendsDiluted" xlink:label="loc_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:to="lab_bdn_PreferredStockDividendsDiluted_57DE03CAEC3648982E3DBD0F1655C620" xlink:type="arc" />
    <link:label id="lab_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE_negatedLabel_en-US" xlink:label="lab_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Redemption Premium, Basic</link:label>
    <link:label id="lab_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE_label_en-US" xlink:label="lab_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redemption Premium</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RedemptionPremium" xlink:label="loc_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE" xlink:to="lab_us-gaap_RedemptionPremium_96CD179D554202D8A112BD0F1655D0BE" xlink:type="arc" />
    <link:label id="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831_negatedTerseLabel_en-US" xlink:label="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Redemption Premium, Diluted</link:label>
    <link:label id="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831_label_en-US" xlink:label="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redemption Premium, Diluted</link:label>
    <link:label id="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831_documentation_en-US" xlink:label="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Redemption Premium, Diluted</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RedemptionPremiumDiluted" xlink:label="loc_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:to="lab_bdn_RedemptionPremiumDiluted_42F28BB0EE78200D4390BD0F1655E831" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9_totalLabel_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations available to common unitholders, Basic</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9_label_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Basic</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Basic.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" xlink:label="loc_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:to="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_DE1777D8965924CE4FD5BD0F165587A9" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB_totalLabel_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations available to common unit holders, Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB_label_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted" xlink:label="loc_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:to="lab_bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_BAE9411DA425BE03C786BD0F1655ABDB" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_E41BB9AD4B1BFC255CE7BD0F1655B4F5_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_E41BB9AD4B1BFC255CE7BD0F1655B4F5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common unitholders</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_E41BB9AD4B1BFC255CE7BD0F1655B4F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_E41BB9AD4B1BFC255CE7BD0F1655B4F5" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_E41BB9AD4B1BFC255CE7BD0F1655B4F5" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D_verboseLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common unitholders, Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D_label_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_4CBC687A2ED8C36FF2BABD0F1655E38D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_9C840A863BAAA4EB7CB8BD0F165568CD" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) available to common shareholders/unitholders, Diluted</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_EA362D2868C459D88670BD0F1655BD5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Denominator</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2214B9F6CCB7D50E7887BD0F1656549A" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average units outstanding, Basic</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_55D82751C0476C9FD8E5BD0F165685A1" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Share-based Payment Arrangements</link:label>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Share-based Payment Arrangements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_27D054C20D0BF491CC6BBD0F1656CEA8" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted-average shares/units outstanding, Diluted</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_E28EBEA2A62DFC9F4B33BD0F16560C89" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income per Common Partnership Unit:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD" xlink:to="lab_us-gaap_EarningsPerShareAbstract_5282B776F1BB99DE1EDFBD0F1656ECFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9_netLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Income (Loss) from continuing operations attributable to common shareholders/unitholders, Basic</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Basic Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_94CD5C90F437B5AA9577BD0F165656D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA_netLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Income (Loss) from continuing operations attributable to common shareholders/unitholders, Diluted</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Diluted Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_95785D7109D7EEFFD296BD0F165692DA" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common shareholders/unitholders, Basic</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_41BAC05994E37BEE0E81BD0F1656AE57" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common shareholders, Diluted</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_68E894604734550F747CBD0F165665EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to common shareholders/unitholders, Basic</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820" xlink:to="lab_us-gaap_EarningsPerShareBasic_C5E22D5E4125488A1AC0BD0F1656A820" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to common shareholders/unitholders, Diluted</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E" xlink:to="lab_us-gaap_EarningsPerShareDiluted_3DF6BB68DEE3511D6208BD0F1656F55E" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409_terseLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (Loss) From Discontinued Operations Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409_label_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) From Discontinued Operations Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income (loss) from discontinued operations.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsDiluted" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_46780071E310B080937DBD0F16573409" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386" xlink:to="lab_us-gaap_DebtInstrumentTable_EFAB39A76956DE4F9956DED777130386" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_1CCE27A31C3C778FA0C9DED777136EE4" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_38EE992F065746DE474BDED7771338DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891_terseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unsecured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891_label_en-US" xlink:label="lab_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891" xlink:to="lab_us-gaap_UnsecuredDebtMember_FBB8F297899D44A84051DED77713A891" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C" xlink:to="lab_us-gaap_SecuredDebtMember_83EE52866121D62B0291DED77713E13C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0" xlink:to="lab_us-gaap_DebtInstrumentAxis_304FDA94FB86A124C96ADED77713B8D0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C" xlink:to="lab_us-gaap_DebtInstrumentNameDomain_C3035096D880C5B98E31DED77713C30C" xlink:type="arc" />
    <link:label id="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA_terseLabel_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA_label_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA_documentation_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SevenYearTermLoanMember" xlink:label="loc_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:to="lab_bdn_SevenYearTermLoanMember_E22811B7C84B40536F11DED77713ACAA" xlink:type="arc" />
    <link:label id="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788_terseLabel_en-US" xlink:label="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bank Term Loan And The Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788_label_en-US" xlink:label="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Term Loan And The Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788_documentation_en-US" xlink:label="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Term Loan and the Credit Facility Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BankTermLoanAndCreditFacilityMember" xlink:label="loc_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:to="lab_bdn_BankTermLoanAndCreditFacilityMember_08AC6EE8A60968C777C8DED777138788" xlink:type="arc" />
    <link:label id="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57_terseLabel_en-US" xlink:label="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Three and Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57_label_en-US" xlink:label="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Three and Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57_documentation_en-US" xlink:label="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Three and Four Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ThreeAndFourYearTermLoanMember" xlink:label="loc_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:to="lab_bdn_ThreeAndFourYearTermLoanMember_A0A59B48872FB67E65DEDED777135D57" xlink:type="arc" />
    <link:label id="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072_terseLabel_en-US" xlink:label="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Axis]</link:label>
    <link:label id="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072_label_en-US" xlink:label="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Axis]</link:label>
    <link:label id="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072_documentation_en-US" xlink:label="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Axis]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_InterestRateTypeAxis" xlink:label="loc_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:to="lab_bdn_InterestRateTypeAxis_9ED708110C995E906126DED777135072" xlink:type="arc" />
    <link:label id="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A_terseLabel_en-US" xlink:label="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Domain]</link:label>
    <link:label id="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A_label_en-US" xlink:label="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Domain]</link:label>
    <link:label id="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A_documentation_en-US" xlink:label="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Rate Type [Domain]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_InterestRateTypeDomain" xlink:label="loc_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:to="lab_bdn_InterestRateTypeDomain_02EDD6FFFE12758E6EF6DED77713CA3A" xlink:type="arc" />
    <link:label id="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C_terseLabel_en-US" xlink:label="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal Funds Rate [Member]</link:label>
    <link:label id="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C_label_en-US" xlink:label="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Funds Rate [Member]</link:label>
    <link:label id="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C_documentation_en-US" xlink:label="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Federal Funds Rate [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FederalFundsRateMember" xlink:label="loc_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:to="lab_bdn_FederalFundsRateMember_BAF5F154B02CF6F457A9DED77713B75C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53" xlink:to="lab_us-gaap_DebtInstrumentLineItems_BB030B12172530849FD8DED77713CD53" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Weighted Average Interest Rate</link:label>
    <link:label id="lab_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09_label_en-US" xlink:label="lab_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Weighted Average Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongtermDebtWeightedAverageInterestRate" xlink:label="loc_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09" xlink:to="lab_us-gaap_LongtermDebtWeightedAverageInterestRate_885DA17057939C286475DED777131D09" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Interest Rate During Period</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Interest Rate During Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2" xlink:to="lab_us-gaap_LineOfCreditFacilityInterestRateDuringPeriod_05A4DAA49EC82560EA80DED777137DB2" xlink:type="arc" />
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079_terseLabel_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in year one</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079_label_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year One</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079_documentation_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year One</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DecliningPrepaymentPenaltyInYearOne" xlink:label="loc_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:to="lab_bdn_DecliningPrepaymentPenaltyInYearOne_BF2ECAAFC54703464ABCDED777133079" xlink:type="arc" />
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C_terseLabel_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in year two</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C_label_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year Two</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C_documentation_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year Two</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DecliningPrepaymentPenaltyInYearTwo" xlink:label="loc_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:to="lab_bdn_DecliningPrepaymentPenaltyInYearTwo_B293FE8FD27FD9FF3E5EDED77713AF1C" xlink:type="arc" />
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E_terseLabel_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in year three</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E_label_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year Three</link:label>
    <link:label id="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E_documentation_en-US" xlink:label="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Declining prepayment penalty in Year Three</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DecliningPrepaymentPenaltyInYearThree" xlink:label="loc_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:to="lab_bdn_DecliningPrepaymentPenaltyInYearThree_6F45662B46797BDB934CDED77713D65E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, basis spread on variable rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_4C027ED0FAD902D4D9BCDED77713EB74" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Average Fixed Interest Rate</link:label>
    <link:label id="lab_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF_label_en-US" xlink:label="lab_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Average Fixed Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeAverageFixedInterestRate" xlink:label="loc_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF" xlink:to="lab_us-gaap_DerivativeAverageFixedInterestRate_A4BEA1EB77F0464541C4DED7771381CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E_terseLabel_en-US" xlink:label="lab_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional amount of interest rate cash flow hedge derivatives</link:label>
    <link:label id="lab_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E_label_en-US" xlink:label="lab_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notional Amount of Interest Rate Cash Flow Hedge Derivatives</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives" xlink:label="loc_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E" xlink:to="lab_us-gaap_NotionalAmountOfInterestRateCashFlowHedgeDerivatives_3557FCFFFF4CDCEB4291DED77713278E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, lower fixed interest rate range</link:label>
    <link:label id="lab_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3_label_en-US" xlink:label="lab_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Lower Fixed Interest Rate Range</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLowerFixedInterestRateRange" xlink:label="loc_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3" xlink:to="lab_us-gaap_DerivativeLowerFixedInterestRateRange_21B467C6B1DF01004559DED7771364D3" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, higher fixed interest rate range</link:label>
    <link:label id="lab_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA_label_en-US" xlink:label="lab_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Higher Fixed Interest Rate Range</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeHigherFixedInterestRateRange" xlink:label="loc_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA" xlink:to="lab_us-gaap_DerivativeHigherFixedInterestRateRange_87F214F828743B8E4A82DED777138FBA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, lower remaining maturity range</link:label>
    <link:label id="lab_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9_label_en-US" xlink:label="lab_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Lower Remaining Maturity Range</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeLowerRemainingMaturityRange1" xlink:label="loc_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9" xlink:to="lab_us-gaap_DerivativeLowerRemainingMaturityRange1_2D31ED28BAC7E77BD4A6DED7771384B9" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, higher remaining maturity range</link:label>
    <link:label id="lab_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A_label_en-US" xlink:label="lab_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Higher Remaining Maturity Range</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeHigherRemainingMaturityRange1" xlink:label="loc_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A" xlink:to="lab_us-gaap_DerivativeHigherRemainingMaturityRange1_71AC61600C3A84F7926BDED77713065A" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8E542B0671DCA85063FEDED77777C31C_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8E542B0671DCA85063FEDED77777C31C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments and Joint Ventures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8E542B0671DCA85063FEDED77777C31C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8E542B0671DCA85063FEDED77777C31C" xlink:to="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_8E542B0671DCA85063FEDED77777C31C" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13_verboseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial position of unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information [Table Text Block]</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity method investment summarized financial information table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationTableTextBlock_C5B3997560E037B25192DED777777E13" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312_verboseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of results of operations of unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Income Statement [Table Text Block]</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity method investment summarized financial information income statement table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTableTextBlock_64D6B63CBFD1F287B831DED77777D312" xlink:type="arc" />
    <link:label id="lab_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E_label_en-US" xlink:label="lab_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment in Unconsolidated Ventures (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E_documentation_en-US" xlink:label="lab_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Investment in Unconsolidated Ventures.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract" xlink:label="loc_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E" xlink:to="lab_bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_78C42A11400190CB4E6CBD0ED472560E" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company's share of equity (Company's basis)</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D" xlink:to="lab_us-gaap_EquityMethodInvestments_73693C84BCA6608DE236BD0ED472647D" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87_label_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of unconsolidated investments in Real Estate Ventures</link:label>
    <link:label id="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87_documentation_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of unconsolidated investments in Real Estate Ventures.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures" xlink:label="loc_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:to="lab_bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_A0809CD413020CC33C2FBD0ED4728E87" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns 51 office buildings</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293_label_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns buildings</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293_documentation_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns buildings.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfRealEstateVenturesThatOwnsBuildings" xlink:label="loc_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:to="lab_bdn_NumberOfRealEstateVenturesThatOwnsBuildings_8C26ED426638105BCC55BD0ED4721293" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of office buildings owned by 15 Real Estate Ventures</link:label>
    <link:label id="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B_label_en-US" xlink:label="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of office buildings in Real Estate Ventures</link:label>
    <link:label id="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B_documentation_en-US" xlink:label="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of office buildings in Real Estate Ventures.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfOfficeBuildingsInRealEstateVentures" xlink:label="loc_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:to="lab_bdn_NumberOfOfficeBuildingsInRealEstateVentures_774A926C000405AA5E8BBD0ED472516B" xlink:type="arc" />
    <link:label id="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553_verboseLabel_en-US" xlink:label="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net rentable square feet of 51 office buildings owned the 15 Real Estate Ventures</link:label>
    <link:label id="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553_label_en-US" xlink:label="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Approximate Area Of Office Buildings</link:label>
    <link:label id="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553_documentation_en-US" xlink:label="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate approximate area of office buildings.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AggregateApproximateAreaOfOfficeBuildings" xlink:label="loc_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:to="lab_bdn_AggregateApproximateAreaOfOfficeBuildings_2DA1C758AA931AD6B52CBD0ED4779553" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8_terseLabel_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns undeveloped land</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8_label_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns undeveloped land</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8_documentation_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of real estate ventures that owns undeveloped land</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand" xlink:label="loc_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:to="lab_bdn_NumberOfRealEstateVenturesThatOwnsUndevelopedLand_32EF19100A0B56956B4ABD0ED477AEE8" xlink:type="arc" />
    <link:label id="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_62D06BE170FFDA1ACCBEBD0ED4770FFD_verboseLabel_en-US" xlink:label="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_62D06BE170FFDA1ACCBEBD0ED4770FFD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Area of undeveloped parcels of land (in acres) owned by a Real Estate Venture</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand" xlink:label="loc_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_62D06BE170FFDA1ACCBEBD0ED4770FFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_62D06BE170FFDA1ACCBEBD0ED4770FFD" xlink:to="lab_bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelsOfLand_62D06BE170FFDA1ACCBEBD0ED4770FFD" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431_terseLabel_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of real estate ventures developed hotel property</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431_label_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of real estate ventures developed hotel property</link:label>
    <link:label id="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431_documentation_en-US" xlink:label="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of real estate ventures developed hotel property</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfRealEstateVenturesDevelopedHotelProperty" xlink:label="loc_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:to="lab_bdn_NumberOfRealEstateVenturesDevelopedHotelProperty_AB999905D049DFE7D681BD0ED4784431" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of rooms in a hotel property developed by one Real Estate Venture</link:label>
    <link:label id="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B_label_en-US" xlink:label="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Rooms Contain In One Real Estate Venture Developed As Hotel Property</link:label>
    <link:label id="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B_documentation_en-US" xlink:label="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of rooms contain in one real estate venture developed as Hotel Property.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty" xlink:label="loc_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:to="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_0578A36C4956AE5B6A8EBD0ED478F44B" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD_verboseLabel_en-US" xlink:label="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum ownership interest in unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD_label_en-US" xlink:label="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Percentage Of Unconsolidated Equity Method Investment Ownership</link:label>
    <link:label id="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD_documentation_en-US" xlink:label="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum percentage of unconsolidated equity method investment ownership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:label="loc_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:to="lab_bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_1FBB9359311F6B7AFC15BD0ED478A5FD" xlink:type="arc" />
    <link:label id="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4_verboseLabel_en-US" xlink:label="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum ownership interest in unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4_label_en-US" xlink:label="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Percentage Of Unconsolidated Equity Method Investment Ownership</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4_documentation_en-US" xlink:label="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum Percentage of Unconsolidated Equity Method Investment Ownership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:label="loc_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:to="lab_bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_C8AD2B5324BFB1B688AABD0ED478F5D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_6C2DFABAF5B8E72E5B83DED77763CCBD_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract_6C2DFABAF5B8E72E5B83DED77763CCBD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_6C2DFABAF5B8E72E5B83DED77763CCBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_6C2DFABAF5B8E72E5B83DED77763CCBD" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract_6C2DFABAF5B8E72E5B83DED77763CCBD" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">TAX CREDIT TRANSACTIONS</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock_827CED78AE638BC1F535DED777634419" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">REAL ESTATE INVESTMENTS</link:label>
    <link:label id="lab_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD_label_en-US" xlink:label="lab_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateDisclosureTextBlock" xlink:label="loc_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD" xlink:to="lab_us-gaap_RealEstateDisclosureTextBlock_1907F9F6B8BE2C907E6DDED777BD05AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward [Table]</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardTable" xlink:label="loc_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65" xlink:to="lab_us-gaap_TaxCreditCarryforwardTable_FE91E8870617E0CB4568ADA028AD3D65" xlink:type="arc" />
    <link:label id="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A_verboseLabel_en-US" xlink:label="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">USB [Member]</link:label>
    <link:label id="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A_label_en-US" xlink:label="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U S B [Member]</link:label>
    <link:label id="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A_documentation_en-US" xlink:label="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">USB Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_USBMember" xlink:label="loc_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:to="lab_bdn_USBMember_D1E622CB0B84710DCD35ADA028ADB89A" xlink:type="arc" />
    <link:label id="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20_terseLabel_en-US" xlink:label="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions [Axis]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20_label_en-US" xlink:label="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions [Axis]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20_documentation_en-US" xlink:label="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions Axis.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TaxCreditTransactionsAxis" xlink:label="loc_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:to="lab_bdn_TaxCreditTransactionsAxis_EC3FE8671058BDE18D18ADA028ADBE20" xlink:type="arc" />
    <link:label id="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806_terseLabel_en-US" xlink:label="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions [Domain]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806_label_en-US" xlink:label="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions [Domain]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806_documentation_en-US" xlink:label="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions Domain.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TaxCreditTransactionsDomain" xlink:label="loc_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:to="lab_bdn_TaxCreditTransactionsDomain_ADFA51D6AD65FB89AE64ADA028ADF806" xlink:type="arc" />
    <link:label id="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C_verboseLabel_en-US" xlink:label="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Historic Tax Credit Transaction [Member]</link:label>
    <link:label id="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C_label_en-US" xlink:label="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Historic Tax Credit Transaction [Member]</link:label>
    <link:label id="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C_documentation_en-US" xlink:label="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Historic Tax Credit Transaction.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_HistoricTaxCreditTransactionMember" xlink:label="loc_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:to="lab_bdn_HistoricTaxCreditTransactionMember_41E30BCDD935B0E3DB7AADA028ADAD6C" xlink:type="arc" />
    <link:label id="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1_verboseLabel_en-US" xlink:label="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New Markets Tax Credit Transaction [Member]</link:label>
    <link:label id="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1_label_en-US" xlink:label="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Markets Tax Credit Transaction [Member]</link:label>
    <link:label id="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1_documentation_en-US" xlink:label="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Markets Tax Credit Transaction.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NewMarketsTaxCreditTransactionMember" xlink:label="loc_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:to="lab_bdn_NewMarketsTaxCreditTransactionMember_8C4B956E0CE0FCA01EDAADA028ADF0E1" xlink:type="arc" />
    <link:label id="lab_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward [Line Items]</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardLineItems" xlink:label="loc_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8" xlink:to="lab_us-gaap_TaxCreditCarryforwardLineItems_0E3497BA624FD059BB72ADA028AD85D8" xlink:type="arc" />
    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A_terseLabel_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A_label_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A_documentation_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TaxCreditTransactionsTextualsAbstract" xlink:label="loc_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:to="lab_bdn_TaxCreditTransactionsTextualsAbstract_F4BD240374506F4746DDADA028AD136A" xlink:type="arc" />
    <link:label id="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3_verboseLabel_en-US" xlink:label="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Area of IRS Philadelphia Campus building (in square foot)</link:label>
    <link:label id="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3_label_en-US" xlink:label="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area Of Irs Campus Building</link:label>
    <link:label id="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3_documentation_en-US" xlink:label="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Area Of Irs Campus Building.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AreaOfIrsCampusBuilding" xlink:label="loc_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:to="lab_bdn_AreaOfIrsCampusBuilding_CE940C5F0A159BA47EBBADA028AD53D3" xlink:type="arc" />
    <link:label id="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of building leased to IRS</link:label>
    <link:label id="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C_label_en-US" xlink:label="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Building Leased To Irs</link:label>
    <link:label id="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C_documentation_en-US" xlink:label="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Building Leased To IRS.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PercentageOfBuildingLeasedToIrs" xlink:label="loc_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:to="lab_bdn_PercentageOfBuildingLeasedToIrs_7A2065C3FE5C77E5A335ADA028AD5A4C" xlink:type="arc" />
    <link:label id="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE_verboseLabel_en-US" xlink:label="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Agreed contribution in project cost by USB</link:label>
    <link:label id="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE_label_en-US" xlink:label="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agreed contribution in project cost</link:label>
    <link:label id="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE_documentation_en-US" xlink:label="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agreed contribution in project cost.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AgreedContributionInProjectCost" xlink:label="loc_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:to="lab_bdn_AgreedContributionInProjectCost_61A9BA71052E98F4074EADA028ADBFAE" xlink:type="arc" />
    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B_terseLabel_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount received in advance for project cost</link:label>
    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B_label_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contributions From Historic Tax Credit Transaction Net Of Deferred Costs</link:label>
    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B_documentation_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contributions from historic tax credit transaction, net of deferred costs.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts" xlink:label="loc_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:to="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_987468EC146915E3C4D4ADA028AD635B" xlink:type="arc" />
    <link:label id="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C_verboseLabel_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount received from contribution</link:label>
    <link:label id="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C_label_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Received From Contribution</link:label>
    <link:label id="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C_documentation_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount received from contribution.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountReceivedFromContribution" xlink:label="loc_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:to="lab_bdn_AmountReceivedFromContribution_4CF91B3A1C4E6CEBB3E6ADA028ADAA2C" xlink:type="arc" />
    <link:label id="lab_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32_verboseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tax credit conditions</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward, Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TaxCreditCarryforwardDescription" xlink:label="loc_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32" xlink:to="lab_us-gaap_TaxCreditCarryforwardDescription_DE41D2CBAFEBBD3D642BADA028ADFF32" xlink:type="arc" />
    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of tax credit recapture</link:label>
    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255_label_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Tax Credit Recapture</link:label>
    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255_documentation_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of tax credit recapture.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PercentageOfTaxCreditRecapture" xlink:label="loc_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:to="lab_bdn_PercentageOfTaxCreditRecapture_CD0CC20E2834C0D68324ADA028AD2255" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">USB contributions presented within deferred income</link:label>
    <link:label id="lab_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A_label_en-US" xlink:label="lab_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="loc_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A" xlink:to="lab_us-gaap_DeferredRevenue_543949FEB9E65DA19D2BADA028AD9F5A" xlink:type="arc" />
    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25_terseLabel_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest</link:label>
    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25_label_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest</link:label>
    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25_documentation_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ContributionAllocatedInNonControllingInterest" xlink:label="loc_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:to="lab_bdn_ContributionAllocatedInNonControllingInterest_356EFCD0C653E5C18DD4ADA028AD6E25" xlink:type="arc" />
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199_verboseLabel_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recognition of cash received as revenue net of allocated expenses on or after September 2011, period</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199_label_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199_documentation_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses" xlink:label="loc_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:to="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_53AC99BCA8532394A2E6ADA028AD6199" xlink:type="arc" />
    <link:label id="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F_verboseLabel_en-US" xlink:label="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash received as revenue</link:label>
    <link:label id="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F_label_en-US" xlink:label="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Received As Revenue</link:label>
    <link:label id="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F_documentation_en-US" xlink:label="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash received as revenue.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CashReceivedAsRevenue" xlink:label="loc_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:to="lab_bdn_CashReceivedAsRevenue_E65CA4088BD7FAF5C9A1ADA028ADD63F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Allocated expenses within other income (expense)</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpense_1673553765B7E5F246ADADA028ADA980" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred transaction costs</link:label>
    <link:label id="lab_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850_label_en-US" xlink:label="lab_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCosts" xlink:label="loc_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850" xlink:to="lab_us-gaap_DeferredCosts_5497049DA50F66D8C04EADA028AD6850" xlink:type="arc" />
    <link:label id="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B_verboseLabel_en-US" xlink:label="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rate of return on noncontrolling interest expected</link:label>
    <link:label id="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B_label_en-US" xlink:label="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rate Of Return On Noncontrolling Interest</link:label>
    <link:label id="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B_documentation_en-US" xlink:label="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate Of Return On Noncontrolling Interest</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RateOfReturnOnNoncontrollingInterest" xlink:label="loc_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:to="lab_bdn_RateOfReturnOnNoncontrollingInterest_6ED9465FD6AEFD0A361FADA028AD2A3B" xlink:type="arc" />
    <link:label id="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043_verboseLabel_en-US" xlink:label="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accretion of non-controlling interest liability</link:label>
    <link:label id="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043_label_en-US" xlink:label="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accretion Of Non Controlling Interest Liability</link:label>
    <link:label id="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043_documentation_en-US" xlink:label="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accretion of non controlling interest liability.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AccretionOfNonControllingInterestLiability" xlink:label="loc_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:to="lab_bdn_AccretionOfNonControllingInterestLiability_906797767F933BE2143EADA028ADE043" xlink:type="arc" />
    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539_verboseLabel_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected Benefit From a Qualified NMTC Program</link:label>
    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539_label_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected benefit from qualified program</link:label>
    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539_documentation_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected benefit from qualified program.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ExpectedBenefitFromQualifiedProgram" xlink:label="loc_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:to="lab_bdn_ExpectedBenefitFromQualifiedProgram_1F6AA12C480B607F8C6CADA028ADA539" xlink:type="arc" />
    <link:label id="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520_verboseLabel_en-US" xlink:label="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief</link:label>
    <link:label id="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520_label_en-US" xlink:label="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief</link:label>
    <link:label id="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520_documentation_en-US" xlink:label="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief" xlink:label="loc_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:to="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_36AD934A274BEE9F73FFADA028AD6520" xlink:type="arc" />
    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of qualified investments</link:label>
    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364_label_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Qualified Investments</link:label>
    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364_documentation_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of qualified investments.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PercentageOfQualifiedInvestments" xlink:label="loc_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:to="lab_bdn_PercentageOfQualifiedInvestments_52247C52803351BC8875ADA028AD0364" xlink:type="arc" />
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F_terseLabel_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognition of cash received as revenue net of allocated expenses on or after September 2011, period in years</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F_label_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses, Period Credit Recapture in Years</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F_documentation_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses, Period Credit Recapture in Years</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears" xlink:label="loc_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:to="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_21A024C8C014FC4BA1F6ADA028AD479F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_01D8F5CD593616A7B5ABBD0F15332E16" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual [Axis]</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Bonus and Profit Sharing Plan by Title of Individual [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_A947961394D243493D37BD0F1533480C" xlink:type="arc" />
    <link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52_terseLabel_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of Individual with Relationship to Entity [Domain]</link:label>
    <link:label id="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52_label_en-US" xlink:label="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of Individual with Relationship to Entity [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52" xlink:to="lab_us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_4D1B8DE63269DC193E30BD0F15347C52" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7_verboseLabel_en-US" xlink:label="lab_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Executive Officer [Member]</link:label>
    <link:label id="lab_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7_label_en-US" xlink:label="lab_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Executive Officer [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExecutiveOfficerMember" xlink:label="loc_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7" xlink:to="lab_us-gaap_ExecutiveOfficerMember_DFD15963ABB2A9D2DB65BD0F15345DF7" xlink:type="arc" />
    <link:label id="lab_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C" xlink:to="lab_us-gaap_AwardTypeAxis_5DA25441E61E67291A67BD0F1534B23C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_B0930A7C11EDF7D469B3BD0F1534A731" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E_terseLabel_en-US" xlink:label="lab_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Option [Member]</link:label>
    <link:label id="lab_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E_label_en-US" xlink:label="lab_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Option [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionMember" xlink:label="loc_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E" xlink:to="lab_us-gaap_StockOptionMember_30CEA6FBF647CE59CBE6BD0F1534254E" xlink:type="arc" />
    <link:label id="lab_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119_verboseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted Share Awards [Member]</link:label>
    <link:label id="lab_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119_label_en-US" xlink:label="lab_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="loc_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119" xlink:to="lab_us-gaap_RestrictedStockMember_D535AAE894C95814D3D0BD0F1534D119" xlink:type="arc" />
    <link:label id="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F_verboseLabel_en-US" xlink:label="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted Performance Share Units Plan [Member]</link:label>
    <link:label id="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F_label_en-US" xlink:label="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Performance Share Units Plan [Member]</link:label>
    <link:label id="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F_documentation_en-US" xlink:label="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Performance Share Units Plan Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RestrictedPerformanceShareUnitsPlanMember" xlink:label="loc_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:to="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_F38FB01810AE13523867BD0F1534DC6F" xlink:type="arc" />
    <link:label id="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600_verboseLabel_en-US" xlink:label="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Employee Share Purchase Plan [Member]</link:label>
    <link:label id="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600_label_en-US" xlink:label="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Share Purchase Plan [Member]</link:label>
    <link:label id="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600_documentation_en-US" xlink:label="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employee Share Purchase Plan Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EmployeeSharePurchasePlanMember" xlink:label="loc_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:to="lab_bdn_EmployeeSharePurchasePlanMember_AFEEAC782F788C3C2F41BD0F1534E600" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3_verboseLabel_en-US" xlink:label="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Plan [Member]</link:label>
    <link:label id="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3_label_en-US" xlink:label="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Plan [Member]</link:label>
    <link:label id="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3_documentation_en-US" xlink:label="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Compensation Plan Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCompensationPlanMember" xlink:label="loc_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:to="lab_bdn_DeferredCompensationPlanMember_A3E5CAEDB3AB56A9CB73BD0F1534DFE3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_BF598BCBB0FCAF19AF4CBD0F1534DC3C" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award vesting term, maximum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Term, Maximum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Term, Maximum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_8581AE7A74D96CD96E08BD0F15352531" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share Based and Deferred Compensation (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0_label_en-US" xlink:label="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based and Deferred Compensation (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0_documentation_en-US" xlink:label="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based And Deferred Compensation Textuals Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedAndDeferredCompensationTextualsAbstract" xlink:label="loc_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:to="lab_bdn_ShareBasedAndDeferredCompensationTextualsAbstract_EEAB1628456CD250914DBD0F15351BE0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_1BC1222E855EA8AFD886BD0F15359566" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unvested options</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Stock Options Nonvested Number</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Stock Options Nonvested Number.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_DA07B6CBF798A23B335BBD0F1535F704" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unrecognized compensation expenses</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_F74A621DDDC513276264BD0F1535E81D" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B_verboseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average period over which options will be recognized</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_C2F48755BE6A8B77F4D1BD0F1535485B" xlink:type="arc" />
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation expense, capitalized</link:label>
    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F_label_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F" xlink:to="lab_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount_A9C7A8CD9F05DA27B99EBD0F1535D03F" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognized compensation expense awards nominal amounts capitalized</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Recognized compensation expense awards nominal amounts capitalized</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Recognized compensation expense awards nominal amounts capitalized</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardRecognizedCompensationExpenseAwardsNominalAmountsCapitalized_8BAE0A2C2C575E34105BBD0F1535C951" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award VestingPeriod1</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award VestingPeriod1</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingperiod1_A9757696594A35000BD9BD5F6CE67160" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167_verboseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Compensation expense recognized</link:label>
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167_label_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allocated Share-based Compensation Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_92F20373476780ADA538BD0F15351167" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Vesting Period, Minimum</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_BE323C29C0D5893BD5B6BD0F153585E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Aggregate share-based awards awarded to executives</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_F802BE266299FC5481EBBD0F1536D927" xlink:type="arc" />
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5_terseLabel_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement period index percentage, minimum</link:label>
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5_label_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement period index percentage, minimum</link:label>
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5_documentation_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Measurement period index percentage, minimum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MeasurementPeriodIndexPercentageMinimum" xlink:label="loc_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:to="lab_bdn_MeasurementPeriodIndexPercentageMinimum_9680A913D4F5792404AEBD0F1536CCE5" xlink:type="arc" />
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217_terseLabel_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement period index percentage remaining amount compared to total shareholder return of Real Estate Investment Trusts within proxy peer group</link:label>
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217_label_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement period index percentage remaining amount compared to total shareholder return of Real Estate Investment Trusts within proxy peer group</link:label>
    <link:label id="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217_documentation_en-US" xlink:label="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Measurement period index percentage remaining amount compared to total shareholder return of Real Estate Investment Trusts within proxy peer group</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup" xlink:label="loc_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:to="lab_bdn_MeasurementPeriodIndexPercentageRemainingAmountComparedToTotalShareholderReturnOfRealEstateInvestmentTrustsWithinProxyPeerGroup_8FCDEB96CDF0EE0BCAE3BD0F15360217" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Cliff Vesting, Minimum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Cliff Vesting After Grant Date, Minimum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Cliff Vesting, Minimum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardCliffVestingAfterGrantDateMinimum_79F04358D28229532636BD0F15363F22" xlink:type="arc" />
    <link:label id="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD_verboseLabel_en-US" xlink:label="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Voluntary termination of employment terms</link:label>
    <link:label id="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD_label_en-US" xlink:label="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Voluntary Termination Of Employment Terms</link:label>
    <link:label id="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD_documentation_en-US" xlink:label="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Voluntary termination of employment terms.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_VoluntaryTerminationOfEmploymentTerms" xlink:label="loc_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:to="lab_bdn_VoluntaryTerminationOfEmploymentTerms_2FB7356447F30F8036B7BD0F1536F1DD" xlink:type="arc" />
    <link:label id="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122_verboseLabel_en-US" xlink:label="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Age limit of voluntary termination of employment</link:label>
    <link:label id="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122_label_en-US" xlink:label="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Age Limit Of Voluntary Termination Of Employment</link:label>
    <link:label id="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122_documentation_en-US" xlink:label="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Age limit of voluntary termination of employment.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AgeLimitOfVoluntaryTerminationOfEmployment" xlink:label="loc_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:to="lab_bdn_AgeLimitOfVoluntaryTerminationOfEmployment_DC684D239EA2D1265049BD0F1536F122" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B_terseLabel_en-US" xlink:label="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of employees eligible for qualifying retirement</link:label>
    <link:label id="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B_label_en-US" xlink:label="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of employees eligible for qualifying retirement</link:label>
    <link:label id="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B_documentation_en-US" xlink:label="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of employees eligible for qualifying retirement</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfEmployeesEligibleForQualifyingRetirement" xlink:label="loc_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:to="lab_bdn_NumberOfEmployeesEligibleForQualifyingRetirement_FD0860E6E68239B824E4BD0F1536232B" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E_terseLabel_en-US" xlink:label="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of employees eligible for qualifying retirement</link:label>
    <link:label id="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E_label_en-US" xlink:label="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of employees achieving qualifying retirement for restricted shares</link:label>
    <link:label id="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E_documentation_en-US" xlink:label="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of employees achieving qualifying retirement for restricted shares</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares" xlink:label="loc_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:to="lab_bdn_NumberOfEmployeesAchievingQualifyingRetirementForRestrictedShares_9176EEDC2A9BB6634739BD0F1536BF4E" xlink:type="arc" />
    <link:label id="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217_terseLabel_en-US" xlink:label="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Service Period For Voluntary Termination</link:label>
    <link:label id="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217_label_en-US" xlink:label="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Service Period For Voluntary Termination</link:label>
    <link:label id="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217_documentation_en-US" xlink:label="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accumulated service period for voluntary termination.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AccumulatedServicePeriodForVoluntaryTermination" xlink:label="loc_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:to="lab_bdn_AccumulatedServicePeriodForVoluntaryTermination_074816C2B21195340353BD0F15361217" xlink:type="arc" />
    <link:label id="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996_verboseLabel_en-US" xlink:label="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum number of shares to be delivered at the end of the measurement period relative to the total shareholder return</link:label>
    <link:label id="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996_label_en-US" xlink:label="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Number Of Share To Be Delivered Upon Measurement Period Relative To Shareholder Return</link:label>
    <link:label id="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996_documentation_en-US" xlink:label="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum number of share to be delivered upon measurement period relative to shareholder return.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn" xlink:label="loc_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:to="lab_bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_7AB3A7B5BB4790AAD5D1BD0F15361996" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Delivered</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, shares are delivered</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, shares are delivered</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_7D2345C00354F459A41CBD0F1537E0B2" xlink:type="arc" />
    <link:label id="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4_verboseLabel_en-US" xlink:label="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum percentage of the participant's base units</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4_label_en-US" xlink:label="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Percentage Of Participants Base Units</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4_documentation_en-US" xlink:label="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum percentage of the participants base units.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MaximumPercentageOfParticipantsBaseUnits" xlink:label="loc_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:to="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_54D7E3AA32C348AADDBCBD0F1537ADA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value of awards on the grant date</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_33053199CAF59F0A0683BD0F1537048E" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share purchases made by employees under ESPP</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Terms Of Purchase Common Shares Under Espp</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation arrangement by share based payment award terms of purchase common shares under ESPP.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_B59F062D9F3CCFEAC0C7BD0F15378A07" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share purchases made by employees under ESPP, Percentage</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Terms Of Purchase Common Shares Under Employee Stock Purchase Plan, Percentage</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Terms Of Purchase Common Shares Under Employee Stock Purchase Plan, Percentage</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_EDD223C7E8777B91E612BD0F1537E48C" xlink:type="arc" />
    <link:label id="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of plan contribution</link:label>
    <link:label id="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373_label_en-US" xlink:label="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Plan Contribution</link:label>
    <link:label id="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373_documentation_en-US" xlink:label="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of plan contribution.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PercentageOfPlanContribution" xlink:label="loc_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:to="lab_bdn_PercentageOfPlanContribution_80DF4FD73427274A5B46BD0F1537A373" xlink:type="arc" />
    <link:label id="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F_verboseLabel_en-US" xlink:label="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount of participant contribution</link:label>
    <link:label id="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F_label_en-US" xlink:label="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Of Participant Contribution</link:label>
    <link:label id="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F_documentation_en-US" xlink:label="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of participant contribution.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountOfParticipantContribution" xlink:label="loc_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:to="lab_bdn_AmountOfParticipantContribution_A01DEBD9D23A3977ADFFBD0F15371B6F" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Purchase price of shares purchased under ESPP</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Weighted Average Price Of Shares Purchased</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share based compensation arrangement by share based payment award weighted average price of shares purchased.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_485FB34BC8BB944C16BEBD0F1537688A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement With Individual Increase In Compensation Expense</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deferred Compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCompensation" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF" xlink:to="lab_us-gaap_IncreaseDecreaseInDeferredCompensation_1B7590FE2D2A17FBDB84BD0F15371EFF" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73_terseLabel_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement With Individual Decrease In Compensation Expense</link:label>
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73_label_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement With Individual Decrease In Compensation Expense</link:label>
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73_documentation_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual decrease in compensation expense.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense" xlink:label="loc_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:to="lab_bdn_DeferredCompensationArrangementWithIndividualDecreaseInCompensationExpense_6449E517AFA9B5801F06BD0F15374F73" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188_terseLabel_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual increase in compensation expense.</link:label>
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188_label_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual increase in compensation expense.</link:label>
    <link:label id="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188_documentation_en-US" xlink:label="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual increase in compensation expense.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense" xlink:label="loc_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:to="lab_bdn_DeferredCompensationArrangementWithIndividualIncreaseInCompensationExpense_9C3A1BD73AB7DE20ECC9BD0F15379188" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of shares to be issued under deferred compensation plan included in total shares outstanding</link:label>
    <link:label id="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E_label_en-US" xlink:label="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares To Be Issued Under Deferred Compensation Plan Included In Shares Outstanding</link:label>
    <link:label id="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E_documentation_en-US" xlink:label="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of shares to be issued under deferred compensation plan included in shares outstanding.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding" xlink:label="loc_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:to="lab_bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_B044672952D4E9FE1C0FBD0F1537C97E" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award vesting term, minimum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Term, Minimum</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Term, Minimum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMinimum_4D256417E2D8A9EE2830BD0F15376AB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950" xlink:to="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AB22863703FB817BA41FBD99248EC950" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_7ED3DF7238A784D95AB7BD99248E17FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1FCAC3A137572C1EC29DBD99248FBF97" xlink:type="arc" />
    <link:label id="lab_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376_terseLabel_en-US" xlink:label="lab_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">In-place lease value [Member]</link:label>
    <link:label id="lab_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376_label_en-US" xlink:label="lab_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leases, Acquired-in-Place [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="loc_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376" xlink:to="lab_us-gaap_LeasesAcquiredInPlaceMember_4E13388C944C75ACAFFEBD99248F2376" xlink:type="arc" />
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant relationship value [Member]</link:label>
    <link:label id="lab_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A_label_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer Relationships [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A" xlink:to="lab_us-gaap_CustomerRelationshipsMember_421E40449E6E343ED85DBD9924945B4A" xlink:type="arc" />
    <link:label id="lab_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971_terseLabel_en-US" xlink:label="lab_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Above market leases acquired [Member]</link:label>
    <link:label id="lab_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971_label_en-US" xlink:label="lab_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Above Market Leases [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AboveMarketLeasesMember" xlink:label="loc_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971" xlink:to="lab_us-gaap_AboveMarketLeasesMember_B05CEA80A09A820392A5BD9924949971" xlink:type="arc" />
    <link:label id="lab_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA_terseLabel_en-US" xlink:label="lab_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Below market leases acquired [Member]</link:label>
    <link:label id="lab_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA_label_en-US" xlink:label="lab_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Below Market Leases [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BelowMarketLeasesMember" xlink:label="loc_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA" xlink:to="lab_us-gaap_BelowMarketLeasesMember_6B26FF4E82D8C6050321BD992494ACAA" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsLineItems_7815CBD48F05983DDB45BD9924947C7C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Intangible assets</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNetAbstract_609AED4785B35DE59FEEBD992494205E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total Cost</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsGross_A307ABB7BF00DD6F079DBD992494C733" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2_negatedLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_001744D90F827C82D18EBD9924955DB2" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Intangible Assets, net</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_E16E7AAA89C9D5885148BD9924950814" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_666CDDFEF15B8747ED447983163719C0_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_666CDDFEF15B8747ED447983163719C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_666CDDFEF15B8747ED447983163719C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_666CDDFEF15B8747ED447983163719C0" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_666CDDFEF15B8747ED447983163719C0" xlink:type="arc" />
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6_terseLabel_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Table]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6_label_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Table]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6_documentation_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable" xlink:label="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:to="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_F49D8D43D3CED81B230979831638F5E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment by Type [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_82AD954F34D8F7B7C56979831638E9D9" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentTypeDomain_BD0CEE85685179BC745F79831638852B" xlink:type="arc" />
    <link:label id="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C_terseLabel_en-US" xlink:label="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Properties [Member]</link:label>
    <link:label id="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C_label_en-US" xlink:label="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Properties [Member]</link:label>
    <link:label id="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C_documentation_en-US" xlink:label="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total Properties</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TotalPropertiesMember" xlink:label="loc_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:to="lab_bdn_TotalPropertiesMember_4A385D5CD3421B55D64879869144C27C" xlink:type="arc" />
    <link:label id="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C_verboseLabel_en-US" xlink:label="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Office Properties [Member]</link:label>
    <link:label id="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C_label_en-US" xlink:label="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Properties [Member]</link:label>
    <link:label id="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C_documentation_en-US" xlink:label="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Office Properties.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OfficePropertiesMember" xlink:label="loc_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:to="lab_bdn_OfficePropertiesMember_A69884D78DE7D263400679831638909C" xlink:type="arc" />
    <link:label id="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B_verboseLabel_en-US" xlink:label="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Industrial facilities [Member]</link:label>
    <link:label id="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B_label_en-US" xlink:label="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Industrial Facilities [Member]</link:label>
    <link:label id="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B_documentation_en-US" xlink:label="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Industrial facilities.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IndustrialFacilitiesMember" xlink:label="loc_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:to="lab_bdn_IndustrialFacilitiesMember_77D7E7FC74811D34BEF67983163D9C7B" xlink:type="arc" />
    <link:label id="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29_verboseLabel_en-US" xlink:label="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mixed-use properties [Member]</link:label>
    <link:label id="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29_label_en-US" xlink:label="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mixed Use Properties [Member]</link:label>
    <link:label id="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29_documentation_en-US" xlink:label="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mixed-use properties.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MixedUsePropertiesMember" xlink:label="loc_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:to="lab_bdn_MixedUsePropertiesMember_3BDF434A50A139A8A5847983163D6B29" xlink:type="arc" />
    <link:label id="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38_terseLabel_en-US" xlink:label="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Development Property [Member]</link:label>
    <link:label id="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38_label_en-US" xlink:label="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Development Property [Member]</link:label>
    <link:label id="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38_documentation_en-US" xlink:label="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Development Property [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DevelopmentPropertyMember" xlink:label="loc_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:to="lab_bdn_DevelopmentPropertyMember_63EE3119314C27E820D67983163DCC38" xlink:type="arc" />
    <link:label id="lab_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B_verboseLabel_en-US" xlink:label="lab_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Parent Company [Member]</link:label>
    <link:label id="lab_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B_label_en-US" xlink:label="lab_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent Company [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B" xlink:to="lab_us-gaap_ParentCompanyMember_55FB36D2C89D2FE267A57983163EE14B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA_verboseLabel_en-US" xlink:label="lab_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unconsolidated real estate ventures [Member]</link:label>
    <link:label id="lab_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA_label_en-US" xlink:label="lab_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate Joint Venture [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CorporateJointVentureMember" xlink:label="loc_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA" xlink:to="lab_us-gaap_CorporateJointVentureMember_A9FCF6FE8E0BB9A671EF7983163E46BA" xlink:type="arc" />
    <link:label id="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25_verboseLabel_en-US" xlink:label="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Wholly-owned management company subsidiaries [Member]</link:label>
    <link:label id="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25_label_en-US" xlink:label="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management Company Subsidiaries [Member]</link:label>
    <link:label id="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25_documentation_en-US" xlink:label="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Management company subsidiaries.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ManagementCompanySubsidiariesMember" xlink:label="loc_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:to="lab_bdn_ManagementCompanySubsidiariesMember_2BA55237D59ABD3D5AC07983163EDA25" xlink:type="arc" />
    <link:label id="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5_verboseLabel_en-US" xlink:label="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Third Parties and Unconsolidated Real Estate Ventures [Member]</link:label>
    <link:label id="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5_label_en-US" xlink:label="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third Parties and Real Estate Ventures [Member]</link:label>
    <link:label id="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5_documentation_en-US" xlink:label="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Third Parties and Real Estate Ventures.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ThirdPartiesAndRealEstateVenturesMember" xlink:label="loc_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:to="lab_bdn_ThirdPartiesAndRealEstateVenturesMember_9942AF9FF51DB6D2B72E7983163EA4E5" xlink:type="arc" />
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87_terseLabel_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Line Items]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87_label_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Line Items]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87_documentation_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems" xlink:label="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:to="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_313D7AEE992BCE5C9E8C7983163EDA87" xlink:type="arc" />
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3_terseLabel_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3_label_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3_documentation_en-US" xlink:label="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract" xlink:label="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:to="lab_bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_CCAF63E3A21171C615217983163E15B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B_verboseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Ownership in the Operating Partnership</link:label>
    <link:label id="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B_label_en-US" xlink:label="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest, Ownership Percentage by Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B" xlink:to="lab_us-gaap_MinorityInterestOwnershipPercentageByParent_E99D3D40086B47D5A64C7983163ED75B" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of unconsolidated real estate ventures</link:label>
    <link:label id="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97_label_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97_documentation_en-US" xlink:label="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of unconsolidated real estate ventures.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfUnconsolidatedRealEstateVentures" xlink:label="loc_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:to="lab_bdn_NumberOfUnconsolidatedRealEstateVentures_B3034005D772971D6B377983163E2D97" xlink:type="arc" />
    <link:label id="lab_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE_verboseLabel_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of properties with ownership interest</link:label>
    <link:label id="lab_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE_label_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Real Estate Properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfRealEstateProperties" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE" xlink:to="lab_us-gaap_NumberOfRealEstateProperties_EEA7BF763C4BA01421747983163F2ADE" xlink:type="arc" />
    <link:label id="lab_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D_verboseLabel_en-US" xlink:label="lab_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net rentable square feet</link:label>
    <link:label id="lab_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D_label_en-US" xlink:label="lab_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area of Real Estate Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AreaOfRealEstateProperty" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D" xlink:to="lab_us-gaap_AreaOfRealEstateProperty_35B5F23EF36765B49D667983163FD68D" xlink:type="arc" />
    <link:label id="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C_terseLabel_en-US" xlink:label="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Area of additional undeveloped parcels of land with option to purchase</link:label>
    <link:label id="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C_label_en-US" xlink:label="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Area Of Additional Undeveloped Parcels Of Land With Option to Purchase</link:label>
    <link:label id="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C_documentation_en-US" xlink:label="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Area Of Additional Undeveloped Parcels Of Land With Option to Purchase</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase" xlink:label="loc_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:to="lab_bdn_AreaOfAdditionalUndevelopedParcelsOfLandWithOptionToPurchase_1545621EA37A09BF44C17983163FB21C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsAbstract_445E0BE338E6F6BB0E42DED776FFE2C3_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsAbstract_445E0BE338E6F6BB0E42DED776FFE2C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="loc_us-gaap_SubsequentEventsAbstract_445E0BE338E6F6BB0E42DED776FFE2C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsAbstract_445E0BE338E6F6BB0E42DED776FFE2C3" xlink:to="lab_us-gaap_SubsequentEventsAbstract_445E0BE338E6F6BB0E42DED776FFE2C3" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378_verboseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SUBSEQUENT EVENTS</link:label>
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Events [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="loc_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378" xlink:to="lab_us-gaap_SubsequentEventsTextBlock_23CB113804F62CA4770BDED776FF4378" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of debt repurchases</link:label>
    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164" xlink:to="lab_us-gaap_LongTermDebtByMaturityAbstract_F5D73EF534DBAF1B1B50DED777313164" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2012</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_D428DA68A8BA7202C921DED777311725" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_09FDA754BECB47A0B1C8DED77731F522" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_1688C4520AC16A086BE4DED777311EEE" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_EA0E539A7EC952B8659CDED77731D93E" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6D9DCE166DB128AF9A21DED777315A4B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_8F1FF4E65A641F7392D0DED77731BCD4" xlink:type="arc" />
    <link:label id="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4_totalLabel_en-US" xlink:label="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total principal payments</link:label>
    <link:label id="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4_label_en-US" xlink:label="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal</link:label>
    <link:label id="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4_documentation_en-US" xlink:label="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long term-debt maturities repayments of principal.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:label="loc_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:to="lab_bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_95735135BC1456B415C5DED7773196E4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411_negatedLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net unamortized premiums/(discounts)</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount (Premium), Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_677274EB7AA9D0BD133DDED77731E411" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Debt Obligations</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8" xlink:to="lab_us-gaap_LongTermDebt_CBE563B89A3132B4A07CDED777316EF8" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_FDBD0F770E6087D3F584BD0F17FC3808_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract_FDBD0F770E6087D3F584BD0F17FC3808" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_FDBD0F770E6087D3F584BD0F17FC3808" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_FDBD0F770E6087D3F584BD0F17FC3808" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract_FDBD0F770E6087D3F584BD0F17FC3808" xlink:type="arc" />
    <link:label id="lab_bdn_SeriesDPreferredStocksMember_01FA091CDBD6CA9C7ACBBD0F17FCBCAA_verboseLabel_en-US" xlink:label="lab_bdn_SeriesDPreferredStocksMember_01FA091CDBD6CA9C7ACBBD0F17FCBCAA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">7.50% Series D Preferred Shares</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeriesDPreferredStocksMember" xlink:label="loc_bdn_SeriesDPreferredStocksMember_01FA091CDBD6CA9C7ACBBD0F17FCBCAA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeriesDPreferredStocksMember_01FA091CDBD6CA9C7ACBBD0F17FCBCAA" xlink:to="lab_bdn_SeriesDPreferredStocksMember_01FA091CDBD6CA9C7ACBBD0F17FCBCAA" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesCPreferredStockMember_711ECC20FDC5E453C851BD0F17FC92CC_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesCPreferredStockMember_711ECC20FDC5E453C851BD0F17FC92CC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">7.50% Series C Preferred Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesCPreferredStockMember" xlink:label="loc_us-gaap_SeriesCPreferredStockMember_711ECC20FDC5E453C851BD0F17FC92CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesCPreferredStockMember_711ECC20FDC5E453C851BD0F17FC92CC" xlink:to="lab_us-gaap_SeriesCPreferredStockMember_711ECC20FDC5E453C851BD0F17FC92CC" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB_terseLabel_en-US" xlink:label="lab_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7.375% Series D Preferred Shares</link:label>
    <link:label id="lab_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB_label_en-US" xlink:label="lab_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series D Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB" xlink:to="lab_us-gaap_SeriesDPreferredStockMember_99B5011D3CA3CBB59FA0BD0F17FCC8BB" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC_terseLabel_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.90% Series E Preferred Stock [Member]</link:label>
    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC_label_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series E Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesEPreferredStockMember" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC" xlink:to="lab_us-gaap_SeriesEPreferredStockMember_3B74EF5E6DFDA449BB7DBD0F17FC3AEC" xlink:type="arc" />
    <link:label id="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60_terseLabel_en-US" xlink:label="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.90% Series E-linked Preferred Stock [Member]</link:label>
    <link:label id="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60_label_en-US" xlink:label="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series E-linked Preferred Stock [Member]</link:label>
    <link:label id="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60_documentation_en-US" xlink:label="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outstanding 6.90% Series E-linked Preferred Mirror Units.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SeriesELinkedPreferredStockMember" xlink:label="loc_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:to="lab_bdn_SeriesELinkedPreferredStockMember_F81EFB2F8D0B3A895B17BD0F17FCBE60" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ASSETS</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1" xlink:to="lab_us-gaap_AssetsAbstract_284E481B892904D153C8BD0F17FD0AA1" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real estate investments:</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNetAbstract" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_2533BC2E8A069625E7D7BD0F17FD79AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAtCost_2B5D1482F57347B94958BD0F17FD189D_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAtCost_2B5D1482F57347B94958BD0F17FD189D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rental properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_2B5D1482F57347B94958BD0F17FD189D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_2B5D1482F57347B94958BD0F17FD189D" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyAtCost_2B5D1482F57347B94958BD0F17FD189D" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846_negatedLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accumulated depreciation</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Accumulated Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_9F18304101073F54B92EBD0F17FD5846" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F_totalLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating real estate investments, net</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyNet_60CEE55090D2C8D3F470BD0F17FD370F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445_verboseLabel_en-US" xlink:label="lab_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Construction-in-progress</link:label>
    <link:label id="lab_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445_label_en-US" xlink:label="lab_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Development in Process</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="loc_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445" xlink:to="lab_us-gaap_DevelopmentInProcess_1B23ECC66AF1D481D802BD0F17FD1445" xlink:type="arc" />
    <link:label id="lab_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6_verboseLabel_en-US" xlink:label="lab_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Land inventory</link:label>
    <link:label id="lab_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6_label_en-US" xlink:label="lab_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land Available for Development</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LandAvailableForDevelopment" xlink:label="loc_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6" xlink:to="lab_us-gaap_LandAvailableForDevelopment_8E39573BC7AC9D210942BD0F17FD7FB6" xlink:type="arc" />
    <link:label id="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20_totalLabel_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total real estate investments, net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20_label_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20_documentation_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net book value of real estate property held for investment purposes.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RealEstateInvestmentsNet" xlink:label="loc_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:to="lab_bdn_RealEstateInvestmentsNet_BDAD0A44AD7D24FA91F0BD0F17FD9B20" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B_verboseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_584A70A4B99D07227B9BBD0F17FE733B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale securities, Current</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C" xlink:to="lab_us-gaap_AvailableForSaleSecurities_B02709D5030D0AC29BE6BD0F17FE707C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="loc_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5" xlink:to="lab_us-gaap_AccountsReceivableNet_32819DE1F8202AEBB7FBBD0F17FE5AD5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accrued rent receivable, net</link:label>
    <link:label id="lab_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4_label_en-US" xlink:label="lab_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Rent Receivables, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredRentReceivablesNet" xlink:label="loc_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4" xlink:to="lab_us-gaap_DeferredRentReceivablesNet_A2517FE2A6C2C7361550BD0F17FE3DC4" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, at Carrying Value</link:label>
    <link:label id="lab_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleAtCarryingValue" xlink:label="loc_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96" xlink:to="lab_us-gaap_AssetsHeldForSaleAtCarryingValue_DC6428896BA48C1E69C3BD0F17FE9B96" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestments_834E53FA7465C1A1F6A6BD0F17FE9B08_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments_834E53FA7465C1A1F6A6BD0F17FE9B08" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investment in real estate ventures, at equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_834E53FA7465C1A1F6A6BD0F17FE9B08" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments_834E53FA7465C1A1F6A6BD0F17FE9B08" xlink:to="lab_us-gaap_EquityMethodInvestments_834E53FA7465C1A1F6A6BD0F17FE9B08" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCosts_8C85C274442AF1CCF843BD0F17FEA4DD_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredCosts_8C85C274442AF1CCF843BD0F17FEA4DD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred costs, net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCosts" xlink:label="loc_us-gaap_DeferredCosts_8C85C274442AF1CCF843BD0F17FEA4DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCosts_8C85C274442AF1CCF843BD0F17FEA4DD" xlink:to="lab_us-gaap_DeferredCosts_8C85C274442AF1CCF843BD0F17FEA4DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED_verboseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable</link:label>
    <link:label id="lab_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED_label_en-US" xlink:label="lab_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="loc_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED" xlink:to="lab_us-gaap_NotesReceivableNet_0206898602B85B670604BD0F17FEDBED" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A_label_en-US" xlink:label="lab_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A" xlink:to="lab_us-gaap_OtherAssets_3EBF6570DB307E7B0C7FBD0F17FEC95A" xlink:type="arc" />
    <link:label id="lab_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550_totalLabel_en-US" xlink:label="lab_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550_label_en-US" xlink:label="lab_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550" xlink:to="lab_us-gaap_Assets_3234746AF289F6ABA37CBD0F17FE6550" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">LIABILITIES AND BENEFICIARIES' EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_C080B3C69F84C7A71EA7BD0F17FF9A8D" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017_verboseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage notes payable</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017" xlink:to="lab_us-gaap_SecuredDebt_F71E6494BAD50A1B5D4FBD0F17FFE017" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured credit facility</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB" xlink:to="lab_us-gaap_LineOfCredit_AE83DFB97F692B19E883BD0F17FF9ADB" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2_verboseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured term loans</link:label>
    <link:label id="lab_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2_label_en-US" xlink:label="lab_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnsecuredDebt" xlink:label="loc_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2" xlink:to="lab_us-gaap_UnsecuredDebt_1AB2FB12AF4A760DF2BEBD0F17FF3CF2" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867_verboseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured senior notes, net of discounts</link:label>
    <link:label id="lab_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867_label_en-US" xlink:label="lab_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeniorNotes" xlink:label="loc_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867" xlink:to="lab_us-gaap_SeniorNotes_47D5CAE76FF933A69323BD0F17FF6867" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued expenses</link:label>
    <link:label id="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0_label_en-US" xlink:label="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0" xlink:to="lab_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_07D3A010CFA92AD74E0BBD0F17FFB5E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_0CB0A749B6AC48254D85BD0F17FF9A6A_verboseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_0CB0A749B6AC48254D85BD0F17FF9A6A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Distributions payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_0CB0A749B6AC48254D85BD0F17FF9A6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_0CB0A749B6AC48254D85BD0F17FF9A6A" xlink:to="lab_us-gaap_DividendsPayableCurrentAndNoncurrent_0CB0A749B6AC48254D85BD0F17FF9A6A" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F_verboseLabel_en-US" xlink:label="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred income, gains and rent</link:label>
    <link:label id="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F_label_en-US" xlink:label="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Income Gains And Rent</link:label>
    <link:label id="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F_documentation_en-US" xlink:label="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred income, gains and rent.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredIncomeGainsAndRent" xlink:label="loc_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:to="lab_bdn_DeferredIncomeGainsAndRent_A1E02AF59F030C291A36BD0F17FF464F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309_terseLabel_en-US" xlink:label="lab_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired lease intangibles, net</link:label>
    <link:label id="lab_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309_label_en-US" xlink:label="lab_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Off-market Lease, Unfavorable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OffMarketLeaseUnfavorable" xlink:label="loc_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309" xlink:to="lab_us-gaap_OffMarketLeaseUnfavorable_69D336414E328FB4CB44BD0F17FF0309" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846_label_en-US" xlink:label="lab_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846" xlink:to="lab_us-gaap_OtherLiabilities_0B86A18AFDAF293C0582BD0F17FF5846" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities of Assets Held-for-sale</link:label>
    <link:label id="lab_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61_label_en-US" xlink:label="lab_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities of Assets Held-for-sale</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesOfAssetsHeldForSale" xlink:label="loc_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61" xlink:to="lab_us-gaap_LiabilitiesOfAssetsHeldForSale_F1C1B61E013B1EB22912BD0F17FF8C61" xlink:type="arc" />
    <link:label id="lab_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F_label_en-US" xlink:label="lab_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F" xlink:to="lab_us-gaap_Liabilities_CE65BACFAE175238805CBD0F17FF505F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470_verboseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (Note 17)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470" xlink:to="lab_us-gaap_CommitmentsAndContingencies_4B30692ABD150B4FA022BD0F17FF6470" xlink:type="arc" />
    <link:label id="lab_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2_verboseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Redeemable limited partnership units at redemption value;</link:label>
    <link:label id="lab_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TemporaryEquityAbstract" xlink:label="loc_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2" xlink:to="lab_us-gaap_TemporaryEquityAbstract_7B7B86E5EF17031DA564BD0F17FF07C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8_verboseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Redeemable limited partnership units at redemption value; 2,657,721 and 2,698,648 issued and outstanding in 2012 and 2011, respectively</link:label>
    <link:label id="lab_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8_label_en-US" xlink:label="lab_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity, Redemption Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TemporaryEquityRedemptionValue" xlink:label="loc_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8" xlink:to="lab_us-gaap_TemporaryEquityRedemptionValue_5639C631AAFC83DB154EBD0F1800ABB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD_verboseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Brandywine Realty Trust's equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD" xlink:to="lab_us-gaap_StockholdersEquityAbstract_1E48FADD00A1D2FC2EFCBD0F1800D6AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred Shares</link:label>
    <link:label id="lab_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA" xlink:to="lab_us-gaap_PreferredStockValue_B2EE4C58F2DC177BA336BD0F1800EFDA" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Shares of Brandywine Realty Trust&#8217;s beneficial interest, $0.01 par value; shares authorized 200,000,000; 143,438,501 and 142,690,755 issued and outstanding in 2012 and 2011, respectively</link:label>
    <link:label id="lab_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62_label_en-US" xlink:label="lab_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62" xlink:to="lab_us-gaap_CommonStockValue_EE8BCF784FE36439DAC3BD0F1800EA62" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5_verboseLabel_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">General Partnership Capital, 143,438,501 and 142,690,755 units issued and outstanding in 2012 and 2011, respectively</link:label>
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5_label_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Partners' Capital Account</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5" xlink:to="lab_us-gaap_GeneralPartnersCapitalAccount_4F7D8E7C3FF37133BE9BBD0F180090A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773" xlink:to="lab_us-gaap_AdditionalPaidInCapital_C41E0281A19CAD99DAB6BD0F18003773" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711_negatedTerseLabel_en-US" xlink:label="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation payable in common shares</link:label>
    <link:label id="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711_label_en-US" xlink:label="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred compensation payable in common stock</link:label>
    <link:label id="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711_documentation_en-US" xlink:label="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred compensation payable in common stock.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCompensationPayableInCommonStock" xlink:label="loc_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:to="lab_bdn_DeferredCompensationPayableInCommonStock_562FB950EBB689EE724CBD0F18002711" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Common shares in grantor trust, 290,745 in 2012 and 292,646 in 2011</link:label>
    <link:label id="lab_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3_label_en-US" xlink:label="lab_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock Issued, Employee Stock Trust</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockIssuedEmployeeStockTrust" xlink:label="loc_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3" xlink:to="lab_us-gaap_CommonStockIssuedEmployeeStockTrust_C7B13F1DEEAE2602BC93BD0F1800F0B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F_verboseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cumulative earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit_2FF39E012724231DD835BD0F18007A4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated other comprehensive loss</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_5EC305B9D91DA683D705BD0F1801EB0D" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cumulative distributions</link:label>
    <link:label id="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848_label_en-US" xlink:label="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Distributions in Excess of Net Income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncome" xlink:label="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848" xlink:to="lab_us-gaap_AccumulatedDistributionsInExcessOfNetIncome_DDFFD9A7D11946DF2C5BBD0F18011848" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Brandywine Realty Trust's equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA" xlink:to="lab_us-gaap_StockholdersEquity_AB4B374AA8D06C51518BBD0F1801FEFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700_verboseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Non-controlling interests</link:label>
    <link:label id="lab_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700_label_en-US" xlink:label="lab_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterest" xlink:label="loc_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700" xlink:to="lab_us-gaap_MinorityInterest_DAA6EFE38FFDCEFB7E30BD0F18014700" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4C0B26013D4E8CE34291BD0F18013D92" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and equity</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity_FB2CABE2E263B8E8CB88BD0F18019F8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsTable_163DAED580C2E98EA829BD0EABD512DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investment, Equity Method Investee, Name [Axis]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investee, Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_D4D3CEC2B7C0ECF70A5ABD0EABD6AE73" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Method Investee, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investee, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3" xlink:to="lab_us-gaap_EquityMethodInvesteeNameDomain_423DC63F90A4C9521ADBBD0EABD67DA3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790" xlink:to="lab_us-gaap_ScheduleOfEquityMethodInvestmentsLineItems_F1DFC0FE1A229354E6EFBD0EABD62790" xlink:type="arc" />
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_4DBC954C69AC68FB745BBD0EABDB12B5_verboseLabel_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_4DBC954C69AC68FB745BBD0EABDB12B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loss on real estate venture formation</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LossOnRealEstateVentureFormation" xlink:label="loc_bdn_LossOnRealEstateVentureFormation_4DBC954C69AC68FB745BBD0EABDB12B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LossOnRealEstateVentureFormation_4DBC954C69AC68FB745BBD0EABDB12B5" xlink:to="lab_bdn_LossOnRealEstateVentureFormation_4DBC954C69AC68FB745BBD0EABDB12B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financial position of the Real Estate Ventures</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationAbstract_828ACC92F3C3152BA1ECBD0EABDB4E2F" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B_terseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net property</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Net Property</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Net Property.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_0AE9B6E2DC19CB389D24BD0EABDB1B4B" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4_terseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Assets</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Assets.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_FEA9E5B51261A7FDFC14BD0EABDCBCD4" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7_terseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Liabilities</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Liabilities.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_E810EA15C3A63CD7C7F2BD0EABDC82B7" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C_terseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Debt</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Debt.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_ED412E69A1234E41574CBD0EABDCCF3C" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Equity or Capital</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital_ACB258F50F816E92EC7CBD0EABDC4CBE" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E2AB5228C53DF4FBC24DB885C87B9954_label_en-US" xlink:label="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E2AB5228C53DF4FBC24DB885C87B9954" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Other Comprehensive Income [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E2AB5228C53DF4FBC24DB885C87B9954" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E2AB5228C53DF4FBC24DB885C87B9954" xlink:to="lab_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_E2AB5228C53DF4FBC24DB885C87B9954" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss):</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2D1E5DDD2DB3734EEBE3B885C87C54C9" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gain (loss) on derivative financial instruments</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_E4C0D77564F1F35E0532B885C87C255A" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification of realized (gains)/losses on derivative financial instruments to operations, net</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax_B13585FE410EA13D9FB7B885C87C8559" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized loss on available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF" xlink:to="lab_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_220151D1B50C9C73FB69B885C87C43BF" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267_totalLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_D44C33154B61EBB0E064B885C87C0267" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_E0EA535E58A56912179DB885C87C4CA4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751_negatedLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Comprehensive (income) loss attributable to non-controlling interest</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_ABC1E73F14E174C955F7B885C87CB751" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss) attributable to Brandywine Realty Trust</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTax_1AEE65350B70648AF39FB885C87DF4A0" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC_verboseLabel_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC_label_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC_documentation_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred costs.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCostsTextualsAbstract" xlink:label="loc_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:to="lab_bdn_DeferredCostsTextualsAbstract_5EBAE74E59618E12B822DED777BD11EC" xlink:type="arc" />
    <link:label id="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE_verboseLabel_en-US" xlink:label="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Capitalized internal direct leasing costs</link:label>
    <link:label id="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE_label_en-US" xlink:label="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized Internal Direct Leasing Costs</link:label>
    <link:label id="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE_documentation_en-US" xlink:label="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capitalized internal direct leasing costs.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CapitalizedInternalDirectLeasingCosts" xlink:label="loc_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:to="lab_bdn_CapitalizedInternalDirectLeasingCosts_6B880CB4DB12C79DA5D1DED777BD3BFE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of derivative instruments in statement of financial position, fair value</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2" xlink:to="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_72A989C7290CB3A557E3DED7776DEFD2" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsidiariesMember_7307DD4CD3A55B0E94E9BD7E14CDB87D_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiariesMember_7307DD4CD3A55B0E94E9BD7E14CDB87D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsidiaries [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="loc_us-gaap_SubsidiariesMember_7307DD4CD3A55B0E94E9BD7E14CDB87D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiariesMember_7307DD4CD3A55B0E94E9BD7E14CDB87D" xlink:to="lab_us-gaap_SubsidiariesMember_7307DD4CD3A55B0E94E9BD7E14CDB87D" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Business Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Segments [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis_F338226366B78ABB0CC9BD7E14CD3FF7" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004_label_en-US" xlink:label="lab_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004" xlink:to="lab_us-gaap_SegmentDomain_8A4D7A9528984F9B4245BD7E14CD0004" xlink:type="arc" />
    <link:label id="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37_verboseLabel_en-US" xlink:label="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pennsylvania Suburbs [Member]</link:label>
    <link:label id="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37_label_en-US" xlink:label="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pennsylvania [Member]</link:label>
    <link:label id="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37_documentation_en-US" xlink:label="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pennsylvania.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PennsylvaniaMember" xlink:label="loc_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:to="lab_bdn_PennsylvaniaMember_714AC0FC2E709FBA80CFBD7E14CD8E37" xlink:type="arc" />
    <link:label id="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B_verboseLabel_en-US" xlink:label="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Philadelphia CBD [Member]</link:label>
    <link:label id="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B_label_en-US" xlink:label="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Philadelphia CBD [Member]</link:label>
    <link:label id="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B_documentation_en-US" xlink:label="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Philadelphia CBD.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PhiladelphiaCbdMember" xlink:label="loc_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:to="lab_bdn_PhiladelphiaCbdMember_9AEF06557FBA266A9D79BD7E14CDF47B" xlink:type="arc" />
    <link:label id="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD_verboseLabel_en-US" xlink:label="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Metropolitan, D.C. [Member]</link:label>
    <link:label id="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD_label_en-US" xlink:label="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Metropolitan Dc [Member]</link:label>
    <link:label id="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD_documentation_en-US" xlink:label="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Metropolitan, D.C.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MetropolitanDcMember" xlink:label="loc_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:to="lab_bdn_MetropolitanDcMember_3B52989EBA158FCEDC45BD7E14CDE8AD" xlink:type="arc" />
    <link:label id="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0_verboseLabel_en-US" xlink:label="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New Jersey/ Delaware [Member]</link:label>
    <link:label id="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0_label_en-US" xlink:label="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Jersey/ Delaware [Member]</link:label>
    <link:label id="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0_documentation_en-US" xlink:label="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Jersey/ Delaware</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NewJerseyDelawareMember" xlink:label="loc_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:to="lab_bdn_NewJerseyDelawareMember_965B98411B5B79BB36C6BD7E14CD33D0" xlink:type="arc" />
    <link:label id="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00_verboseLabel_en-US" xlink:label="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Richmond, Virginia [Member]</link:label>
    <link:label id="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00_label_en-US" xlink:label="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Richmond, Virginia [Member]</link:label>
    <link:label id="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00_documentation_en-US" xlink:label="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Richmond, Virginia.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RichmondVirginiaMember" xlink:label="loc_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:to="lab_bdn_RichmondVirginiaMember_136DC8C0132499EC8AF4BD7E14CE9F00" xlink:type="arc" />
    <link:label id="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD_verboseLabel_en-US" xlink:label="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Austin, Texas [Member]</link:label>
    <link:label id="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD_label_en-US" xlink:label="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Austin, Texas [Member]</link:label>
    <link:label id="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD_documentation_en-US" xlink:label="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Austin, Texas.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AustinTexasMember" xlink:label="loc_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:to="lab_bdn_AustinTexasMember_563A8DF52DE8F24A2C69BD7E14CE01DD" xlink:type="arc" />
    <link:label id="lab_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E_verboseLabel_en-US" xlink:label="lab_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">California [Member]</link:label>
    <link:label id="lab_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E_label_en-US" xlink:label="lab_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CALIFORNIA</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/stpr/2011/stpr-2011-01-31.xsd#stpr_CA" xlink:label="loc_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E" xlink:to="lab_stpr_CA_E3707EB655552A7398F8BD7E14CEA78E" xlink:type="arc" />
    <link:label id="lab_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693_verboseLabel_en-US" xlink:label="lab_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Corporate [Member]</link:label>
    <link:label id="lab_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693_label_en-US" xlink:label="lab_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CorporateMember" xlink:label="loc_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693" xlink:to="lab_us-gaap_CorporateMember_5CD1434C8D0D1EA80912BD7E14CEF693" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems_2EECECE041469EEC5C51BD7E14CED614" xlink:type="arc" />
    <link:label id="lab_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of reportable segments</link:label>
    <link:label id="lab_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0" xlink:to="lab_us-gaap_NumberOfReportableSegments_9E757EBD2A5B234251C6BD7E14CE28E0" xlink:type="arc" />
    <link:label id="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979_verboseLabel_en-US" xlink:label="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979_label_en-US" xlink:label="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments Information [Abstract]</link:label>
    <link:label id="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979_documentation_en-US" xlink:label="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Segment Information.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SegmentsInformationAbstract" xlink:label="loc_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:to="lab_bdn_SegmentsInformationAbstract_8ECA015D06EB544E65E3BD7E14CE7979" xlink:type="arc" />
    <link:label id="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC_verboseLabel_en-US" xlink:label="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real estate investments, at cost:</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC_label_en-US" xlink:label="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments At Cost [Abstract]</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC_documentation_en-US" xlink:label="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real estate investments at cost.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RealEstateInvestmentsAtCostAbstract" xlink:label="loc_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:to="lab_bdn_RealEstateInvestmentsAtCostAbstract_DD64D5579156CB21D0B7BD7E14CE9CEC" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAtCost_29DB69FE208622052125BD7E14CE913A_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAtCost_29DB69FE208622052125BD7E14CE913A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAtCost_29DB69FE208622052125BD7E14CE913A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyAtCost_29DB69FE208622052125BD7E14CE913A" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyAtCost_29DB69FE208622052125BD7E14CE913A" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5_netLabel_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">Total revenue</link:label>
    <link:label id="lab_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5_label_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Revenue, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5" xlink:to="lab_us-gaap_RealEstateRevenueNet_DB6D1681F1E1EEBC39E5BD7E14CF95B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property operating expenses, real estate taxes and third party management expenses</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Goods and Services Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold_BB2C9C23C6DE5ABC40F0BD7E14CFBE87" xlink:type="arc" />
    <link:label id="lab_us-gaap_GrossProfit_9BB1E73198FA256BF097BD7E14CFF003_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_9BB1E73198FA256BF097BD7E14CFF003" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net operating income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_9BB1E73198FA256BF097BD7E14CFF003" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GrossProfit_9BB1E73198FA256BF097BD7E14CFF003" xlink:to="lab_us-gaap_GrossProfit_9BB1E73198FA256BF097BD7E14CFF003" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_5B36687F6B4CBC7449F58E0119597AA2_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract_5B36687F6B4CBC7449F58E0119597AA2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountingPoliciesAbstract" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_5B36687F6B4CBC7449F58E0119597AA2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_5B36687F6B4CBC7449F58E0119597AA2" xlink:to="lab_us-gaap_AccountingPoliciesAbstract_5B36687F6B4CBC7449F58E0119597AA2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principles of Consolidation</link:label>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock_1F28CDDE26C1CC03E72D8E0119592671" xlink:type="arc" />
    <link:label id="lab_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</link:label>
    <link:label id="lab_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968" xlink:to="lab_us-gaap_UseOfEstimates_3F2AD0CDB131760A218F8E0119599968" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Properties</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_A316D656120DA767FB298E0119597B2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase Price Allocation</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combinations and Other Purchase of Business Transactions, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:label="loc_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7" xlink:to="lab_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_C584788208AA645BED478E011959B9B7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets</link:label>
    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2" xlink:to="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_06CFD3EE1AA09117C99D8E011959B5B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in Unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383_label_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="loc_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383" xlink:to="lab_us-gaap_InvestmentPolicyTextBlock_86F7EE7C67DBAAFCE28A8E0119595383" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue Recognition</link:label>
    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805_label_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805" xlink:to="lab_us-gaap_RevenueRecognitionPolicyTextBlock_92B093BF5B3EAFC5431D8E011959D805" xlink:type="arc" />
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-Based Compensation Plans</link:label>
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE_label_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Related Costs, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE" xlink:to="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_F7B443E61A8D45D2C1CD8E01195907CE" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounting for Derivative Instruments and Hedging Activities</link:label>
    <link:label id="lab_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF_label_en-US" xlink:label="lab_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF" xlink:to="lab_us-gaap_DerivativesPolicyTextBlock_B5B88DE8C21D6151472A8E011959A9DF" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements</link:label>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4" xlink:to="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_B738184919DDC0D2FE9B8E01195918D4" xlink:type="arc" />
    <link:label id="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B_terseLabel_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities held-to-maturity</link:label>
    <link:label id="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B_label_en-US" xlink:label="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy" xlink:label="loc_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B" xlink:to="lab_us-gaap_MarketableSecuritiesAvailableForSaleSecuritiesPolicy_CA925742F8511E48E42A8E011CFB895B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock_47E6BFA4D85B70CA97DB8E011959C730" xlink:type="arc" />
    <link:label id="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49_terseLabel_en-US" xlink:label="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recent Accounting Pronouncements</link:label>
    <link:label id="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49_label_en-US" xlink:label="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recent Accounting Pronouncement [Policy Text Block]</link:label>
    <link:label id="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49_documentation_en-US" xlink:label="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recent accounting pronouncement.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RecentAccountingPronouncementPolicyTextBlock" xlink:label="loc_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:to="lab_bdn_RecentAccountingPronouncementPolicyTextBlock_8D7CE64E6F2489B0360C8E0119594D49" xlink:type="arc" />
    <link:label id="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20_verboseLabel_en-US" xlink:label="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts</link:label>
    <link:label id="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20_label_en-US" xlink:label="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts [Abstract]</link:label>
    <link:label id="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20_documentation_en-US" xlink:label="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract" xlink:label="loc_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:to="lab_bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_B23C7A212912DA49CA97B718BB4E9D20" xlink:type="arc" />
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234_verboseLabel_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage notes payable, Carrying Amount</link:label>
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234_label_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt Principal Balance Outstanding</link:label>
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234_documentation_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Secured Debt Principal Balance Outstanding.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SecuredDebtPrincipalBalanceOutstanding" xlink:label="loc_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:to="lab_bdn_SecuredDebtPrincipalBalanceOutstanding_48437BF0FB810F4D5011B718BB4E2234" xlink:type="arc" />
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B_verboseLabel_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mortgage notes payable, Fair Value</link:label>
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B_label_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt Principal Balance Outstanding Fair Value Disclosure</link:label>
    <link:label id="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B_documentation_en-US" xlink:label="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Secured Debt Principal Balance Outstanding Fair Value Disclosure.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" xlink:label="loc_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:to="lab_bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_1730B51A568BA9A543D9B718BB4E410B" xlink:type="arc" />
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945_verboseLabel_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured notes payable, Carrying Amount</link:label>
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945_label_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Notes Payable Net Of Discounts Carrying Amount</link:label>
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945_documentation_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unsecured notes payable, net of discounts, Carrying Amount.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount" xlink:label="loc_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:to="lab_bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_3CCE5519CA019FD3BFAEB718BB4E1945" xlink:type="arc" />
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68_verboseLabel_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured notes payable, Fair Value</link:label>
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68_label_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Notes Payable Net Of Discounts Fair Value</link:label>
    <link:label id="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68_documentation_en-US" xlink:label="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Unsecured notes payable, net of discounts, Fair Value.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_UnsecuredNotesPayableNetOfDiscountsFairValue" xlink:label="loc_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:to="lab_bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_DF5B619DEE5DF00293A6B718BB4E8B68" xlink:type="arc" />
    <link:label id="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320_verboseLabel_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Variable rate debt instruments, Carrying Amount</link:label>
    <link:label id="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320_label_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate Debt Instruments Carrying Amount</link:label>
    <link:label id="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320_documentation_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Variable Rate Debt Instruments, Carrying Amount.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_VariableRateDebtInstrumentsCarryingAmount" xlink:label="loc_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:to="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_7C5999FB0B41541E09D6B718BB4ED320" xlink:type="arc" />
    <link:label id="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712_verboseLabel_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Variable rate debt instruments, Fair Value</link:label>
    <link:label id="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712_label_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate Debt Instruments Fair Value</link:label>
    <link:label id="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712_documentation_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Variable Rate Debt Instruments, Fair Value.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_VariableRateDebtInstrumentsFairValue" xlink:label="loc_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:to="lab_bdn_VariableRateDebtInstrumentsFairValue_2D0F76A5911A95766DB9B718BB4E5712" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D_verboseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable, Carrying Amount</link:label>
    <link:label id="lab_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D_label_en-US" xlink:label="lab_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="loc_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D" xlink:to="lab_us-gaap_NotesReceivableGross_817EB5D023520D3CADF3B718BB4E7F4D" xlink:type="arc" />
    <link:label id="lab_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A_verboseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable, Fair Value</link:label>
    <link:label id="lab_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A_label_en-US" xlink:label="lab_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesReceivableFairValueDisclosure" xlink:label="loc_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A" xlink:to="lab_us-gaap_NotesReceivableFairValueDisclosure_D8D5E5D0DD31F8F423D7B718BB4EBB3A" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of results of operations of Real Estate Ventures</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract_307AACFA6019449831D7B885C6CC820C" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationRevenue_FF4593634A882D16E337B885C6CC2279" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E_verboseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating expenses</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Operating expenses</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Operating expenses.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_0FAC05E7727CFC68EAD9B885C6CC8C9E" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D_verboseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest expense, net</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Interest expense net</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Interest expense net.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_E958552BC5D164620BFEB885C6CCB80D" xlink:type="arc" />
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63_verboseLabel_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63_label_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Depreciation and amortization</link:label>
    <link:label id="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63_documentation_en-US" xlink:label="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Equity Method Investment Summarized Financial Information Depreciation and amortization.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" xlink:label="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:to="lab_bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_4977C60E9C67FBE4EA5FB885C6CCCC63" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5_totalLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Net Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5" xlink:to="lab_us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss_04892F6FB9B8F1EFA57FB885C6CD1AA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_BC8D91C5A3FF95CE907AB885C6CDC7F5_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_BC8D91C5A3FF95CE907AB885C6CDC7F5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's share of income (Company's basis)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_BC8D91C5A3FF95CE907AB885C6CDC7F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments_BC8D91C5A3FF95CE907AB885C6CDC7F5" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments_BC8D91C5A3FF95CE907AB885C6CDC7F5" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76_verboseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Guaranteed repayment of loans on behalf of a certain Real Estate Venture</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_E7616B61DE457F27EAB6B885C6CD5B76" xlink:type="arc" />
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_14B34BFB0473FE3A3163B885C6CD2311_negatedTerseLabel_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_14B34BFB0473FE3A3163B885C6CD2311" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on real estate venture formation</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LossOnRealEstateVentureFormation" xlink:label="loc_bdn_LossOnRealEstateVentureFormation_14B34BFB0473FE3A3163B885C6CD2311" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LossOnRealEstateVentureFormation_14B34BFB0473FE3A3163B885C6CD2311" xlink:to="lab_bdn_LossOnRealEstateVentureFormation_14B34BFB0473FE3A3163B885C6CD2311" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Share (EPS)</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_CEC454F0DC2657556572DED777B324AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">DEBT OBLIGATIONS</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036" xlink:to="lab_us-gaap_DebtDisclosureTextBlock_948124EC7E41657DBF06DED777593036" xlink:type="arc" />
    <link:label id="lab_us-gaap_NoncontrollingInterestAbstract_DD7F9C75BD89AD877163DED777BDB3B3_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestAbstract_DD7F9C75BD89AD877163DED777BDB3B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncontrollingInterestAbstract" xlink:label="loc_us-gaap_NoncontrollingInterestAbstract_DD7F9C75BD89AD877163DED777BDB3B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestAbstract_DD7F9C75BD89AD877163DED777BDB3B3" xlink:to="lab_us-gaap_NoncontrollingInterestAbstract_DD7F9C75BD89AD877163DED777BDB3B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC_verboseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">NON-CONTROLLING INTERESTS IN THE PARENT COMPANY</link:label>
    <link:label id="lab_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC_label_en-US" xlink:label="lab_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestDisclosureTextBlock" xlink:label="loc_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC" xlink:to="lab_us-gaap_MinorityInterestDisclosureTextBlock_7A32FC71044EDF8CDC2BDED777BD5ABC" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">INVESTMENT IN UNCONSOLIDATED VENTURES</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments and Joint Ventures Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05" xlink:to="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_9687A1DE114F97B0A179DED776E12F05" xlink:type="arc" />
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991_terseLabel_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of Deferred Costs Net [Abstract]</link:label>
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991_label_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Components of Deferred Costs Net [Abstract]</link:label>
    <link:label id="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991_documentation_en-US" xlink:label="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred costs.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ComponentsOfDeferredCostsNetAbstract" xlink:label="loc_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:to="lab_bdn_ComponentsOfDeferredCostsNetAbstract_887E46B6A6429E24D4A6DED77763E991" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Leasing Costs, Total Cost</link:label>
    <link:label id="lab_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F_label_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Leasing, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsLeasingGross" xlink:label="loc_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F" xlink:to="lab_us-gaap_DeferredCostsLeasingGross_17D16ECBB1398F0D2B89DED77763660F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Financing Costs, Total Cost</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Finance Costs, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45" xlink:to="lab_us-gaap_DeferredFinanceCostsGross_70891685D5A4971267C2DED777637E45" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5_totalLabel_en-US" xlink:label="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Cost</link:label>
    <link:label id="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5_label_en-US" xlink:label="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs Gross</link:label>
    <link:label id="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5_documentation_en-US" xlink:label="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Costs Gross.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCostsGross" xlink:label="loc_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:to="lab_bdn_DeferredCostsGross_D1A2EB4D9F78399383FCDED7776314D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65_negatedLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Leasing Costs, Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65_label_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Leasing, Accumulated Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsLeasingAccumulatedAmortization" xlink:label="loc_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65" xlink:to="lab_us-gaap_DeferredCostsLeasingAccumulatedAmortization_CBE0B3E294197B6B2FCDDED777636C65" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Financing Costs, Accumulated Amortization</link:label>
    <link:label id="lab_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1_label_en-US" xlink:label="lab_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Amortization, Deferred Finance Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedAmortizationDeferredFinanceCosts" xlink:label="loc_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1" xlink:to="lab_us-gaap_AccumulatedAmortizationDeferredFinanceCosts_804D922F5F8EEA0313B2DED77763B9E1" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C_negatedTotalLabel_en-US" xlink:label="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Total, Accumulated Amortization</link:label>
    <link:label id="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C_label_en-US" xlink:label="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs Accumulated Amortization</link:label>
    <link:label id="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C_documentation_en-US" xlink:label="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Costs Accumulated Amortization.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCostsAccumulatedAmortization" xlink:label="loc_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:to="lab_bdn_DeferredCostsAccumulatedAmortization_2F72BFCE35AD7F0A155DDED77763257C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Leasing Costs, Deferred Costs, net</link:label>
    <link:label id="lab_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F_label_en-US" xlink:label="lab_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Leasing, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCostsLeasingNet" xlink:label="loc_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F" xlink:to="lab_us-gaap_DeferredCostsLeasingNet_62C7F89527C86E454CDADED77763BB7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Financing Costs, Deferred Costs, net</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Finance Costs, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41" xlink:to="lab_us-gaap_DeferredFinanceCostsNet_5508106230B5A298E26BDED77763AE41" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCosts_7606E1CCA9C5F884492EDED77763FCA9_totalLabel_en-US" xlink:label="lab_us-gaap_DeferredCosts_7606E1CCA9C5F884492EDED77763FCA9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCosts" xlink:label="loc_us-gaap_DeferredCosts_7606E1CCA9C5F884492EDED77763FCA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCosts_7606E1CCA9C5F884492EDED77763FCA9" xlink:to="lab_us-gaap_DeferredCosts_7606E1CCA9C5F884492EDED77763FCA9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Option activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7" xlink:to="lab_us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_08573E51F000CB45D1B7DED7776396D7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's restricted share activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56" xlink:to="lab_us-gaap_ScheduleOfNonvestedRestrictedStockUnitsActivityTableTextBlock_9E4DFE5423ECDF277E68DED77763DD56" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_33FAF2F3140EEDEFA052DED777A9500A" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value by Asset Class [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E_label_en-US" xlink:label="lab_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset Class [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByAssetClassAxis" xlink:label="loc_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E" xlink:to="lab_us-gaap_FairValueByAssetClassAxis_F5C976A7458F0C0C59C5DED777B3954E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value by Asset Class [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_9EFE5F449E5E10503C33DED777B3944B" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_DC979A649515278D6C97DED777B332B2" xlink:type="arc" />
    <link:label id="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0_terseLabel_en-US" xlink:label="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted Average Fair Value Interest Rate on Debt</link:label>
    <link:label id="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0_label_en-US" xlink:label="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Fair Value Interest Rate on Debt</link:label>
    <link:label id="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0_documentation_en-US" xlink:label="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Fair Value Interest Rate on Debt Unobservable Input Fair Value Intererest Rates</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_WeightedAverageFairValueInterestRateOnDebt" xlink:label="loc_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:to="lab_bdn_WeightedAverageFairValueInterestRateOnDebt_A6625553F48F92531952DED777B340F0" xlink:type="arc" />
    <link:label id="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D_verboseLabel_en-US" xlink:label="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D_label_en-US" xlink:label="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Of Financial Instruments (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D_documentation_en-US" xlink:label="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FairValueOfFinancialInstrumentsTextualsAbstract" xlink:label="loc_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:to="lab_bdn_FairValueOfFinancialInstrumentsTextualsAbstract_F2918108C9905926BAF6DED777B3139D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross deferred gain on sale of properties</link:label>
    <link:label id="lab_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D_label_en-US" xlink:label="lab_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Gain on Sale of Property</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredGainOnSaleOfProperty" xlink:label="loc_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D" xlink:to="lab_us-gaap_DeferredGainOnSaleOfProperty_09D2AEFAB01186A4E07ADED777B34F4D" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of properties sold (in properties)</link:label>
    <link:label id="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E_label_en-US" xlink:label="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of properties sold</link:label>
    <link:label id="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E_documentation_en-US" xlink:label="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of properties sold.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfPropertiesSold" xlink:label="loc_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:to="lab_bdn_NumberOfPropertiesSold_F9EB66CF7B6EE03DC85BDED777B3325E" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesDPreferredStockMember_491376252E0E9FA106CABC328FE4ACCA_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesDPreferredStockMember_491376252E0E9FA106CABC328FE4ACCA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total Preferred Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesDPreferredStockMember" xlink:label="loc_us-gaap_SeriesDPreferredStockMember_491376252E0E9FA106CABC328FE4ACCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesDPreferredStockMember_491376252E0E9FA106CABC328FE4ACCA" xlink:to="lab_us-gaap_SeriesDPreferredStockMember_491376252E0E9FA106CABC328FE4ACCA" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common Stock</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD_label_en-US" xlink:label="lab_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD" xlink:to="lab_us-gaap_CommonStockMember_1BFE9E0EB1E98A08CB36BC328FE454BD" xlink:type="arc" />
    <link:label id="lab_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA_verboseLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Treasury Stock</link:label>
    <link:label id="lab_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA" xlink:to="lab_us-gaap_TreasuryStockMember_81508ADC99A68792DCB6BC328FE46BEA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Payable in Common Shares</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation, Share-based Payments [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7" xlink:to="lab_us-gaap_DeferredCompensationShareBasedPaymentsMember_9F3D5D91CABFDCD8B6D9BC328FE45AD7" xlink:type="arc" />
    <link:label id="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E_verboseLabel_en-US" xlink:label="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common Shares in Grantor Trust</link:label>
    <link:label id="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E_label_en-US" xlink:label="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock In Grantor Trust [Member]</link:label>
    <link:label id="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E_documentation_en-US" xlink:label="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common stock in grantor trust member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CommonStockInGrantorTrustMember" xlink:label="loc_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:to="lab_bdn_CommonStockInGrantorTrustMember_CD3BCF2853D10F7B8944BC328FE4204E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember_5C0308E9F7C7C1B23A8CBC328FE4D617" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative Earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C" xlink:to="lab_us-gaap_RetainedEarningsMember_6C7CB76F58944F6DBA28BC328FE4B51C" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B_verboseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss)</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_CF8678EE9B00D31E61F4BC328FE4674B" xlink:type="arc" />
    <link:label id="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE_verboseLabel_en-US" xlink:label="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total partners equity [Member]</link:label>
    <link:label id="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE_label_en-US" xlink:label="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total partners equity [Member]</link:label>
    <link:label id="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE_documentation_en-US" xlink:label="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total partners equity [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TotalPartnersEquityMember" xlink:label="loc_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:to="lab_bdn_TotalPartnersEquityMember_ABD6F34B490136B9C1AEBC328FE4F4FE" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85E377964A31F6210596BC328FE48982_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85E377964A31F6210596BC328FE48982" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85E377964A31F6210596BC328FE48982" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85E377964A31F6210596BC328FE48982" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_85E377964A31F6210596BC328FE48982" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5_periodStartLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning Balance, shares</link:label>
    <link:label id="lab_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5_label_en-US" xlink:label="lab_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5" xlink:to="lab_us-gaap_SharesIssued_9997E5D6571843F1A3C9BC328FE41BB5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62A948157CD383845E64BC328FE4A5F5_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62A948157CD383845E64BC328FE4A5F5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Comprehensive income (loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62A948157CD383845E64BC328FE4A5F5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62A948157CD383845E64BC328FE4A5F5" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62A948157CD383845E64BC328FE4A5F5" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Issuance of Common Shares of Beneficial Interest</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_F784F7BE3ED83095A8AABC328FE4E0E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7" xlink:to="lab_us-gaap_PreferredStockSharesIssued_BE0AB2B7CDEABCE84B6BBC328FE4D1E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockValue_F23653A92D79B972F998BC328FE4B21E_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue_F23653A92D79B972F998BC328FE4B21E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="loc_us-gaap_PreferredStockValue_F23653A92D79B972F998BC328FE4B21E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue_F23653A92D79B972F998BC328FE4B21E" xlink:to="lab_us-gaap_PreferredStockValue_F23653A92D79B972F998BC328FE4B21E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Including Additional Paid in Capital, Net of Discount</link:label>
    <link:label id="lab_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05_label_en-US" xlink:label="lab_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Including Additional Paid in Capital, Net of Discount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount" xlink:label="loc_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05" xlink:to="lab_us-gaap_PreferredStockIncludingAdditionalPaidInCapitalNetOfDiscount_D0CEC87602EE2D2A7956BC328FE44E05" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Issuance of Common Shares of Beneficial Interest, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_AFD505480530AFDF6D46BC328FE4F18D" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity issuance costs</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts_A3A3D684419EB4C0CD78BC328FE46637" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8_terseLabel_en-US" xlink:label="lab_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Redeemed or Called During Period, Shares</link:label>
    <link:label id="lab_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8_label_en-US" xlink:label="lab_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Redeemed or Called During Period, Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodShares" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8" xlink:to="lab_us-gaap_StockRedeemedOrCalledDuringPeriodShares_EB6C7280F4CDB02F38D2BC328FE48DF8" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Preferred Stock</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Preferred Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalPreferredStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1" xlink:to="lab_us-gaap_AdditionalPaidInCapitalPreferredStock_D0C08E371DCA918CAD4EBC328FE483B1" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E_terseLabel_en-US" xlink:label="lab_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Redeemed or Called During Period, Value</link:label>
    <link:label id="lab_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E_label_en-US" xlink:label="lab_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Redeemed or Called During Period, Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockRedeemedOrCalledDuringPeriodValue" xlink:label="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E" xlink:to="lab_us-gaap_StockRedeemedOrCalledDuringPeriodValue_30FDC535FEC15099A9D0BC328FE4D84E" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Conversion of LP Units to Common Shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Conversion of Units</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueConversionOfUnits_EF584811EDC94E885E5FBC328FE4D20B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Conversion of LP Units to Common Shares, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Conversion of Units</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits_850A31C76BE66FF8765DBC328FE49D74" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bonus Share Issuance</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_04603AD86214DF202E01BC328FE45D72" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonus Share Issuance, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_58A7801C79DE383335FBBC328FE48C7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Vesting of Restricted Shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Restricted Stock Award, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_46059020B9FDD35E4EBFBC328FE4F44B" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting of Restricted Shares, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_A38976F0E4196E8AE9E6BC328FE4C991" xlink:type="arc" />
    <link:label id="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137_verboseLabel_en-US" xlink:label="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted Share Amortization</link:label>
    <link:label id="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137_label_en-US" xlink:label="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock Amortization</link:label>
    <link:label id="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137_documentation_en-US" xlink:label="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Stock Amortization.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RestrictedStockAmortization" xlink:label="loc_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:to="lab_bdn_RestrictedStockAmortization_92B814C60DE9126406E0BC328FE4C137" xlink:type="arc" />
    <link:label id="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F_terseLabel_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting of Restricted Performance Units</link:label>
    <link:label id="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F_label_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Vesting of restricted performance units</link:label>
    <link:label id="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F_documentation_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Vesting of restricted performance units</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits" xlink:label="loc_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:to="lab_bdn_StockIssuedDuringPeriodValueVestingOfRestrictedPerformanceUnits_FA7C69D82D82B2AE672ABC328FE45B2F" xlink:type="arc" />
    <link:label id="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64_terseLabel_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting of Restricted Performance Units, shares</link:label>
    <link:label id="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64_label_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Vesting of restricted performance units</link:label>
    <link:label id="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64_documentation_en-US" xlink:label="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Vesting of restricted performance units</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits" xlink:label="loc_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:to="lab_bdn_StockIssuedDuringPeriodSharesVestingOfRestrictedPerformanceUnits_606E61C692AA671E519EBC328FE4EE64" xlink:type="arc" />
    <link:label id="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991_verboseLabel_en-US" xlink:label="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted Performance Units Amortization</link:label>
    <link:label id="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991_label_en-US" xlink:label="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Performance Units Amortization</link:label>
    <link:label id="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991_documentation_en-US" xlink:label="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Performance Units Amortization.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RestrictedPerformanceUnitsAmortization" xlink:label="loc_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:to="lab_bdn_RestrictedPerformanceUnitsAmortization_A62EEDB2B93B9734901FBC328FE4C991" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exercise of Stock Options</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Stock Options Exercised</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised_1AB56D38177B4992DA53BC328FE4A407" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exercise of Stock Options, shares</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_84C84EE145B24383014EBC328FE4164B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Option Amortization</link:label>
    <link:label id="lab_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA_label_en-US" xlink:label="lab_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of ESOP Award</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfESOPAward" xlink:label="loc_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA" xlink:to="lab_us-gaap_AmortizationOfESOPAward_9405A0F3D471F13A75ADBC328FE46BCA" xlink:type="arc" />
    <link:label id="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA_terseLabel_en-US" xlink:label="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization</link:label>
    <link:label id="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA_label_en-US" xlink:label="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization</link:label>
    <link:label id="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA_documentation_en-US" xlink:label="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OutperformancePlanAmortization" xlink:label="loc_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:to="lab_bdn_OutperformancePlanAmortization_BBC474781BEC87702D02BC328FE44EAA" xlink:type="arc" />
    <link:label id="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9_terseLabel_en-US" xlink:label="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization, shares</link:label>
    <link:label id="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9_label_en-US" xlink:label="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization Shares</link:label>
    <link:label id="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9_documentation_en-US" xlink:label="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outperformance Plan Amortization Shares</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OutperformancePlanAmortizationShares" xlink:label="loc_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:to="lab_bdn_OutperformancePlanAmortizationShares_5D2318702F1DA13543CCBC328FE463B9" xlink:type="arc" />
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F_terseLabel_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan</link:label>
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F_label_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Issuance from Deferred Compensation Plan</link:label>
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F_documentation_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareIssuanceFromDeferredCompensationPlan" xlink:label="loc_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:to="lab_bdn_ShareIssuanceFromDeferredCompensationPlan_1BB4F5BB9CF8CAFFC745BC328FE4291F" xlink:type="arc" />
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76_terseLabel_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan, shares</link:label>
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76_label_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Issuance from Deferred Compensation Plan shares</link:label>
    <link:label id="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76_documentation_en-US" xlink:label="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareIssuanceFromDeferredCompensationPlanShares" xlink:label="loc_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:to="lab_bdn_ShareIssuanceFromDeferredCompensationPlanShares_9C0F01FFAC31380C1EB2BC328FE4FD76" xlink:type="arc" />
    <link:label id="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF_terseLabel_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Choice Plan Issuance Shares</link:label>
    <link:label id="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF_label_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Choice Plan Issuance Shares</link:label>
    <link:label id="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF_documentation_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share choice plan issuance shares.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareChoicePlanIssuanceShares" xlink:label="loc_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:to="lab_bdn_ShareChoicePlanIssuanceShares_1D11F8493287AB243E51BC328FE444CF" xlink:type="arc" />
    <link:label id="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560_terseLabel_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Choice Plan Issuance</link:label>
    <link:label id="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560_label_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Choice Plan Issuance Value</link:label>
    <link:label id="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560_documentation_en-US" xlink:label="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Choice Plan Issuance Value.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareChoicePlanIssuanceValue" xlink:label="loc_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:to="lab_bdn_ShareChoicePlanIssuanceValue_455494C4C5BD1DA04395BC328FE45560" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Other</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, Other</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueOther" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueOther_EE4FE2D0501AF4C72013BC328FE4C500" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Other</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Other</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesOther_2545B4C0DC7BF0412363BC328FE4DC12" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Non-controlling Interest</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Additional Paid in Capital, Reallocation of Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84" xlink:to="lab_us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest_48F72EB442A12911D593BC328FE44E84" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPreferredStockCash_CE1AE37BCB03E1B3BECFBC328FE47205_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStockCash_CE1AE37BCB03E1B3BECFBC328FE47205" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Preferred Share distributions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="loc_us-gaap_DividendsPreferredStockCash_CE1AE37BCB03E1B3BECFBC328FE47205" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStockCash_CE1AE37BCB03E1B3BECFBC328FE47205" xlink:to="lab_us-gaap_DividendsPreferredStockCash_CE1AE37BCB03E1B3BECFBC328FE47205" xlink:type="arc" />
    <link:label id="lab_us-gaap_RedemptionPremium_54CD44FC9553F6954CEDBC328FE4CBB0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_RedemptionPremium_54CD44FC9553F6954CEDBC328FE4CBB0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Preferred share redemption charge</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RedemptionPremium" xlink:label="loc_us-gaap_RedemptionPremium_54CD44FC9553F6954CEDBC328FE4CBB0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RedemptionPremium_54CD44FC9553F6954CEDBC328FE4CBB0" xlink:to="lab_us-gaap_RedemptionPremium_54CD44FC9553F6954CEDBC328FE4CBB0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions declared ($0.45), and ($0.45) per share in September 30, 2012 and September 30, 2011, respectively</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock, Cash</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267" xlink:to="lab_us-gaap_DividendsCommonStockCash_9E3949F8DC06D0729463BC328FE42267" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_AC1DDA4D26424DB4FB0ABC328FE4E64A_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_AC1DDA4D26424DB4FB0ABC328FE4E64A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_AC1DDA4D26424DB4FB0ABC328FE4E64A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_AC1DDA4D26424DB4FB0ABC328FE4E64A" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_AC1DDA4D26424DB4FB0ABC328FE4E64A" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharesIssued_96CDFA668A5ABD72828BBC328FE4E1C4_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharesIssued_96CDFA668A5ABD72828BBC328FE4E1C4" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending Balance, shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharesIssued" xlink:label="loc_us-gaap_SharesIssued_96CDFA668A5ABD72828BBC328FE4E1C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesIssued_96CDFA668A5ABD72828BBC328FE4E1C4" xlink:to="lab_us-gaap_SharesIssued_96CDFA668A5ABD72828BBC328FE4E1C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">INTANGIBLE ASSETS</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC" xlink:to="lab_us-gaap_IntangibleAssetsDisclosureTextBlock_1FFECEF5B57C5369E7F3DED7774550DC" xlink:type="arc" />
    <link:label id="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC_verboseLabel_en-US" xlink:label="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gross carrying value of the Company's Properties</link:label>
    <link:label id="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC_label_en-US" xlink:label="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Rental Properties [Table Text Block]</link:label>
    <link:label id="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC_documentation_en-US" xlink:label="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of rental properties.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ScheduleOfRentalPropertiesTableTextBlock" xlink:label="loc_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:to="lab_bdn_ScheduleOfRentalPropertiesTableTextBlock_A521B0E33A36ED9D69A6DED7776D1EEC" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69_label_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69" xlink:to="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_F53A312168FF99DDAA0EBD0F16A0FD69" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instrument Risk [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument Risk [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis_8D220B8A711C45963F82BD0F16A1E680" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Contract Type [Domain]</link:label>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Contract Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E" xlink:to="lab_us-gaap_DerivativeContractTypeDomain_1A023C62DAE70D49D3F1BD0F16A16E7E" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:label id="lab_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02_label_en-US" xlink:label="lab_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Swap [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02" xlink:to="lab_us-gaap_InterestRateSwapMember_7FDE4594D55F49D19B56BD0F16A17B02" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1" xlink:to="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4230EA9A5DBF966ADD3CBD0F16A160C1" xlink:type="arc" />
    <link:label id="lab_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:label id="lab_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1_label_en-US" xlink:label="lab_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Relationship [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1" xlink:to="lab_us-gaap_HedgingRelationshipDomain_8C2B7FB61BA1C5D59DBABD0F16A184D1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Flow Hedging [Member]</link:label>
    <link:label id="lab_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173_label_en-US" xlink:label="lab_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow Hedging [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173" xlink:to="lab_us-gaap_CashFlowHedgingMember_3C95F0AB592242C11F7BBD0F16A1A173" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, by Nature [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488_label_en-US" xlink:label="lab_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, by Nature [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeByNatureAxis" xlink:label="loc_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488" xlink:to="lab_us-gaap_DerivativeByNatureAxis_41DB2D6D8DBF1C35BCD4BD0F16A1E488" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6_label_en-US" xlink:label="lab_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeNameDomain" xlink:label="loc_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6" xlink:to="lab_us-gaap_DerivativeNameDomain_8C893B76032EB8ACDF21BD0F16A1A4D6" xlink:type="arc" />
    <link:label id="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823_terseLabel_en-US" xlink:label="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3.623% Interest Rate Swap Maturing February 1, 2019 [Member]</link:label>
    <link:label id="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823_label_en-US" xlink:label="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">3.623% Interest Rate Swap Maturing February 1, 2019 [Member]</link:label>
    <link:label id="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823_documentation_en-US" xlink:label="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3.623% Interest Rate Swap Maturing February 1, 2019 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A3623InterestRateSwapMaturingFebruary12019Member" xlink:label="loc_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:to="lab_bdn_A3623InterestRateSwapMaturingFebruary12019Member_10C4308EE33E428D797CBD0F16A1A823" xlink:type="arc" />
    <link:label id="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99_terseLabel_en-US" xlink:label="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.702% Interest Rate Swap Maturing February 1, 2016 [Member]</link:label>
    <link:label id="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99_label_en-US" xlink:label="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.702% Interest Rate Swap Maturing February 1, 2016 [Member]</link:label>
    <link:label id="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99_documentation_en-US" xlink:label="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.702% Interest Rate Swap Maturing February 1, 2016 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2702InterestRateSwapMaturingFebruary12016Member" xlink:label="loc_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:to="lab_bdn_A2702InterestRateSwapMaturingFebruary12016Member_831C8122260FECE6C292BD0F16A2CD99" xlink:type="arc" />
    <link:label id="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C_terseLabel_en-US" xlink:label="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.470% Interest Rate Swap Maturing February 1, 2015 [Member]</link:label>
    <link:label id="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C_label_en-US" xlink:label="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.470% Interest Rate Swap Maturing February 1, 2015 [Member]</link:label>
    <link:label id="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C_documentation_en-US" xlink:label="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.470% Interest Rate Swap Maturing February 1, 2015 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2470InterestRateSwapMaturingFebruary12015Member" xlink:label="loc_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:to="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_2A93C33E2C5BA887CEFDBD0F16A2368C" xlink:type="arc" />
    <link:label id="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C_terseLabel_en-US" xlink:label="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.513% Interest Rate Swap Maturing May 1, 2015 [Member]</link:label>
    <link:label id="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C_label_en-US" xlink:label="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.513% Interest Rate Swap Maturing May 1, 2015 [Member]</link:label>
    <link:label id="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C_documentation_en-US" xlink:label="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.513% Interest Rate Swap Maturing May 1, 2015 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2513InterestRateSwapMaturingMay12015Member" xlink:label="loc_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:to="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_110ABD8C7DFCFAC8B0D1BD0F16A2FC7C" xlink:type="arc" />
    <link:label id="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858_terseLabel_en-US" xlink:label="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.750% Interest Rate Swap Maturing September 30, 2017 [Member]</link:label>
    <link:label id="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858_label_en-US" xlink:label="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.750% Interest Rate Swap Maturing September 30, 2017 [Member]</link:label>
    <link:label id="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858_documentation_en-US" xlink:label="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.750% Interest Rate Swap Maturing September 30, 2017 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2750InterestRateSwapMaturingSeptember302017Member" xlink:label="loc_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:to="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_F2902BC58E9441FA94D0BD0F16A2A858" xlink:type="arc" />
    <link:label id="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00_terseLabel_en-US" xlink:label="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3.300% Interest Rate Swap Maturing January 30, 2021 [Member]</link:label>
    <link:label id="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00_label_en-US" xlink:label="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">3.300% Interest Rate Swap Maturing January 30, 2021 [Member]</link:label>
    <link:label id="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00_documentation_en-US" xlink:label="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3.300% Interest Rate Swap Maturing January 30, 2021 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A3300InterestRateSwapMaturingJanuary302021Member" xlink:label="loc_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:to="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_072DB1CD6193C039BEAEBD0F16A29B00" xlink:type="arc" />
    <link:label id="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86_terseLabel_en-US" xlink:label="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.780% Interest Rate Swap Maturing August 1, 2016 [Member]</link:label>
    <link:label id="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86_label_en-US" xlink:label="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.780% Interest Rate Swap Maturing August 1, 2016 [Member]</link:label>
    <link:label id="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86_documentation_en-US" xlink:label="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.780% Interest Rate Swap Maturing August 1, 2016 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2780InterestRateSwapMaturingAugust12016Member" xlink:label="loc_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:to="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_EE7E625AA28E174912ABBD0F16A28B86" xlink:type="arc" />
    <link:label id="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7_terseLabel_en-US" xlink:label="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2.910% Interest Rate Swap Maturing February 1, 2017 [Member]</link:label>
    <link:label id="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7_label_en-US" xlink:label="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">2.910% Interest Rate Swap Maturing February 1, 2017 [Member]</link:label>
    <link:label id="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7_documentation_en-US" xlink:label="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.910% Interest Rate Swap Maturing February 1, 2017 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A2910InterestRateSwapMaturingFebruary12017Member" xlink:label="loc_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:to="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_F34220D4D5631195BCFEBD0F16A2ACC7" xlink:type="arc" />
    <link:label id="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B_terseLabel_en-US" xlink:label="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">3.090% Interest Rate Swap Maturing October 30, 2019 [Member]</link:label>
    <link:label id="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B_label_en-US" xlink:label="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">3.090% Interest Rate Swap Maturing October 30, 2019 [Member]</link:label>
    <link:label id="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B_documentation_en-US" xlink:label="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3.090% Interest Rate Swap Maturing October 30, 2019 [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_A3090InterestRateSwapMaturingOctober302019Member" xlink:label="loc_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:to="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FE774CAA42ACDB9BB1A2BD0F16A2A00B" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativesFairValueLineItems" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB" xlink:to="lab_us-gaap_DerivativesFairValueLineItems_1EF9A21C385A37F5391ABD0F16A2C1EB" xlink:type="arc" />
    <link:label id="lab_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083_terseLabel_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional Amount</link:label>
    <link:label id="lab_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083_label_en-US" xlink:label="lab_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083" xlink:to="lab_invest_DerivativeNotionalAmount_022345F3F35655FEF3D5BD0F16A27083" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, Fixed Interest Rate</link:label>
    <link:label id="lab_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326_label_en-US" xlink:label="lab_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fixed Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326" xlink:to="lab_us-gaap_DerivativeFixedInterestRate_F67A065AFF7E72531F59BDF435A55326" xlink:type="arc" />
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeNet" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeNet_086FC7AD780D36C348C3BD0F16A23354" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_8E5ABB56CDA317EFCFC02D182A8A8400" xlink:type="arc" />
    <link:label id="lab_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259_verboseLabel_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Letter of Credit [Member]</link:label>
    <link:label id="lab_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259_label_en-US" xlink:label="lab_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="loc_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259" xlink:to="lab_us-gaap_LetterOfCreditMember_7683F870102EC36325BB2C2FB4C3F259" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03" xlink:to="lab_us-gaap_LineOfCreditMember_5E5EBA48F61EBCAB72282C2FB4C36D03" xlink:type="arc" />
    <link:label id="lab_bdn_BankTermLoanAndCreditFacilityMember_DD9F270AFB3E0B410ED32C2FB4C3F05D_verboseLabel_en-US" xlink:label="lab_bdn_BankTermLoanAndCreditFacilityMember_DD9F270AFB3E0B410ED32C2FB4C3F05D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bank Term Loan and the Credit Facility [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BankTermLoanAndCreditFacilityMember" xlink:label="loc_bdn_BankTermLoanAndCreditFacilityMember_DD9F270AFB3E0B410ED32C2FB4C3F05D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BankTermLoanAndCreditFacilityMember_DD9F270AFB3E0B410ED32C2FB4C3F05D" xlink:to="lab_bdn_BankTermLoanAndCreditFacilityMember_DD9F270AFB3E0B410ED32C2FB4C3F05D" xlink:type="arc" />
    <link:label id="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C_verboseLabel_en-US" xlink:label="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012 [Member]</link:label>
    <link:label id="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C_label_en-US" xlink:label="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Three [Member]</link:label>
    <link:label id="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C_documentation_en-US" xlink:label="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteThreeMember" xlink:label="loc_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:to="lab_bdn_NoteThreeMember_C43120C71D10D04A537A2C2FB4C3047C" xlink:type="arc" />
    <link:label id="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D_verboseLabel_en-US" xlink:label="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014 [Member]</link:label>
    <link:label id="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D_label_en-US" xlink:label="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Four [Member]</link:label>
    <link:label id="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D_documentation_en-US" xlink:label="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteFourMember" xlink:label="loc_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:to="lab_bdn_NoteFourMember_30C3EF49F9189A3ECB862C2FB4C3417D" xlink:type="arc" />
    <link:label id="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837_verboseLabel_en-US" xlink:label="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015 [Member]</link:label>
    <link:label id="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837_label_en-US" xlink:label="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Five [Member]</link:label>
    <link:label id="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837_documentation_en-US" xlink:label="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteFiveMember" xlink:label="loc_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:to="lab_bdn_NoteFiveMember_C49D9083054092BD95732C2FB4C39837" xlink:type="arc" />
    <link:label id="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B_verboseLabel_en-US" xlink:label="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016 [Member]</link:label>
    <link:label id="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B_label_en-US" xlink:label="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Six [Member]</link:label>
    <link:label id="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B_documentation_en-US" xlink:label="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteSixMember" xlink:label="loc_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:to="lab_bdn_NoteSixMember_062F3958848381A31E412C2FB4C3CB6B" xlink:type="arc" />
    <link:label id="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D_verboseLabel_en-US" xlink:label="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017 [Member]</link:label>
    <link:label id="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D_label_en-US" xlink:label="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Seven [Member]</link:label>
    <link:label id="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D_documentation_en-US" xlink:label="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteSevenMember" xlink:label="loc_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:to="lab_bdn_NoteSevenMember_DB9A86928729774AF7902C2FB4C3752D" xlink:type="arc" />
    <link:label id="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78_verboseLabel_en-US" xlink:label="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$325.0M 4.950% Guaranteed Notes due 2018 [Member]</link:label>
    <link:label id="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78_label_en-US" xlink:label="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Eight [Member]</link:label>
    <link:label id="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78_documentation_en-US" xlink:label="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note Eight Member.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NoteEightMember" xlink:label="loc_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:to="lab_bdn_NoteEightMember_B2450CD6D83E3F34C6A62C2FB4C3BC78" xlink:type="arc" />
    <link:label id="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5_terseLabel_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Three Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5_label_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Three Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5_documentation_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Three Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ThreeYearTermLoanMember" xlink:label="loc_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:to="lab_bdn_ThreeYearTermLoanMember_90D16C09BC21DF1617482C2FB4C334C5" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A_label_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FourYearTermLoanMember" xlink:label="loc_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:to="lab_bdn_FourYearTermLoanMember_9AC6329DB71934987CCA2C2FB4C4580A" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnsecuredDebtMember_FDD4CEE908300C51CECE2C2FB4C44A5B_verboseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebtMember_FDD4CEE908300C51CECE2C2FB4C44A5B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_FDD4CEE908300C51CECE2C2FB4C44A5B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebtMember_FDD4CEE908300C51CECE2C2FB4C44A5B" xlink:to="lab_us-gaap_UnsecuredDebtMember_FDD4CEE908300C51CECE2C2FB4C44A5B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678_terseLabel_en-US" xlink:label="lab_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participating Mortgage Loans [Line Items]</link:label>
    <link:label id="lab_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678_label_en-US" xlink:label="lab_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Participating Mortgage Loans [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ParticipatingMortgageLoansLineItems" xlink:label="loc_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678" xlink:to="lab_us-gaap_ParticipatingMortgageLoansLineItems_6677A0A80FBC83361FA32C2FB4C4E678" xlink:type="arc" />
    <link:label id="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E_verboseLabel_en-US" xlink:label="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt obligations (Textuals)</link:label>
    <link:label id="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E_label_en-US" xlink:label="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Obligations (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E_documentation_en-US" xlink:label="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Obligations Textuals Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DebtObligationsTextualsAbstract" xlink:label="loc_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:to="lab_bdn_DebtObligationsTextualsAbstract_8A69D0ED0726EE1C3A8B2C2FB4C4832E" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_C26F321D577FB3A73A192C2FB4C4DEBC" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, face amount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount_F6EBAEF6F71966FD24402C2FB4C41395" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of Unsecured Debt</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Unsecured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF" xlink:to="lab_us-gaap_RepaymentsOfUnsecuredDebt_37ADE00445A34407AE172C2FB4C47BBF" xlink:type="arc" />
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A_verboseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit outstanding</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount_7C3099BB59A56D7058622C2FB4C56F0A" xlink:type="arc" />
    <link:label id="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA_terseLabel_en-US" xlink:label="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option for additional borrowings subject to customary conditions and limitations</link:label>
    <link:label id="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA_label_en-US" xlink:label="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Option for Additional Borrowing Capacity subject to customary conditions and limitations</link:label>
    <link:label id="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA_documentation_en-US" xlink:label="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Option for Additional Borrowing Capacity subject to customary conditions and limitations</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations" xlink:label="loc_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:to="lab_bdn_LineOfCreditFacilityOptionForAdditionalBorrowingCapacitySubjectToCustomaryConditionsAndLimitations_B6963EC222BF157EBD192C2FB4C5B0BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unused availability under the Credit Facility</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_2004593BA7E2C80D97022C2FB4C50FA0" xlink:type="arc" />
    <link:label id="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464_verboseLabel_en-US" xlink:label="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">BENEFICIARIES' EQUITY OF THE PARENT COMPANY</link:label>
    <link:label id="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464_label_en-US" xlink:label="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Beneficiaries Equity [Text Block]</link:label>
    <link:label id="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464_documentation_en-US" xlink:label="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Beneficiaries' Equity.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BeneficiariesEquityTextBlock" xlink:label="loc_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:to="lab_bdn_BeneficiariesEquityTextBlock_2BE188B46C9A6A9230B4DED777459464" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9386E0D13D906A95F312BC763E4A736C" xlink:type="arc" />
    <link:label id="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88_terseLabel_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Types Of Debt And Equity Securities [Axis]</link:label>
    <link:label id="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88_label_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Types of Debt and Equity Securities [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88" xlink:to="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_6BF0D4D7F795A18AB276BC763E4B4C88" xlink:type="arc" />
    <link:label id="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE_terseLabel_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Types of Debt and Equity Securities [Domain]</link:label>
    <link:label id="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE_label_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Types of Debt and Equity Securities [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE" xlink:to="lab_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_154C51FEE4063C842142BC763E4B9FAE" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities [Member]</link:label>
    <link:label id="lab_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C_label_en-US" xlink:label="lab_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableforsaleSecuritiesMember" xlink:label="loc_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C" xlink:to="lab_us-gaap_AvailableforsaleSecuritiesMember_D7CF02BF74972FCE4256BC763E4BCC7C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D" xlink:to="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_26B40E33BF8B4742C885BC763E4B136D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_F769009FD2DD7B3D880ABC763E4B8C21" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF" xlink:to="lab_us-gaap_FairValueInputsLevel1Member_EB1C64D61C917939F3ADBC763E4BA9CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Significant Other Observable Inputs (Level 2) [Member]</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069" xlink:to="lab_us-gaap_FairValueInputsLevel2Member_98B73D7B5E86DD2A5684BC763E4C8069" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unobservable Inputs (Level 3) [Member]</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537" xlink:to="lab_us-gaap_FairValueInputsLevel3Member_F341C73C5EE70355F9E2BC763E4C8537" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value by Measurement Frequency [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4_label_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4" xlink:to="lab_us-gaap_FairValueByMeasurementFrequencyAxis_F32682C927067EBBE0C1BC763E4C1AD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement Frequency [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE" xlink:to="lab_us-gaap_FairValueMeasurementFrequencyDomain_ED53759C4541EF06ABEEBC763E4C49CE" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recurring [Member]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Recurring [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0" xlink:to="lab_us-gaap_FairValueMeasurementsRecurringMember_FF15F0685D6CD7E85ECBBC763E4C30E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_042E7DEC18CAE754248DBC763E4CE054" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Current</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesCurrent" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesCurrent_41707144DFD6B42DB10DBC763E4C9542" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A" xlink:to="lab_us-gaap_LiabilitiesAbstract_B3787F2B8B175AF0BB41BC763E4C943A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Swaps</link:label>
    <link:label id="lab_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA_label_en-US" xlink:label="lab_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Fair Value Disclosure</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA" xlink:to="lab_us-gaap_LiabilitiesFairValueDisclosure_6603EC85472BECAE56D9BC763E4C03BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB_verboseLabel_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:label>
    <link:label id="lab_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB_label_en-US" xlink:label="lab_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB" xlink:to="lab_us-gaap_SignificantAccountingPoliciesTextBlock_CBBC3440FCEA5EB6F7B7DED77763ABEB" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk by Benchmark [Axis]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00" xlink:to="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0498B99401C3D0C8D247BD0F170B0C00" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01" xlink:to="lab_us-gaap_ConcentrationRiskBenchmarkDomain_17AC79A9DA40204B7D80BD0F170BAF01" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Assets [Member]</link:label>
    <link:label id="lab_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200_label_en-US" xlink:label="lab_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Total [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsTotalMember" xlink:label="loc_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200" xlink:to="lab_us-gaap_AssetsTotalMember_407DDAC1678327AE748CBD0F170C1200" xlink:type="arc" />
    <link:label id="lab_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48_verboseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liabilities [Member]</link:label>
    <link:label id="lab_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48_label_en-US" xlink:label="lab_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities, Total [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesTotalMember" xlink:label="loc_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48" xlink:to="lab_us-gaap_LiabilitiesTotalMember_D62E7800DFCC1431B7C1BD0F170CCE48" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Annual amortization of intangible assets and liabilities</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_ABDF16BF6220D0902C69BD0F170CD09E" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2012 (three months remaining)</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_E94A19E3062544AA865FBD0F170C43F3" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7D23188BBF88D9E0CCA6BD0F170CA90A" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_FF8FFA2B6A52FC7B0C51BD0F170C3D7D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_125EABCBFE8C5306BD3EBD0F170C48B6" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_0649486641A11F4A90E9BD0F170C8DE7" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_D846DBF0E444F0739870BD0F170C8D1D" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_3B422CFF056B276D0D79BD0F170C9E88_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_3B422CFF056B276D0D79BD0F170C9E88" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3B422CFF056B276D0D79BD0F170C9E88" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_3B422CFF056B276D0D79BD0F170C9E88" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_3B422CFF056B276D0D79BD0F170C9E88" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_16BDB026C22F3033FC55DED777777657_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_16BDB026C22F3033FC55DED777777657" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discontinued Operations and Disposal Groups [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_16BDB026C22F3033FC55DED777777657" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_16BDB026C22F3033FC55DED777777657" xlink:to="lab_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_16BDB026C22F3033FC55DED777777657" xlink:type="arc" />
    <link:label id="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04_verboseLabel_en-US" xlink:label="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue and expenses information for the property classified as discontinued operations</link:label>
    <link:label id="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04_label_en-US" xlink:label="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue And Expense Information For Property Classified As Discontinued Operations [Table Text Block]</link:label>
    <link:label id="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04_documentation_en-US" xlink:label="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue and expense information for property classified as discontinued operations table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock" xlink:label="loc_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:to="lab_bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTableTextBlock_367CD6B9BDB0FABD1226DED777771F04" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disclosure of Long Lived Assets Held-for-sale [Table Text Block]</link:label>
    <link:label id="lab_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08_label_en-US" xlink:label="lab_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosure of Long Lived Assets Held-for-sale [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock" xlink:label="loc_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08" xlink:to="lab_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock_6EB72C97AEA4F34B614ADED777771D08" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C_verboseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">DISCONTINUED OPERATIONS</link:label>
    <link:label id="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C_label_en-US" xlink:label="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C" xlink:to="lab_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_1A95E3490753E2DAECDFDED77759E93C" xlink:type="arc" />
    <link:label id="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3_verboseLabel_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Consolidated debt obligations</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3_label_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Debt Obligations [Table Text Block]</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3_documentation_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated debt obligations table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ConsolidatedDebtObligationsTableTextBlock" xlink:label="loc_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:to="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_3B9F96179309EB6D7070DED77759ACA3" xlink:type="arc" />
    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2_verboseLabel_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of debt repurchases</link:label>
    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2_label_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary Of Debt Repurchases [Table Text Block]</link:label>
    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2_documentation_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of debt repurchases table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SummaryOfDebtRepurchasesTableTextBlock" xlink:label="loc_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:to="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_140E16DBB6AFFF7875CDDED77759B7C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of principal payments of debt obligations</link:label>
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock" xlink:label="loc_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690" xlink:to="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF8B4266CABC1C01A672DED77759A690" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_B9CCC3A134668A97A6A6BCF34A8F60F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net loss to net cash from operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E_label_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E" xlink:to="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_F8922F9FB1663321C84FBCF34A8F304E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA_label_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA" xlink:to="lab_us-gaap_DepreciationDepletionAndAmortization_97ECD99B0DFBD5D9C828BCF34A8F3BEA" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_2FA7812EAFFD202CA28DBCF34A8F1F8E_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_2FA7812EAFFD202CA28DBCF34A8F1F8E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred financing costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_2FA7812EAFFD202CA28DBCF34A8F1F8E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts_2FA7812EAFFD202CA28DBCF34A8F1F8E" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts_2FA7812EAFFD202CA28DBCF34A8F1F8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of debt discount/(premium), net</link:label>
    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8_label_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Discount (Premium)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8" xlink:to="lab_us-gaap_AmortizationOfDebtDiscountPremium_98ECBC055A7D6548A9B3BCF34A8F23E8" xlink:type="arc" />
    <link:label id="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751_terseLabel_en-US" xlink:label="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of stock compensation costs</link:label>
    <link:label id="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751_label_en-US" xlink:label="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of stock compensation costs</link:label>
    <link:label id="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751_documentation_en-US" xlink:label="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amortization of stock compensation costs</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmortizationOfStockCompensationCosts" xlink:label="loc_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:to="lab_bdn_AmortizationOfStockCompensationCosts_C1E6458DDCC826385B3FBCF34A8FE751" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980_terseLabel_en-US" xlink:label="lab_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares used for employee taxes upon vesting of share awards</link:label>
    <link:label id="lab_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980_label_en-US" xlink:label="lab_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock or Unit Option Plan Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockOptionPlanExpense" xlink:label="loc_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980" xlink:to="lab_us-gaap_StockOptionPlanExpense_BF32527E409076721223BCF34A995980" xlink:type="arc" />
    <link:label id="lab_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7_verboseLabel_en-US" xlink:label="lab_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Straight-line rent income</link:label>
    <link:label id="lab_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7_label_en-US" xlink:label="lab_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Straight Line Rent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StraightLineRent" xlink:label="loc_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7" xlink:to="lab_us-gaap_StraightLineRent_AF3212A3870C6E10EC51BCF34A990EA7" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of above (below) Market Leases, Net</link:label>
    <link:label id="lab_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D_label_en-US" xlink:label="lab_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of above and below Market Leases</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfAboveAndBelowMarketLeases" xlink:label="loc_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D" xlink:to="lab_us-gaap_AmortizationOfAboveAndBelowMarketLeases_1A2A00BA37DB510855FFBCF34A99BF8D" xlink:type="arc" />
    <link:label id="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD_verboseLabel_en-US" xlink:label="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Straight-line ground rent expense</link:label>
    <link:label id="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD_label_en-US" xlink:label="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Straight Line Ground Rent Expense</link:label>
    <link:label id="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD_documentation_en-US" xlink:label="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Straight Line Ground Rent Expense.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_StraightLineGroundRentExpense" xlink:label="loc_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:to="lab_bdn_StraightLineGroundRentExpense_E4A676A82875E8F8ABA8BCF34A9945AD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B_verboseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for doubtful accounts</link:label>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B_label_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Provision for Doubtful Accounts</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts_14D802BDD640C6F4FF9EBCF34A995F7B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Real estate venture income in excess of distributions</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Equity Method Investments, Net of Dividends or Distributions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions_08F15249ECBD69635061BCF34A99E221" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3_negatedLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net gain on sale of interests in real estate</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Properties</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="loc_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3" xlink:to="lab_us-gaap_GainLossOnSaleOfProperties_C5333B87268A331D5816BCF34A995DD3" xlink:type="arc" />
    <link:label id="lab_bdn_LossOnRealEstateVentureFormation_6183A43D10B9D7DF4715BCF34A999A1A_terseLabel_en-US" xlink:label="lab_bdn_LossOnRealEstateVentureFormation_6183A43D10B9D7DF4715BCF34A999A1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss on real estate venture formation</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LossOnRealEstateVentureFormation" xlink:label="loc_bdn_LossOnRealEstateVentureFormation_6183A43D10B9D7DF4715BCF34A999A1A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LossOnRealEstateVentureFormation_6183A43D10B9D7DF4715BCF34A999A1A" xlink:to="lab_bdn_LossOnRealEstateVentureFormation_6183A43D10B9D7DF4715BCF34A999A1A" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_EED18B2C1DDFFBB1AFF8BCF34A99BA34_negatedLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_EED18B2C1DDFFBB1AFF8BCF34A99BA34" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loss on early extinguishment of debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_EED18B2C1DDFFBB1AFF8BCF34A99BA34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_EED18B2C1DDFFBB1AFF8BCF34A99BA34" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_EED18B2C1DDFFBB1AFF8BCF34A99BA34" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeTaxCreditsAndAdjustments_86D2AB0659EDCA53D0CFBCF34A994ACC_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxCreditsAndAdjustments_86D2AB0659EDCA53D0CFBCF34A994ACC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Historic tax credit transaction income</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxCreditsAndAdjustments" xlink:label="loc_us-gaap_IncomeTaxCreditsAndAdjustments_86D2AB0659EDCA53D0CFBCF34A994ACC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxCreditsAndAdjustments_86D2AB0659EDCA53D0CFBCF34A994ACC" xlink:to="lab_us-gaap_IncomeTaxCreditsAndAdjustments_86D2AB0659EDCA53D0CFBCF34A994ACC" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Changes in assets and liabilities:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_5CB3F6A768454EF4F592BCF34A99136A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsReceivable_96C4A8E164446FB011BABCF34A998461" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingAssets_0C9817581615F97B5AC0BCF34A99AAD6" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued expenses</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_99BB31E2D4E898EF4E38BCF34A99A5BC" xlink:type="arc" />
    <link:label id="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA_terseLabel_en-US" xlink:label="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred income, gains and rent</link:label>
    <link:label id="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA_label_en-US" xlink:label="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Deferred Income Gains And Rents</link:label>
    <link:label id="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA_documentation_en-US" xlink:label="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase decrease in deferred income gains and rents.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents" xlink:label="loc_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:to="lab_bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_90B1F91DA750371FFF0FBCF34A997BBA" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Deferred financing obligation</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Deferred Charges</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredCharges" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C" xlink:to="lab_us-gaap_IncreaseDecreaseInDeferredCharges_356FB8C2B82B36B4D7FBBCF34A99DE8C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_9269527AFF9FC4079946BCF34A99FFC0" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash from operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_59A64957E7252F611023BCF34A99FDC9" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from investing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_2E7EA3C12C130D6794EDBCF34A990F05" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Acquisition of properties</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Real Estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D" xlink:to="lab_us-gaap_PaymentsToAcquireRealEstate_BA94E7F50C7DD2E1F0CABCF34A99626D" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Investments in Available-for-sale Securities, Debt</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Available-for-sale Securities, Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314" xlink:to="lab_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_35818261BCC384F50F39BCF34A994314" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from the sale of available-for-sale securities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Available-for-sale Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A" xlink:to="lab_us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities_9D254EB1C26DA86EF273BCF34A99676A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Sales of properties, net</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D" xlink:to="lab_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_B8035B422812B76507A7BCF34A99838D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from repayment of mortgage notes receivable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale and Collection of Mortgage Notes Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723" xlink:to="lab_us-gaap_ProceedsFromSaleAndCollectionOfMortgageNotesReceivable_5B227A1DFC293FD197A9BCF34A99D723" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Capital expenditures</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire and Develop Real Estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAndDevelopRealEstate" xlink:label="loc_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5" xlink:to="lab_us-gaap_PaymentsToAcquireAndDevelopRealEstate_CD0A2351C8BF11EA8A85BCF34A9965A5" xlink:type="arc" />
    <link:label id="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A_negatedLabel_en-US" xlink:label="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Advances for purchase of tenant assets, net of repayments</link:label>
    <link:label id="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A_label_en-US" xlink:label="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances To Tenant For Purchase Of Tenant Assets</link:label>
    <link:label id="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A_documentation_en-US" xlink:label="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advances to tenant for purchase of tenant assets.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AdvancesToTenantForPurchaseOfTenantAssets" xlink:label="loc_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:to="lab_bdn_AdvancesToTenantForPurchaseOfTenantAssets_1C213C6C6F1070A39077BCF34A990E8A" xlink:type="arc" />
    <link:label id="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91_negatedLabel_en-US" xlink:label="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loan provided to unconsolidated Real Estate Venture partner</link:label>
    <link:label id="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91_label_en-US" xlink:label="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Provided To Real Estate Venture Partner</link:label>
    <link:label id="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91_documentation_en-US" xlink:label="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan provided to an unconsolidated Real Estate Venture partner.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LoanProvidedToRealEstateVenturePartner" xlink:label="loc_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:to="lab_bdn_LoanProvidedToRealEstateVenturePartner_11D12462C5C342CA9597BCF34A99EB91" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Investment in unconsolidated Real Estate Ventures</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Equity Method Investments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5" xlink:to="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_61CA952605B1A2F6CCEEBCF34A990ED5" xlink:type="arc" />
    <link:label id="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash distributions from unconsolidated Real Estate Ventures in excess of cumulative equity income</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Equity Method Investment, Dividends or Distributions</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F" xlink:to="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_5302009F5DC2A44191FDBCF34A99673F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Leasing costs</link:label>
    <link:label id="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD_label_en-US" xlink:label="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Leasing Costs, Commissions, and Tenant Improvements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements" xlink:label="loc_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD" xlink:to="lab_us-gaap_PaymentsForLeasingCostsCommissionsAndTenantImprovements_022B50D3F0CCE9C6BABBBCF34AA333DD" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash from (used in) investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_93B0F67FC2E1835BB202BCF34AA343D6" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_C5350D09DACCB94ABC66BCF34AA3D743" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from New Unsecured Term Loans</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Unsecured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_87F73A5D7DB67BF20CD3BCF34AA3A56D" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Credit Facility</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Long-term Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8" xlink:to="lab_us-gaap_ProceedsFromLongTermLinesOfCredit_3F0F5D74096FE347DEFCBCF34AA384F8" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments of Credit Facility</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Long-term Lines of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96" xlink:to="lab_us-gaap_RepaymentsOfLongTermLinesOfCredit_528B5509C109EB53E0FABCF34AA30F96" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments of mortgage notes payable</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42" xlink:to="lab_us-gaap_RepaymentsOfSecuredDebt_DF89E249398229950268BCF34AA3BC42" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from unsecured notes</link:label>
    <link:label id="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA_label_en-US" xlink:label="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Unsecured Notes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:label="loc_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA" xlink:to="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_269927AAB08FDE90EBBDBCF34AA3D4BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992_terseLabel_en-US" xlink:label="lab_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred financing obligation non-cash interest expense</link:label>
    <link:label id="lab_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992_label_en-US" xlink:label="lab_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction" xlink:label="loc_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992" xlink:to="lab_us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction_01931F2737CE3A2B7325BCF34AA30992" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Proceeds from Issuance of Common Stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_752DAA53CE2A241334C2BCF34AA34C14" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Proceeds from Issuance of Preferred Stock and Preference Stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Preferred Stock and Preference Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStock_CC5CAA4D9996EF662856BCF34AA32274" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Redemption of preferred units</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Preferred Stock and Preference Stock</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock_CE6C90EDC188AFE33955BCF34AA3CFF3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments from unsecured notes</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Notes Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="loc_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E" xlink:to="lab_us-gaap_RepaymentsOfNotesPayable_96FC37D2C75078755496BCF34AA30A2E" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfUnsecuredDebt_510D937B0BB8989E2221BCF34AA3890B_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfUnsecuredDebt_510D937B0BB8989E2221BCF34AA3890B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments of unsecured term loan</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:label="loc_us-gaap_RepaymentsOfUnsecuredDebt_510D937B0BB8989E2221BCF34AA3890B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfUnsecuredDebt_510D937B0BB8989E2221BCF34AA3890B" xlink:to="lab_us-gaap_RepaymentsOfUnsecuredDebt_510D937B0BB8989E2221BCF34AA3890B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net settlement of hedge transactions</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Hedge, Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9" xlink:to="lab_us-gaap_PaymentsForProceedsFromHedgeFinancingActivities_331F3623954D99F9106DBCF34AA301F9" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Debt financing costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C" xlink:to="lab_us-gaap_PaymentsOfFinancingCosts_E59C48F446479F22AC47BCF34AA3E97C" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise of stock options</link:label>
    <link:label id="lab_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B_label_en-US" xlink:label="lab_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Stock Options Exercised</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B" xlink:to="lab_us-gaap_ProceedsFromStockOptionsExercised_0C6B55DD080D407624D2BCF34AA34F6B" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions paid to shareholders/unitholders</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Dividends</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="loc_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA" xlink:to="lab_us-gaap_PaymentsOfDividends_D2E224FFFC443D50231FBCF34AA3EEFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions to noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Ordinary Dividends, Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="loc_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005" xlink:to="lab_us-gaap_PaymentsOfDividendsMinorityInterest_9B07552BFBAF9EC32A9BBCF34AA36005" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash from (used in) financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1A016FA696D3F9BE06BFBCF34AA3567D" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48_totalLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48" xlink:to="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_B528B6D2ACF161CC7510BCF34AA39B48" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4AD4B4724B68102A5F5DBCF34AA369B9_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4AD4B4724B68102A5F5DBCF34AA369B9" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at beginning of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4AD4B4724B68102A5F5DBCF34AA369B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_4AD4B4724B68102A5F5DBCF34AA369B9" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_4AD4B4724B68102A5F5DBCF34AA369B9" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_046325042E2E36B376D2BCF34AA3E7E5_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_046325042E2E36B376D2BCF34AA3E7E5" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_046325042E2E36B376D2BCF34AA3E7E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_046325042E2E36B376D2BCF34AA3E7E5" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_046325042E2E36B376D2BCF34AA3E7E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash paid for interest, net of capitalized interest during the nine months ended September 30, 2012 and 2011 of $1,978 and $1,450, respectively</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="loc_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F" xlink:to="lab_us-gaap_InterestPaidNet_8980A02036FEB972E1E4BCF34AADAE7F" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874_verboseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Supplemental disclosure of non-cash activity:</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_278AEB4FB4CD269897F4BCF34AAD9874" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969_negatedLabel_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in capital expenditures financed through accounts payable at period end</link:label>
    <link:label id="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969_label_en-US" xlink:label="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969" xlink:to="lab_us-gaap_CapitalExpendituresIncurredButNotYetPaid_1C611B1E685EC7EA214FBCF34AAD4969" xlink:type="arc" />
    <link:label id="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30_negatedLabel_en-US" xlink:label="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end</link:label>
    <link:label id="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30_label_en-US" xlink:label="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end</link:label>
    <link:label id="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30_documentation_en-US" xlink:label="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd" xlink:label="loc_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:to="lab_bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_B1F21A7DC26F138A4690BCF34AAD6B30" xlink:type="arc" />
    <link:label id="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873_negatedLabel_en-US" xlink:label="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in unfunded tenant allowance</link:label>
    <link:label id="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873_label_en-US" xlink:label="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in unfunded tenant allowance</link:label>
    <link:label id="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873_documentation_en-US" xlink:label="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change in unfunded tenant allowance.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ChangeInUnfundedTenantAllowance" xlink:label="loc_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:to="lab_bdn_ChangeInUnfundedTenantAllowance_9DA19A30CD5CFF292408BCF34AAD3873" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_24C5FFB81B6852B3BE55BD0F1768850B" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Security [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B_label_en-US" xlink:label="lab_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Security [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtSecurityAxis" xlink:label="loc_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B" xlink:to="lab_us-gaap_DebtSecurityAxis_D5ABBFA5FA5FFB2945B8BD0F1768BA0B" xlink:type="arc" />
    <link:label id="lab_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB_terseLabel_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Major Types of Debt Securities [Domain]</link:label>
    <link:label id="lab_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB_label_en-US" xlink:label="lab_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Major Types of Debt Securities [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtSecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB" xlink:to="lab_us-gaap_MajorTypesOfDebtSecuritiesDomain_D42817BE5A80BFC0B5E1BD0F176875DB" xlink:type="arc" />
    <link:label id="lab_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B_terseLabel_en-US" xlink:label="lab_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Banco Santander Bonds [Member]</link:label>
    <link:label id="lab_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B_label_en-US" xlink:label="lab_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bonds [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BondsMember" xlink:label="loc_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B" xlink:to="lab_us-gaap_BondsMember_193544426E86AB879EB5BD0F17688C8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CorporateJointVentureMember_F05ABD83F5AE4B241098BD0F176841C5_terseLabel_en-US" xlink:label="lab_us-gaap_CorporateJointVentureMember_F05ABD83F5AE4B241098BD0F176841C5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PJP VII [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CorporateJointVentureMember" xlink:label="loc_us-gaap_CorporateJointVentureMember_F05ABD83F5AE4B241098BD0F176841C5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CorporateJointVentureMember_F05ABD83F5AE4B241098BD0F176841C5" xlink:to="lab_us-gaap_CorporateJointVentureMember_F05ABD83F5AE4B241098BD0F176841C5" xlink:type="arc" />
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13" xlink:to="lab_us-gaap_VariableInterestEntityLineItems_D6B0938F4C038E0C3525BD0F1769DF13" xlink:type="arc" />
    <link:label id="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224_terseLabel_en-US" xlink:label="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal Amount of Held-to-maturity Securities Sold</link:label>
    <link:label id="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224_label_en-US" xlink:label="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Principal Amount of Held-to-maturity Securities Sold</link:label>
    <link:label id="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224_documentation_en-US" xlink:label="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Principal Amount of Held-to-maturity Securities Sold</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold" xlink:label="loc_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:to="lab_bdn_PrincipalAmountOfHeldToMaturitySecuritiesSold_FF0A77DE66C918126F79BD0F17692224" xlink:type="arc" />
    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_4F398374F6503ED61639BD0F1769893F_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_4F398374F6503ED61639BD0F1769893F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_4F398374F6503ED61639BD0F1769893F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_4F398374F6503ED61639BD0F1769893F" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_4F398374F6503ED61639BD0F1769893F" xlink:type="arc" />
    <link:label id="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970_terseLabel_en-US" xlink:label="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary Of Significant Accounting Policies (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970_label_en-US" xlink:label="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary Of Significant Accounting Policies (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970_documentation_en-US" xlink:label="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of Significant Accounting Policies.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:label="loc_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:to="lab_bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_2F14CCD35B7FD47ACE8ABD0F17692970" xlink:type="arc" />
    <link:label id="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8_verboseLabel_en-US" xlink:label="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Development costs for land</link:label>
    <link:label id="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8_label_en-US" xlink:label="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Development costs for land</link:label>
    <link:label id="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8_documentation_en-US" xlink:label="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Development costs for land.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DevelopmentCostsForLand" xlink:label="loc_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:to="lab_bdn_DevelopmentCostsForLand_CE98125E85354307C113BD0F176962B8" xlink:type="arc" />
    <link:label id="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613_verboseLabel_en-US" xlink:label="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue increased by straight-line rent adjustment</link:label>
    <link:label id="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613_label_en-US" xlink:label="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue Increased By Straight Line Rent Adjustment</link:label>
    <link:label id="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613_documentation_en-US" xlink:label="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revenue increased by straight-line rent adjustment.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RevenueIncreasedByStraightLineRentAdjustment" xlink:label="loc_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:to="lab_bdn_RevenueIncreasedByStraightLineRentAdjustment_98E10D30AFCCC90288F0BD0F17690613" xlink:type="arc" />
    <link:label id="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203_verboseLabel_en-US" xlink:label="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increased revenue due to amortization of deferred rent</link:label>
    <link:label id="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203_label_en-US" xlink:label="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Revenue Due To Amortization Of Deferred Rent</link:label>
    <link:label id="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203_documentation_en-US" xlink:label="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in revenue due to amortization of deferred rent.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent" xlink:label="loc_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:to="lab_bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent_2CFD3C336A04EA445CB9BD0F17693203" xlink:type="arc" />
    <link:label id="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426_terseLabel_en-US" xlink:label="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Decrease in revenue due to amortization of lease incentives</link:label>
    <link:label id="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426_label_en-US" xlink:label="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Decrease In Revenue Due To Lease Incentives</link:label>
    <link:label id="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426_documentation_en-US" xlink:label="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Decrease in revenue due to lease incentives.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DecreaseInRevenueDueToLeaseIncentives" xlink:label="loc_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:to="lab_bdn_DecreaseInRevenueDueToLeaseIncentives_B89D1218E21FABFBF483BD0F17697426" xlink:type="arc" />
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0_verboseLabel_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increase in Common shares available for future awards</link:label>
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0_label_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Shares Due To Amendments In Plan</link:label>
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0_documentation_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in shares due to amendments in plan.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncreaseInSharesDueToAmendmentsInPlan" xlink:label="loc_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:to="lab_bdn_IncreaseInSharesDueToAmendmentsInPlan_F8B2335B4147D24D6B78BD0F1769F3C0" xlink:type="arc" />
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6_verboseLabel_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increase in shares due to amendments in plan, shares solely available for options and share appreciation rights</link:label>
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6_label_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase In Shares Due To Amendments In Plan Shares Solely Available For Options And Share Appreciation Rights</link:label>
    <link:label id="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6_documentation_en-US" xlink:label="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase in shares due to amendments in plan, shares solely available for options and share appreciation rights.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" xlink:label="loc_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:to="lab_bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_C8CED6C4396E0C4AEA37BD0F1769B1E6" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares available for future awards</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_A1A355500A671F2E867ABD0F17694917" xlink:type="arc" />
    <link:label id="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833_verboseLabel_en-US" xlink:label="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Options awarded, term</link:label>
    <link:label id="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833_label_en-US" xlink:label="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Options Awarded Term</link:label>
    <link:label id="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833_documentation_en-US" xlink:label="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Options awarded, term.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OptionsAwardedTerm" xlink:label="loc_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:to="lab_bdn_OptionsAwardedTerm_908E97E7FCC11DAA72FEBD0F176AD833" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_BBD66D65D2CEA736ACD0BD0F176A5579_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_BBD66D65D2CEA736ACD0BD0F176A5579" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_BBD66D65D2CEA736ACD0BD0F176A5579" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllocatedShareBasedCompensationExpense_BBD66D65D2CEA736ACD0BD0F176A5579" xlink:to="lab_us-gaap_AllocatedShareBasedCompensationExpense_BBD66D65D2CEA736ACD0BD0F176A5579" xlink:type="arc" />
    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102_terseLabel_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributable income minimum percentage</link:label>
    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102_label_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distributable Income Minimum Percentage</link:label>
    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102_documentation_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Distributable income minimum percentage.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DistributableIncomeMinimumPercentage" xlink:label="loc_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:to="lab_bdn_DistributableIncomeMinimumPercentage_A6278D5693CEA7BD601ABD0F176AD102" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Sold Security, Realized Gain (Loss)</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Sold Security, Realized Gain (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesSoldSecurityRealizedGainLoss_AB5DC70A672693047D5ABD0F176AD5BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Net Carrying Amount</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Debt Maturities, Net Carrying Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmount_D892FC73AC78B0A58C0ABD0F176ACCB4" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_56F02D76121DF79ECB5EDED777094294_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_56F02D76121DF79ECB5EDED777094294" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_56F02D76121DF79ECB5EDED777094294" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_56F02D76121DF79ECB5EDED777094294" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_56F02D76121DF79ECB5EDED777094294" xlink:type="arc" />
    <link:label id="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4_terseLabel_en-US" xlink:label="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due</link:label>
    <link:label id="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4_label_en-US" xlink:label="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases Future Minimum Payments Due [Table Text Block]</link:label>
    <link:label id="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4_documentation_en-US" xlink:label="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating leases future minimum payments due table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock" xlink:label="loc_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:to="lab_bdn_OperatingLeasesFutureMinimumPaymentsDueTableTextBlock_B6973ADB1D04B1331F3CDED7770917A4" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate amount related to non-controlling interests classified within equity</link:label>
    <link:label id="lab_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8_label_en-US" xlink:label="lab_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest in Operating Partnerships</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestInOperatingPartnerships" xlink:label="loc_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8" xlink:to="lab_us-gaap_MinorityInterestInOperatingPartnerships_59038A59112AD36D3C26DED7779F6AF8" xlink:type="arc" />
    <link:label id="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371_verboseLabel_en-US" xlink:label="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Settlement value of non controlling interest in operating partnership</link:label>
    <link:label id="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371_label_en-US" xlink:label="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Value Of Non Controlling Interest In Operating Partnership</link:label>
    <link:label id="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371_documentation_en-US" xlink:label="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement value of non controlling interest in operating partnership.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SettlementValueOfNonControllingInterestInOperatingPartnership" xlink:label="loc_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:to="lab_bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_22CB060C0F9C4D4B8E3CDED7779FB371" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Table]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermPurchaseCommitmentTable" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498" xlink:to="lab_us-gaap_LongTermPurchaseCommitmentTable_B9F971B296ADB5EC1EB6B237AD19B498" xlink:type="arc" />
    <link:label id="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA_terseLabel_en-US" xlink:label="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Axis]</link:label>
    <link:label id="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA_label_en-US" xlink:label="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Axis]</link:label>
    <link:label id="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA_documentation_en-US" xlink:label="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Axis]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ContractualObligationAxis" xlink:label="loc_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:to="lab_bdn_ContractualObligationAxis_C8EAFF58BD5D01353290B237AD19FFFA" xlink:type="arc" />
    <link:label id="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81_terseLabel_en-US" xlink:label="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Domain]</link:label>
    <link:label id="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81_label_en-US" xlink:label="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Domain]</link:label>
    <link:label id="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81_documentation_en-US" xlink:label="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contractual Obligation [Domain]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ContractualObligationDomain" xlink:label="loc_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:to="lab_bdn_ContractualObligationDomain_B02C476A83ABC4A61B2FB237AD190F81" xlink:type="arc" />
    <link:label id="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10_terseLabel_en-US" xlink:label="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ground Rent [Member]</link:label>
    <link:label id="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10_label_en-US" xlink:label="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ground Rent [Member]</link:label>
    <link:label id="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10_documentation_en-US" xlink:label="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ground Rent [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_GroundRentMember" xlink:label="loc_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:to="lab_bdn_GroundRentMember_75FA9ECBEA233617CD6AB237AD194F10" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermPurchaseCommitmentLineItems" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179" xlink:to="lab_us-gaap_LongTermPurchaseCommitmentLineItems_BC4E41B8B19A3730B904B237AD19D179" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum future rental payments on non-cancelable leases</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableAbstract_90C0D7C4B4CF818A4A5FB237AD1A9D0C" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2012 (three months remaining)</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent_5F4F5F44C75BA2438827B237AD1AC4BA" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_A88D5F9516336BE840C1B237AD1AD3AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_0BC6EF9EE16C72D2C329B237AD1A46EA" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_3CB1384A2600DEF935ACB237AD1A5CFD" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_EBE1BB8FAE7117C49B58B237AD1A2297" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Thereafter</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_1A9FE9746F301F685A7AB237AD1A6A56" xlink:type="arc" />
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882_verboseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_835EB6726B382D25C386DED777956882" xlink:type="arc" />
    <link:label id="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B_verboseLabel_en-US" xlink:label="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of financial instruments with fair values different from their carrying amount</link:label>
    <link:label id="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B_label_en-US" xlink:label="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule Of Financial Instruments With Fair Values Different From Their Carrying Amount [Table Text Block]</link:label>
    <link:label id="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B_documentation_en-US" xlink:label="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Schedule of financial instruments with fair values different from their carrying amount table.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock" xlink:label="loc_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:to="lab_bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTableTextBlock_9C39086E4E87367A4F9BDED776E19A9B" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E" xlink:to="lab_us-gaap_SubsequentEventTypeAxis_86E5DD3FDBBD60E93C7BBCA581B5969E" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB" xlink:to="lab_us-gaap_SubsequentEventTypeDomain_5A650CC63F1BCB701651BCA581B586EB" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5_terseLabel_en-US" xlink:label="lab_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase of Equity [Member]</link:label>
    <link:label id="lab_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5_label_en-US" xlink:label="lab_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase of Equity [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepurchaseOfEquityMember" xlink:label="loc_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5" xlink:to="lab_us-gaap_RepurchaseOfEquityMember_CFF14A7813DC069AD2FDBCA581B6EFF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Units [Line Items]</link:label>
    <link:label id="lab_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90_label_en-US" xlink:label="lab_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Units [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredUnitsLineItems" xlink:label="loc_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90" xlink:to="lab_us-gaap_PreferredUnitsLineItems_965E8BFAB5871780C692BCA581B6BF90" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_C203D21888F92A538F7BBCA581B64480_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_C203D21888F92A538F7BBCA581B64480" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_C203D21888F92A538F7BBCA581B64480" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract_C203D21888F92A538F7BBCA581B64480" xlink:to="lab_us-gaap_EarningsPerShareAbstract_C203D21888F92A538F7BBCA581B64480" xlink:type="arc" />
    <link:label id="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452_verboseLabel_en-US" xlink:label="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Numerator</link:label>
    <link:label id="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452_label_en-US" xlink:label="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Numerator [Abstract]</link:label>
    <link:label id="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452_documentation_en-US" xlink:label="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Numerator</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumeratorAbstract" xlink:label="loc_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:to="lab_bdn_NumeratorAbstract_6E6881205F59AACC64A1BCA581B62452" xlink:type="arc" />
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262_negatedTerseLabel_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) from continuing operations attributable to non-controlling interests, Basic</link:label>
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262_label_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Loss Income From Continuing Operations Attributable to Non controlling interests Basic</link:label>
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262_documentation_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net (loss) income from continuing operations attributable to non-controlling interests Basic.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic" xlink:label="loc_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:to="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_88F09A27839719CF5152BCA581B6E262" xlink:type="arc" />
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57_negatedTerseLabel_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) from continuing operations attributable to non-controlling interests, Diluted</link:label>
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57_label_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Loss Income From Continuing Operations Attributable To Non Controlling Interests Diluted</link:label>
    <link:label id="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57_documentation_en-US" xlink:label="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net (loss) income from continuing operations attributable to non-controlling interests Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted" xlink:label="loc_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:to="lab_bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_C70960A5AE7DB548A559BCA581B6BD57" xlink:type="arc" />
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_DC3A160C475BD3EA8CF0BCA581B7336D_negatedLabel_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_DC3A160C475BD3EA8CF0BCA581B7336D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amount allocable to unvested restricted shareholders, Diluted</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted" xlink:label="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_DC3A160C475BD3EA8CF0BCA581B7336D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_DC3A160C475BD3EA8CF0BCA581B7336D" xlink:to="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_DC3A160C475BD3EA8CF0BCA581B7336D" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations available to common shareholders/unitholders, Basic</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_0FE2A4DBB6B3C735BB7CBCA581B77456" xlink:type="arc" />
    <link:label id="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255_negatedTotalLabel_en-US" xlink:label="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations available to common shareholders/unitholders, Diluted</link:label>
    <link:label id="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255_label_en-US" xlink:label="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss from continuing operations available to common unitholders Diluted</link:label>
    <link:label id="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255_documentation_en-US" xlink:label="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss from continuing operations available to common unit holders, Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" xlink:label="loc_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:to="lab_bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_1D378F8B15FC19425F25BCA581B7B255" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_45FDCFC6E8CB55C92671BCA581B716AF_verboseLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_45FDCFC6E8CB55C92671BCA581B716AF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from discontinued operations, Diluted</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsDiluted" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsDiluted_45FDCFC6E8CB55C92671BCA581B716AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsDiluted_45FDCFC6E8CB55C92671BCA581B716AF" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsDiluted_45FDCFC6E8CB55C92671BCA581B716AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to non-controlling interests - LP units</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_A1CC025AD79F034C6F17BCA581B73164" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE_verboseLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to non-controlling interests, diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE_label_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Attributable To Non controlling Interest Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Attributable To Non controlling Interest Diluted.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_26A2234D348DCC91F642BCA581B727CE" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE_totalLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common shareholders, Basic</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE_label_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Basic</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Basic.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_E77FE17F5C0B283AAEB2BCA581B784FE" xlink:type="arc" />
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9_totalLabel_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations attributable to common shareholders, Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9_label_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Diluted</link:label>
    <link:label id="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9_documentation_en-US" xlink:label="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Diluted</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted" xlink:label="loc_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:to="lab_bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_2AD95204E8D4BA863370BCA581B866E9" xlink:type="arc" />
    <link:label id="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E_verboseLabel_en-US" xlink:label="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Denominator</link:label>
    <link:label id="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E_label_en-US" xlink:label="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Denominator [Abstract]</link:label>
    <link:label id="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E_documentation_en-US" xlink:label="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Denominator.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DenominatorAbstract" xlink:label="loc_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:to="lab_bdn_DenominatorAbstract_E4106B3F4C8CA3EADA0EBCA581B8C98E" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_49EB497BC74599047634BCA581B853E7_verboseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_49EB497BC74599047634BCA581B853E7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Contingent securities/Stock based compensation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_49EB497BC74599047634BCA581B853E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_49EB497BC74599047634BCA581B853E7" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_49EB497BC74599047634BCA581B853E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per Common Share:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C" xlink:to="lab_us-gaap_EarningsPerShareBasicAbstract_674B654458215587D39FBCA581B8831C" xlink:type="arc" />
    <link:label id="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3_terseLabel_en-US" xlink:label="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property location [Axis]</link:label>
    <link:label id="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3_label_en-US" xlink:label="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property location [Axis]</link:label>
    <link:label id="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3_documentation_en-US" xlink:label="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property location.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PropertyLocationAxis" xlink:label="loc_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:to="lab_bdn_PropertyLocationAxis_F708C1FC5692DFCAC740BD0F16F9A1A3" xlink:type="arc" />
    <link:label id="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC_terseLabel_en-US" xlink:label="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property location [Domain]</link:label>
    <link:label id="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC_label_en-US" xlink:label="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property location [Domain]</link:label>
    <link:label id="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC_documentation_en-US" xlink:label="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property location.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PropertyLocationDomain" xlink:label="loc_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:to="lab_bdn_PropertyLocationDomain_345B1E65D2E842291CA9BD0F16F97BFC" xlink:type="arc" />
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96_verboseLabel_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</link:label>
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96_label_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</link:label>
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96_documentation_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NewtownSquareberwynParklibertyviewMember" xlink:label="loc_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:to="lab_bdn_NewtownSquareberwynParklibertyviewMember_BFBC5209CEF665F2BB37BD0F16F96A96" xlink:type="arc" />
    <link:label id="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A_verboseLabel_en-US" xlink:label="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Southpoint III [Member]</link:label>
    <link:label id="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A_label_en-US" xlink:label="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Southpoint III [Member]</link:label>
    <link:label id="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A_documentation_en-US" xlink:label="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Southpoint III.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SouthpointIiiMember" xlink:label="loc_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:to="lab_bdn_SouthpointIiiMember_C4E6D49EC9A93DC45A45BD0F16F9540A" xlink:type="arc" />
    <link:label id="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E_verboseLabel_en-US" xlink:label="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tysons Corner [Member]</link:label>
    <link:label id="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E_label_en-US" xlink:label="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tysons Corner [Member]</link:label>
    <link:label id="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E_documentation_en-US" xlink:label="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tysons Corner.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TysonsCornerMember" xlink:label="loc_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:to="lab_bdn_TysonsCornerMember_ABEA476F95F2488F7AEBBD0F16F9F35E" xlink:type="arc" />
    <link:label id="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168_verboseLabel_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Two Logan Square [Member]</link:label>
    <link:label id="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168_label_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Two Logan Square [Member]</link:label>
    <link:label id="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168_documentation_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Two Logan Square.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TwoLoganSquareMember" xlink:label="loc_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:to="lab_bdn_TwoLoganSquareMember_145F31E565EFD6B452E8BD0F16F9B168" xlink:type="arc" />
    <link:label id="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249_terseLabel_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:label id="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249_label_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:label id="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249_documentation_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FairviewElevenTowerMember" xlink:label="loc_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:to="lab_bdn_FairviewElevenTowerMember_1E5EFA523C3696677FE4BD0F16F99249" xlink:type="arc" />
    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682_verboseLabel_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus [Member]</link:label>
    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682_label_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus [Member]</link:label>
    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682_documentation_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IrsPhiladelphiaCampusMember" xlink:label="loc_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:to="lab_bdn_IrsPhiladelphiaCampusMember_621914363BDDE149EB62BD0F16FA2682" xlink:type="arc" />
    <link:label id="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F_verboseLabel_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cira South Garage [Member]</link:label>
    <link:label id="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F_label_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cira South Garage [Member]</link:label>
    <link:label id="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F_documentation_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cira South Garage.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CiraSouthGarageMember" xlink:label="loc_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:to="lab_bdn_CiraSouthGarageMember_BECB991A8681CCDEA74BBD0F16FA1E0F" xlink:type="arc" />
    <link:label id="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384_verboseLabel_en-US" xlink:label="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bank Term Loan [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384_label_en-US" xlink:label="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Term Loan [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384_documentation_en-US" xlink:label="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Term Loan.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BankTermLoanMember" xlink:label="loc_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:to="lab_bdn_BankTermLoanMember_3043554D03B8C003221EBD0F16FA7384" xlink:type="arc" />
    <link:label id="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6_verboseLabel_en-US" xlink:label="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Former Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6_label_en-US" xlink:label="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6_documentation_en-US" xlink:label="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CreditFacilityMember" xlink:label="loc_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:to="lab_bdn_CreditFacilityMember_9871686C7EC4B752002EBD0F16FA79E6" xlink:type="arc" />
    <link:label id="lab_bdn_ThreeYearTermLoanMember_9F4A602D4F1379DFEF40BD0F16FAB4D1_verboseLabel_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_9F4A602D4F1379DFEF40BD0F16FAB4D1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Three-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ThreeYearTermLoanMember" xlink:label="loc_bdn_ThreeYearTermLoanMember_9F4A602D4F1379DFEF40BD0F16FAB4D1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThreeYearTermLoanMember_9F4A602D4F1379DFEF40BD0F16FAB4D1" xlink:to="lab_bdn_ThreeYearTermLoanMember_9F4A602D4F1379DFEF40BD0F16FAB4D1" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22_label_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FourYearTermLoanSwappedToFixedMember" xlink:label="loc_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:to="lab_bdn_FourYearTermLoanSwappedToFixedMember_9CD2B66FCD32FD6A4769BD0F16FA4B22" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824_label_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_FourYearTermLoanVariableMember" xlink:label="loc_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:to="lab_bdn_FourYearTermLoanVariableMember_D2F381CE3F90C086CB8BBD0F16FD3824" xlink:type="arc" />
    <link:label id="lab_bdn_SevenYearTermLoanMember_753F6EE0F41EB6B1CFE1BD0F16FDB7A2_verboseLabel_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_753F6EE0F41EB6B1CFE1BD0F16FDB7A2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SevenYearTermLoanMember" xlink:label="loc_bdn_SevenYearTermLoanMember_753F6EE0F41EB6B1CFE1BD0F16FDB7A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SevenYearTermLoanMember_753F6EE0F41EB6B1CFE1BD0F16FDB7A2" xlink:to="lab_bdn_SevenYearTermLoanMember_753F6EE0F41EB6B1CFE1BD0F16FDB7A2" xlink:type="arc" />
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A_label_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A_documentation_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I).</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IndentureIaPreferredTrustIMember" xlink:label="loc_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:to="lab_bdn_IndentureIaPreferredTrustIMember_C5DAEBDC10836752ADD2BD0F16FD326A" xlink:type="arc" />
    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A_label_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A_documentation_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I).</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IndentureIbPreferredTrustIMember" xlink:label="loc_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:to="lab_bdn_IndentureIbPreferredTrustIMember_8D15E260F2DBB401F29FBD0F16FD8D6A" xlink:type="arc" />
    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67_label_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67_documentation_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II).</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IndentureIiPreferredTrustIiMember" xlink:label="loc_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:to="lab_bdn_IndentureIiPreferredTrustIiMember_40991E798810BDA9EEA8BD0F16FD0B67" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebtMember_E946096C7B8790E30980BD0F16FE1C15_verboseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_E946096C7B8790E30980BD0F16FE1C15" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_E946096C7B8790E30980BD0F16FE1C15" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_E946096C7B8790E30980BD0F16FE1C15" xlink:to="lab_us-gaap_SecuredDebtMember_E946096C7B8790E30980BD0F16FE1C15" xlink:type="arc" />
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC_verboseLabel_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Consolidated debt obligations</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC_label_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Debt Obligations [Abstract]</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC_documentation_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Debt Obligations Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ConsolidatedDebtObligationsAbstract" xlink:label="loc_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:to="lab_bdn_ConsolidatedDebtObligationsAbstract_8288B759E127CAA1C80BBD0F16FECCFC" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_AD1309F4E4E3AE3B200EBD0F16FE59FC" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_E9EDC89617A98E0A02A2BD0F16FE5670_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_E9EDC89617A98E0A02A2BD0F16FE5670" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Plus: premiums/(discounts), net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_E9EDC89617A98E0A02A2BD0F16FE5670" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_E9EDC89617A98E0A02A2BD0F16FE5670" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_E9EDC89617A98E0A02A2BD0F16FE5670" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebt_B3371D48A5C6AAC3DF25BD0F16FEB790_totalLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_B3371D48A5C6AAC3DF25BD0F16FEB790" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total mortgage indebtedness</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_B3371D48A5C6AAC3DF25BD0F16FEB790" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt_B3371D48A5C6AAC3DF25BD0F16FEB790" xlink:to="lab_us-gaap_SecuredDebt_B3371D48A5C6AAC3DF25BD0F16FEB790" xlink:type="arc" />
    <link:label id="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D_totalLabel_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total unsecured indebtedness</link:label>
    <link:label id="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D_label_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Indebtedness</link:label>
    <link:label id="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D_documentation_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total unsecured indebtedness.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_UnsecuredIndebtedness" xlink:label="loc_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:to="lab_bdn_UnsecuredIndebtedness_F35858A432ECFA3FB289BD0F16FE1F2D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Effective interest rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_72D605194F6364218A2FBD0F16FECBF3" xlink:type="arc" />
    <link:label id="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862_verboseLabel_en-US" xlink:label="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Effective interest rate</link:label>
    <link:label id="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862_label_en-US" xlink:label="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Interest Rates Effective Percentage</link:label>
    <link:label id="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862_documentation_en-US" xlink:label="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rates Effective Percentage.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DebtInstrumentInterestRatesEffectivePercentage" xlink:label="loc_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:to="lab_bdn_DebtInstrumentInterestRatesEffectivePercentage_8AEACA27AB087DEB41DDBD0F16FFB862" xlink:type="arc" />
    <link:label id="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1_verboseLabel_en-US" xlink:label="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Dates</link:label>
    <link:label id="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1_label_en-US" xlink:label="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Dates</link:label>
    <link:label id="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1_documentation_en-US" xlink:label="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Dates.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DebtInstrumentMaturityDates" xlink:label="loc_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:to="lab_bdn_DebtInstrumentMaturityDates_8100DA684F1BC8F7480EBD0F16FF81C1" xlink:type="arc" />
    <link:label id="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9_terseLabel_en-US" xlink:label="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Term</link:label>
    <link:label id="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9_label_en-US" xlink:label="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Term</link:label>
    <link:label id="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9_documentation_en-US" xlink:label="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Term</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DebtInstrumentTerm" xlink:label="loc_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:to="lab_bdn_DebtInstrumentTerm_E0671BFE7A789E936898BD0F16FF37B9" xlink:type="arc" />
    <link:label id="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0_terseLabel_en-US" xlink:label="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option to extend Term Loan</link:label>
    <link:label id="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0_label_en-US" xlink:label="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option to Extend Term Loan</link:label>
    <link:label id="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0_documentation_en-US" xlink:label="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Option to Extend Term Loan</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OptionToExtendTermLoan" xlink:label="loc_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:to="lab_bdn_OptionToExtendTermLoan_2098A281F466BD34933DBD0F16FFA5A0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_63EBD545FA6CE43A0BA2B718BBC61A73" xlink:type="arc" />
    <link:label id="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19_terseLabel_en-US" xlink:label="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gibbsboro, New Jersey [Member]</link:label>
    <link:label id="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19_label_en-US" xlink:label="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gibbsboro, New Jersey [Member]</link:label>
    <link:label id="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19_documentation_en-US" xlink:label="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gibbsboro, New Jersey [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_GibbsboroNewJerseyMember" xlink:label="loc_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:to="lab_bdn_GibbsboroNewJerseyMember_E4C689233617BFB7142DB718BBC61C19" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Properties [Axis]</link:label>
    <link:label id="lab_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F_label_en-US" xlink:label="lab_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Property Ownership [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstatePropertiesAxis" xlink:label="loc_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F" xlink:to="lab_us-gaap_RealEstatePropertiesAxis_CE614F907869E341AAE5B718BBC62F4F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Properties [Domain]</link:label>
    <link:label id="lab_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D_label_en-US" xlink:label="lab_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Properties [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstatePropertiesDomain" xlink:label="loc_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D" xlink:to="lab_us-gaap_RealEstatePropertiesDomain_6DA8E9A35736A40AEC99B718BBC6062D" xlink:type="arc" />
    <link:label id="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A_terseLabel_en-US" xlink:label="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trenton Properties [Member]</link:label>
    <link:label id="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A_label_en-US" xlink:label="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trenton Properties [Member]</link:label>
    <link:label id="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A_documentation_en-US" xlink:label="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Trenton Properties [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TrentonPropertiesMember" xlink:label="loc_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:to="lab_bdn_TrentonPropertiesMember_4314E65D4E6148077173B718BBC6D25A" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Axis]</link:label>
    <link:label id="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7_label_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Axis]</link:label>
    <link:label id="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7_documentation_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Axis]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableByMaturityAxis" xlink:label="loc_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:to="lab_bdn_NotesReceivableByMaturityAxis_BD717EA942C5AEEEFC68B718BBC6B7F7" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Domain]</link:label>
    <link:label id="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7_label_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Domain]</link:label>
    <link:label id="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7_documentation_en-US" xlink:label="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable by Maturity [Domain]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableByMaturityDomain" xlink:label="loc_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:to="lab_bdn_NotesReceivableByMaturityDomain_D2AFFC52AFEF933603D2B718BBC63DD7" xlink:type="arc" />
    <link:label id="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33_terseLabel_en-US" xlink:label="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">20 Year Amortization Period [Member]</link:label>
    <link:label id="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33_label_en-US" xlink:label="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Twenty Year Amortization Period [Member]</link:label>
    <link:label id="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33_documentation_en-US" xlink:label="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Twenty Year Amortization Period [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_TwentyYearAmortizationPeriodMember" xlink:label="loc_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:to="lab_bdn_TwentyYearAmortizationPeriodMember_97D21A4E120D6830F873B718BBC6CB33" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due 2015 [Member]</link:label>
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28_label_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Due Two Thousand Fifteen [Member]</link:label>
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28_documentation_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Due Two Thousand Fifteen [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableDueTwoThousandFifteenMember" xlink:label="loc_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:to="lab_bdn_NotesReceivableDueTwoThousandFifteenMember_7B043C98B1DDAD0F58BCB718BBC61E28" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due 2016 [Member]</link:label>
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90_label_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Due Two Thousand Sixteen [Member]</link:label>
    <link:label id="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90_documentation_en-US" xlink:label="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Due Two Thousand Sixteen [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableDueTwoThousandSixteenMember" xlink:label="loc_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:to="lab_bdn_NotesReceivableDueTwoThousandSixteenMember_BCF7EC1D55C897B1298CB718BBC65F90" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable by Receivable Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A_label_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivable Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A" xlink:to="lab_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_B0EDA995EFE173FD4ADEB718BBC66C5A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivable Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6_label_en-US" xlink:label="lab_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivable Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReceivableTypeDomain" xlink:label="loc_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6" xlink:to="lab_us-gaap_ReceivableTypeDomain_28EEF10CE499F2458CF7B718BBC6A7C6" xlink:type="arc" />
    <link:label id="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87_terseLabel_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Purchase money mortgage [Member]</link:label>
    <link:label id="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87_label_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase money mortgage [Member]</link:label>
    <link:label id="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87_documentation_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase money mortgage [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PurchaseMoneyMortgageMember" xlink:label="loc_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:to="lab_bdn_PurchaseMoneyMortgageMember_82525F7FF99169195118B718BBC68F87" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6_label_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_965B6923EB165020E716B718BBC62EB6" xlink:type="arc" />
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, Interest Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageLoansOnRealEstateInterestRate" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D" xlink:to="lab_us-gaap_MortgageLoansOnRealEstateInterestRate_A0F72B864A1629B5DB8FB718BBC6DB8D" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notes receivable amortization period, years</link:label>
    <link:label id="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB_label_en-US" xlink:label="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Amortization Period, Years</link:label>
    <link:label id="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB_documentation_en-US" xlink:label="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Amortization Period, Years</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableAmortizationPeriodYears" xlink:label="loc_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:to="lab_bdn_NotesReceivableAmortizationPeriodYears_739922F559BD7DA5D0D7B718BBC689FB" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash pay interest rate</link:label>
    <link:label id="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304_label_en-US" xlink:label="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Cash Pay Interest, Percentage</link:label>
    <link:label id="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304_documentation_en-US" xlink:label="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Cash Pay Interest, Percentage</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableCashPayInterestPercentage" xlink:label="loc_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:to="lab_bdn_NotesReceivableCashPayInterestPercentage_314A08DBB2A930ACA2B2B718BBC64304" xlink:type="arc" />
    <link:label id="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F_terseLabel_en-US" xlink:label="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest accrual rate</link:label>
    <link:label id="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F_label_en-US" xlink:label="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Notes Receivable Interest Accrual, Percentage</link:label>
    <link:label id="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F_documentation_en-US" xlink:label="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Notes Receivable Interest Accrual, Percentage</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NotesReceivableInterestAccrualPercentage" xlink:label="loc_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:to="lab_bdn_NotesReceivableInterestAccrualPercentage_25CED2B1EC3006F0453DB718BBC6AF9F" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Collection of Notes Receivable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE_label_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Collection of Notes Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE" xlink:to="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_AE069EA436B374C10BE6B718BBC6B0FE" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfPropertiesSold_849C85C6E422DA9E305EB718BBC64AF8_terseLabel_en-US" xlink:label="lab_bdn_NumberOfPropertiesSold_849C85C6E422DA9E305EB718BBC64AF8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of properties sold</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfPropertiesSold" xlink:label="loc_bdn_NumberOfPropertiesSold_849C85C6E422DA9E305EB718BBC64AF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfPropertiesSold_849C85C6E422DA9E305EB718BBC64AF8" xlink:to="lab_bdn_NumberOfPropertiesSold_849C85C6E422DA9E305EB718BBC64AF8" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_E432E49E9B92C3CCE5F7B742E67340BD_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest_E432E49E9B92C3CCE5F7B742E67340BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="loc_us-gaap_InvestmentIncomeInterest_E432E49E9B92C3CCE5F7B742E67340BD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest_E432E49E9B92C3CCE5F7B742E67340BD" xlink:to="lab_us-gaap_InvestmentIncomeInterest_E432E49E9B92C3CCE5F7B742E67340BD" xlink:type="arc" />
    <link:label id="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F_terseLabel_en-US" xlink:label="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected proceeds from collection of notes receivable</link:label>
    <link:label id="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F_label_en-US" xlink:label="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount expected to be received at maturity including the difference between the cash payments and the stated accrual rate</link:label>
    <link:label id="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F_documentation_en-US" xlink:label="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount expected to be received at maturity including the difference between the cash payments and the stated accrual rate</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate" xlink:label="loc_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:to="lab_bdn_AmountExpectedToBeReceivedAtMaturityIncludingDifferenceBetweenCashPaymentsAndStatedAccrualRate_2091D33A76363CDF6583B718BBC6E70F" xlink:type="arc" />
    <link:label id="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3_verboseLabel_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Purchase money mortgage loan repayments terms</link:label>
    <link:label id="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3_label_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchase Money Mortgage Loan Repayments Terms</link:label>
    <link:label id="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3_documentation_en-US" xlink:label="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchase Money Mortgage Loan Repayments Terms.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PurchaseMoneyMortgageLoanRepaymentsTerms" xlink:label="loc_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:to="lab_bdn_PurchaseMoneyMortgageLoanRepaymentsTerms_39CB6D711AAEB5059983B718BBC6B9C3" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Option activity</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity [Abstract]</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_2ECF9880F9B4BACB9170BD0F15457C45" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5203BE19B4F3A302511BBD0F15460A6E_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5203BE19B4F3A302511BBD0F15460A6E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at beginning of year, shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5203BE19B4F3A302511BBD0F15460A6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5203BE19B4F3A302511BBD0F15460A6E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_5203BE19B4F3A302511BBD0F15460A6E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_15F83E2E5421824FB86DBD0F1546D2B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_17BD596716016C9ABF42BD0F15461311_negatedLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_17BD596716016C9ABF42BD0F15461311" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Exercised, shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_17BD596716016C9ABF42BD0F15461311" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_17BD596716016C9ABF42BD0F15461311" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_17BD596716016C9ABF42BD0F15461311" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_D1D517A1951CB1136A23BD0F1546C9A0" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CB7CA195968032144D5BD0F15465128_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CB7CA195968032144D5BD0F15465128" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding at end of year, shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CB7CA195968032144D5BD0F15465128" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CB7CA195968032144D5BD0F15465128" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_9CB7CA195968032144D5BD0F15465128" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Vested/Exercisable, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_CD8459D6F786EE34D5CABD0F15465C18" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at beginning of year, Weighted Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_569D33D16C9206C5AE08BD0F154659F7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Granted, Weighted Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_1E70A8C3DFA25B388914BD0F1546682A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Exercised, Weighted Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_DCA405242E60199E02FEBD0F15467202" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_5C2E7870F0FFDCCCB149BD0F1546CAD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6661FA1F6AA5249A4011BD0F15468BB9_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6661FA1F6AA5249A4011BD0F15468BB9" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding at end of year, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6661FA1F6AA5249A4011BD0F15468BB9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6661FA1F6AA5249A4011BD0F15468BB9" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_6661FA1F6AA5249A4011BD0F15468BB9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Vested/Exercisable at end of period, Weighted Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_4B2B494E689B15E54A27BD0F15468F95" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B_periodStartLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at beginning of year, Weighted Average Remaining Contractual Term (in years)</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Terms</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Terms.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_7A78596397ACAC617532BD0F1547540B" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_753BC671F0DDF113103BBD0F154712CB_periodEndLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_753BC671F0DDF113103BBD0F154712CB" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding at end of year, Weighted Average Remaining Contractual Term (in years)</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_753BC671F0DDF113103BBD0F154712CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_753BC671F0DDF113103BBD0F154712CB" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_753BC671F0DDF113103BBD0F154712CB" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298_periodEndLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Vested/Exercisable at end of period, Weighted Average Remaining Contractual Term (in years)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_1B3FE93969F92ED61A28BD0F1547F298" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at beginning of year, Aggregate Intrinsic Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_F40E444FDFC84A8C9F91BD0F1547F5A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_47358E50BD3D41EC4FA1BD0F154795FA_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_47358E50BD3D41EC4FA1BD0F154795FA" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding at end of year, Aggregate Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_47358E50BD3D41EC4FA1BD0F154795FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_47358E50BD3D41EC4FA1BD0F154795FA" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_47358E50BD3D41EC4FA1BD0F154795FA" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE_periodEndLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Vested/Exercisable at end of year, Aggregate Intrinsic Value</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Exercisable Intrinsic Value</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Payment Award Options Vested And Exercisable Intrinsic Value.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:to="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_EA7D2485EE6CC90A10A6BD0F1547F9FE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-maturity Securities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684_label_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-maturity Securities [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684" xlink:to="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_97B1E5B62E9FEEFBC6C0BD0F17585684" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-maturity Securities [Line Items]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25_label_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-maturity Securities [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25" xlink:to="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_F0EE77286A903C18161ABD0F17588C25" xlink:type="arc" />
    <link:label id="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4_terseLabel_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities, Premium Paid</link:label>
    <link:label id="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4_label_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities, Premium Paid</link:label>
    <link:label id="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4_documentation_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities, Premium Paid</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_HeldToMaturitySecuritiesPremiumPaid" xlink:label="loc_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:to="lab_bdn_HeldToMaturitySecuritiesPremiumPaid_F60CC7C26814AB26776EBD0F1758CDA4" xlink:type="arc" />
    <link:label id="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86_terseLabel_en-US" xlink:label="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Received for Held-to-Maturity Securities Sold</link:label>
    <link:label id="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86_label_en-US" xlink:label="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Received for Held-to-Maturity Securities Sold</link:label>
    <link:label id="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86_documentation_en-US" xlink:label="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash Received for Held-to-Maturity Securities Sold</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CashReceivedForHeldToMaturitySecuritiesSold" xlink:label="loc_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:to="lab_bdn_CashReceivedForHeldToMaturitySecuritiesSold_8B1DE54EF98BEAEF842DBD0F1758FB86" xlink:type="arc" />
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortized Cost</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HeldToMaturitySecurities" xlink:label="loc_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B" xlink:to="lab_us-gaap_HeldToMaturitySecurities_44D56BEBA0428922179EBD0F1759C82B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued Investment Income Receivable</link:label>
    <link:label id="lab_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305_label_en-US" xlink:label="lab_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Investment Income Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedInvestmentIncomeReceivable" xlink:label="loc_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305" xlink:to="lab_us-gaap_AccruedInvestmentIncomeReceivable_A334A2B7B4EEFBA09D1BBD0F17598305" xlink:type="arc" />
    <link:label id="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4_terseLabel_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income rate (as a percent)</link:label>
    <link:label id="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4_label_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Annual Interest Income Rate</link:label>
    <link:label id="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4_documentation_en-US" xlink:label="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Annual Interest Income Rate</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate" xlink:label="loc_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:to="lab_bdn_HeldToMaturitySecuritiesAnnualInterestIncomeRate_56201CA73C32695C0AF3BD0F1759ABA4" xlink:type="arc" />
    <link:label id="lab_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080_label_en-US" xlink:label="lab_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]</link:label>
    <link:label id="lab_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080_documentation_en-US" xlink:label="lab_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SummaryOfSignificantAccountingPoliciesAbstract" xlink:label="loc_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080" xlink:to="lab_bdn_SummaryOfSignificantAccountingPoliciesAbstract_01529F81A29E2C43BD488EACE414B080" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale Debt Securities, Amortized Cost Basis</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Debt Securities, Amortized Cost Basis</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06" xlink:to="lab_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_D65BCFE3945EEFEF50058EACE414AD06" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Gross Unrealized Losses</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities, Gross Unrealized Losses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesGrossUnrealizedLosses1_825DAC68BF7E111621458EACE414953B" xlink:type="arc" />
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151_terseLabel_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Minimum</link:label>
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151_label_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Minimum</link:label>
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151_documentation_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Minimum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum" xlink:label="loc_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:to="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMinimum_FAFE99F275FECB96D47F8EACE4141151" xlink:type="arc" />
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568_terseLabel_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Maximum</link:label>
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568_label_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Maximum</link:label>
    <link:label id="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568_documentation_en-US" xlink:label="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Available For Sale Securities Interest Rate Range Maximum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum" xlink:label="loc_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:to="lab_bdn_AvailableForSaleSecuritiesInterestRateRangeMaximum_7DB65E3108DB037E5E218EACE4141568" xlink:type="arc" />
    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_7666577F5A0D5AAB56C32C2FB5C8BC69_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember_7666577F5A0D5AAB56C32C2FB5C8BC69" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">7.375% Series E Preferred Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SeriesEPreferredStockMember" xlink:label="loc_us-gaap_SeriesEPreferredStockMember_7666577F5A0D5AAB56C32C2FB5C8BC69" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesEPreferredStockMember_7666577F5A0D5AAB56C32C2FB5C8BC69" xlink:to="lab_us-gaap_SeriesEPreferredStockMember_7666577F5A0D5AAB56C32C2FB5C8BC69" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockDividendRatePercentage_F110988BC5CD66DA69252C2FB5C824E0_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendRatePercentage_F110988BC5CD66DA69252C2FB5C824E0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares, dividend rate (as a percent)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage_F110988BC5CD66DA69252C2FB5C824E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendRatePercentage_F110988BC5CD66DA69252C2FB5C824E0" xlink:to="lab_us-gaap_PreferredStockDividendRatePercentage_F110988BC5CD66DA69252C2FB5C824E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares, par value (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare_9755351D679047BD2C412C2FB5C8E366" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares, shares authorized</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesAuthorized" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized_1AE8435DD83F46D958052C2FB5C9447F" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_1ADE9C9825BB6FF5A8F42C2FB5C9744C_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued_1ADE9C9825BB6FF5A8F42C2FB5C9744C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares, shares issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_1ADE9C9825BB6FF5A8F42C2FB5C9744C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued_1ADE9C9825BB6FF5A8F42C2FB5C9744C" xlink:to="lab_us-gaap_PreferredStockSharesIssued_1ADE9C9825BB6FF5A8F42C2FB5C9744C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred shares, shares outstanding</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding_097C861213A3DA7BB4E02C2FB5C9ECFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares of Brandywine Realty Trust's beneficial interest, par value (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare_25FE22CA9E34D98DD92B2C2FB5C93752" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares of Brandywine Realty Trust's beneficial interest, shares authorized</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1" xlink:to="lab_us-gaap_CommonStockSharesAuthorized_20B472A8FB52BD1AF9AE2C2FB5C93EA1" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares of Brandywine Realty Trust's beneficial interest, shares issued</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B" xlink:to="lab_us-gaap_CommonStockSharesIssued_EDBF63CA5E38ADA89DAE2C2FB5C9335B" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares of Brandywine Realty Trust's beneficial interest, shares outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5" xlink:to="lab_us-gaap_CommonStockSharesOutstanding_A115FBE5EE84D56D98382C2FB5C90DE5" xlink:type="arc" />
    <link:label id="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA_terseLabel_en-US" xlink:label="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common shares in grantor trust</link:label>
    <link:label id="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA_label_en-US" xlink:label="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common shares in grantor trust</link:label>
    <link:label id="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA_documentation_en-US" xlink:label="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common shares in grantor trust.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CommonSharesInGrantorTrust" xlink:label="loc_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:to="lab_bdn_CommonSharesInGrantorTrust_39F6CD0C8C38810F169F2C797D1857AA" xlink:type="arc" />
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A_terseLabel_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redeemable Limited Partnership, units issued</link:label>
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A_label_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">redeemable Limited Partnership Units Issued</link:label>
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A_documentation_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">redeemable Limited Partnership Units Issued</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RedeemableLimitedPartnershipUnitsIssued" xlink:label="loc_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:to="lab_bdn_RedeemableLimitedPartnershipUnitsIssued_E6E3D9FC4CE3560B3C872C2FB5C9290A" xlink:type="arc" />
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942_terseLabel_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redeemable Limited Partnership, units outstanding</link:label>
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942_label_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redeemable Limited Partnership Units Outstanding</link:label>
    <link:label id="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942_documentation_en-US" xlink:label="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Redeemable Limited Partnership Units Outstanding</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RedeemableLimitedPartnershipUnitsOutstanding" xlink:label="loc_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:to="lab_bdn_RedeemableLimitedPartnershipUnitsOutstanding_574E7D1DD3FD5E0B422E2C2FB5C9B942" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24_verboseLabel_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">General Partners' Capital account, units issued</link:label>
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24_label_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Partners' Capital Account, Units Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsIssued" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24" xlink:to="lab_us-gaap_GeneralPartnersCapitalAccountUnitsIssued_B88FA545F6401A7AA7012C2FB5C9DF24" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752_verboseLabel_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">General Partners' Capital account, units outstanding</link:label>
    <link:label id="lab_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752_label_en-US" xlink:label="lab_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">General Partners' Capital Account, Units Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:label="loc_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752" xlink:to="lab_us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding_0739B01205DC83A0775E2C2FB5CA5752" xlink:type="arc" />
    <link:label id="lab_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B_verboseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Redeemable limited partnership, units issued</link:label>
    <link:label id="lab_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B_label_en-US" xlink:label="lab_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity, Shares Issued</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TemporaryEquitySharesIssued" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B" xlink:to="lab_us-gaap_TemporaryEquitySharesIssued_2C1030914EF4DD8879E42C2FB5CA2C4B" xlink:type="arc" />
    <link:label id="lab_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF_verboseLabel_en-US" xlink:label="lab_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Redeemable limited partnership, units outstanding</link:label>
    <link:label id="lab_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF_label_en-US" xlink:label="lab_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Equity, Shares Outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF" xlink:to="lab_us-gaap_TemporaryEquitySharesOutstanding_CB87DE4D1572825C96822C2FB5CA83FF" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementAbstract_00EA745B26C2256DAD31B871BBBCFBD7_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract_00EA745B26C2256DAD31B871BBBCFBD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_00EA745B26C2256DAD31B871BBBCFBD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract_00EA745B26C2256DAD31B871BBBCFBD7" xlink:to="lab_us-gaap_IncomeStatementAbstract_00EA745B26C2256DAD31B871BBBCFBD7" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue:</link:label>
    <link:label id="lab_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5_label_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Revenue, Net [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateRevenueNetAbstract" xlink:label="loc_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5" xlink:to="lab_us-gaap_RealEstateRevenueNetAbstract_609CBB985CD659F2BF16B871BBBC0DA5" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rents</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Income Statement, Minimum Lease Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B" xlink:to="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_66DB0AB13EBD58E309A9B871BBBC881B" xlink:type="arc" />
    <link:label id="lab_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0_verboseLabel_en-US" xlink:label="lab_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tenant reimbursements</link:label>
    <link:label id="lab_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0_label_en-US" xlink:label="lab_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tenant Reimbursements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="loc_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0" xlink:to="lab_us-gaap_TenantReimbursements_707E08245EE072260183B871BBBC6AD0" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E_verboseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Termination fees</link:label>
    <link:label id="lab_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E_label_en-US" xlink:label="lab_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Contract Termination</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnContractTermination" xlink:label="loc_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E" xlink:to="lab_us-gaap_GainLossOnContractTermination_04F96F50C22BF1830610B871BBBC172E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE_verboseLabel_en-US" xlink:label="lab_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Third party management fees, labor reimbursement and leasing</link:label>
    <link:label id="lab_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE_label_en-US" xlink:label="lab_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Management Fees Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ManagementFeesRevenue" xlink:label="loc_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE" xlink:to="lab_us-gaap_ManagementFeesRevenue_E085CAE24BFD987E9712B871BBBCB1BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C_terseLabel_en-US" xlink:label="lab_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C_label_en-US" xlink:label="lab_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Real Estate Revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherRealEstateRevenue" xlink:label="loc_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C" xlink:to="lab_us-gaap_OtherRealEstateRevenue_46C6651EBFF630D9DC2FB871BBBC3C4C" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateRevenueNet_B3AECB4BE87B547EB509B871BBBC794A_totalLabel_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNet_B3AECB4BE87B547EB509B871BBBC794A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_B3AECB4BE87B547EB509B871BBBC794A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateRevenueNet_B3AECB4BE87B547EB509B871BBBC794A" xlink:to="lab_us-gaap_RealEstateRevenueNet_B3AECB4BE87B547EB509B871BBBC794A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354_verboseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Operating Expenses:</link:label>
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354" xlink:to="lab_us-gaap_CostsAndExpensesAbstract_957A688746E3318BC920B871BBBC8354" xlink:type="arc" />
    <link:label id="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9_verboseLabel_en-US" xlink:label="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property operating expenses</link:label>
    <link:label id="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9_label_en-US" xlink:label="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Direct Costs of Leased and Rented Property or Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9" xlink:to="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_7ABBD957E4F1FDDBEFD2B871BBBCDDF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real estate taxes</link:label>
    <link:label id="lab_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72_label_en-US" xlink:label="lab_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Tax Expense</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateTaxExpense" xlink:label="loc_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72" xlink:to="lab_us-gaap_RealEstateTaxExpense_779BB74C4D10BEBE9E4DB871BBBCCA72" xlink:type="arc" />
    <link:label id="lab_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0_verboseLabel_en-US" xlink:label="lab_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Third party management expenses</link:label>
    <link:label id="lab_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0_label_en-US" xlink:label="lab_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Service Management Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ServiceManagementCosts" xlink:label="loc_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0" xlink:to="lab_us-gaap_ServiceManagementCosts_6D78B3D3476F7852FC2DB871BBBC41E0" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationAndAmortization_9AFF3D7B5B41FC6B075DB871BBBC22B5_verboseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_9AFF3D7B5B41FC6B075DB871BBBC22B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_9AFF3D7B5B41FC6B075DB871BBBC22B5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization_9AFF3D7B5B41FC6B075DB871BBBC22B5" xlink:to="lab_us-gaap_DepreciationAndAmortization_9AFF3D7B5B41FC6B075DB871BBBC22B5" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralAndAdministrativeExpense_AF7F88A0B7557A2340A3B871BBBCF054_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralAndAdministrativeExpense_AF7F88A0B7557A2340A3B871BBBCF054" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General and administrative expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_AF7F88A0B7557A2340A3B871BBBCF054" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GeneralAndAdministrativeExpense_AF7F88A0B7557A2340A3B871BBBCF054" xlink:to="lab_us-gaap_GeneralAndAdministrativeExpense_AF7F88A0B7557A2340A3B871BBBCF054" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992" xlink:to="lab_us-gaap_OperatingExpenses_4777CD9E6FE072459C61B871BBBC8992" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating income</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8" xlink:to="lab_us-gaap_OperatingIncomeLoss_0938AB5F7D0187762C31B871BBBC66F8" xlink:type="arc" />
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954_verboseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other Income (Expense):</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954" xlink:to="lab_us-gaap_NonoperatingIncomeExpenseAbstract_457077BBE3CDDA4A172FB871BBBCA954" xlink:type="arc" />
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_25E90B77AE91B969EB0CB871BBBCEEBD_negatedLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_25E90B77AE91B969EB0CB871BBBCEEBD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest expense - amortization of deferred financing costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_25E90B77AE91B969EB0CB871BBBCEEBD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts_25E90B77AE91B969EB0CB871BBBCEEBD" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts_25E90B77AE91B969EB0CB871BBBCEEBD" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_78D4FCA4BCF5DCB40B2BB871BBBC2EAC_verboseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_78D4FCA4BCF5DCB40B2BB871BBBC2EAC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net gain on sale of interests in real estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_78D4FCA4BCF5DCB40B2BB871BBBC2EAC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_78D4FCA4BCF5DCB40B2BB871BBBC2EAC" xlink:to="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_78D4FCA4BCF5DCB40B2BB871BBBC2EAC" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_3859EFB3F269F02DF3EBB871BBBC3484_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_3859EFB3F269F02DF3EBB871BBBC3484" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on early extinguishment of debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_3859EFB3F269F02DF3EBB871BBBC3484" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_3859EFB3F269F02DF3EBB871BBBC3484" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_3859EFB3F269F02DF3EBB871BBBC3484" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations:</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract_5CB46CAD12FF14D8E8C7B871BBBC4ADD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4_verboseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income from discontinued operations</link:label>
    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_CD4DBAC9E196436F2830B871BBBC98B4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91_verboseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net gain (loss) on disposition of discontinued operations</link:label>
    <link:label id="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91" xlink:to="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_54CCF33AADB4E5C53110B871BBBC1B91" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_61A480E5F7D0509D5318B871BBBCA402_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_61A480E5F7D0509D5318B871BBBCA402" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total discontinued operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_61A480E5F7D0509D5318B871BBBCA402" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_61A480E5F7D0509D5318B871BBBCA402" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_61A480E5F7D0509D5318B871BBBCA402" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_DFFF66645E78F8CEF566B871BBBC52B4_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_DFFF66645E78F8CEF566B871BBBC52B4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net income from discontinued operations attributable to non-controlling interests - LP units</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_DFFF66645E78F8CEF566B871BBBC52B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_DFFF66645E78F8CEF566B871BBBC52B4" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_DFFF66645E78F8CEF566B871BBBC52B4" xlink:type="arc" />
    <link:label id="lab_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5_negatedLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net (income) loss attributable to non-controlling interests - LP units</link:label>
    <link:label id="lab_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5_label_en-US" xlink:label="lab_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest, Limited Partnerships</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships" xlink:label="loc_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5" xlink:to="lab_us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships_99F1F2A2A245492DD286B871BBBC75E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="en-US">Net (income) loss attributable to non-controlling interests</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13" xlink:to="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_F7CCD6C6779C1115494BB871BBBC8A13" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to Brandywine Realty Trust</link:label>
    <link:label id="lab_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35_label_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35" xlink:to="lab_us-gaap_NetIncomeLoss_4405C711B64B8FFEDFD8B871BBBC1C35" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPreferredStock_5416AE4158C2DED3B674B871BBBCE19D_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStock_5416AE4158C2DED3B674B871BBBCE19D" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Distribution to Preferred Shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStock" xlink:label="loc_us-gaap_DividendsPreferredStock_5416AE4158C2DED3B674B871BBBCE19D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStock_5416AE4158C2DED3B674B871BBBCE19D" xlink:to="lab_us-gaap_DividendsPreferredStock_5416AE4158C2DED3B674B871BBBCE19D" xlink:type="arc" />
    <link:label id="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_F359C946B0523EB71697B871BBBC4416_negatedTerseLabel_en-US" xlink:label="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_F359C946B0523EB71697B871BBBC4416" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Amount allocated to unvested restricted shareholders</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AmountAllocatedToUnvestedRestrictedShareholders" xlink:label="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholders_F359C946B0523EB71697B871BBBC4416" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AmountAllocatedToUnvestedRestrictedShareholders_F359C946B0523EB71697B871BBBC4416" xlink:to="lab_bdn_AmountAllocatedToUnvestedRestrictedShareholders_F359C946B0523EB71697B871BBBC4416" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasicAbstract_E23DF3BBEE514FDB402DB871BBBCB0A5_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAbstract_E23DF3BBEE514FDB402DB871BBBCB0A5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic income (loss) per Common Share:</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_E23DF3BBEE514FDB402DB871BBBCB0A5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_E23DF3BBEE514FDB402DB871BBBCB0A5" xlink:to="lab_us-gaap_EarningsPerShareBasicAbstract_E23DF3BBEE514FDB402DB871BBBCB0A5" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4779D16D3B4A11A87E9BB871BBBCD5BF_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4779D16D3B4A11A87E9BB871BBBCD5BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing operations (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4779D16D3B4A11A87E9BB871BBBCD5BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4779D16D3B4A11A87E9BB871BBBCD5BF" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_4779D16D3B4A11A87E9BB871BBBCD5BF" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_B309F9389C174580F2A0B871BBBCF53F_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_B309F9389C174580F2A0B871BBBCF53F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_B309F9389C174580F2A0B871BBBCF53F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_B309F9389C174580F2A0B871BBBCF53F" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_B309F9389C174580F2A0B871BBBCF53F" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareBasic_A76F9CCDDDAE01029D54B871BBBC746E_totalLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic_A76F9CCDDDAE01029D54B871BBBC746E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Basic income (loss) per Common Share (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_A76F9CCDDDAE01029D54B871BBBC746E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic_A76F9CCDDDAE01029D54B871BBBC746E" xlink:to="lab_us-gaap_EarningsPerShareBasic_A76F9CCDDDAE01029D54B871BBBC746E" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted income (loss) per Common Share:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB" xlink:to="lab_us-gaap_EarningsPerShareDilutedAbstract_5B0776B49D2DBC696109B871BBBC70FB" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_EAFF262A5D13398060E7B871BBBC3D52_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_EAFF262A5D13398060E7B871BBBC3D52" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Continuing operations (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_EAFF262A5D13398060E7B871BBBC3D52" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_EAFF262A5D13398060E7B871BBBC3D52" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_EAFF262A5D13398060E7B871BBBC3D52" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_B7EEABF34ED9FF19C080B871BBBC5BBF_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_B7EEABF34ED9FF19C080B871BBBC5BBF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discontinued operations (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_B7EEABF34ED9FF19C080B871BBBC5BBF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_B7EEABF34ED9FF19C080B871BBBC5BBF" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_B7EEABF34ED9FF19C080B871BBBC5BBF" xlink:type="arc" />
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_3AA14A2A1C8582400DB0B871BBBCB140_totalLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted_3AA14A2A1C8582400DB0B871BBBCB140" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Diluted income (loss) per Common Share (in dollars per share)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3AA14A2A1C8582400DB0B871BBBCB140" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted_3AA14A2A1C8582400DB0B871BBBCB140" xlink:to="lab_us-gaap_EarningsPerShareDiluted_3AA14A2A1C8582400DB0B871BBBCB140" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9BB5A08FCA126AA68399B871BBBC715A_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9BB5A08FCA126AA68399B871BBBC715A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic weighted average shares outstanding (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9BB5A08FCA126AA68399B871BBBC715A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9BB5A08FCA126AA68399B871BBBC715A" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9BB5A08FCA126AA68399B871BBBC715A" xlink:type="arc" />
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_944725B47A7FD9EF358BB871BBBCA709_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_944725B47A7FD9EF358BB871BBBCA709" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Diluted weighted average shares outstanding (in shares)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_944725B47A7FD9EF358BB871BBBCA709" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_944725B47A7FD9EF358BB871BBBCA709" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_944725B47A7FD9EF358BB871BBBCA709" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income (loss) attributable to Brandywine Realty Trust</link:label>
    <link:label id="lab_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A_label_en-US" xlink:label="lab_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Amounts Attributable to Parent, Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:label="loc_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A" xlink:to="lab_us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract_489D7E8107627C8D6891B871BBBCE99A" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from continuing operations</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB" xlink:to="lab_us-gaap_IncomeLossFromContinuingOperations_188236432BD171559D6CB871BBBC2DCB" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from discontinued operations</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25" xlink:to="lab_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_9EBCE23E68EDA3F5AAB0B871BBBC9A25" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetIncomeLoss_4861EB24106D082767DCB871BBBCEE35_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss_4861EB24106D082767DCB871BBBCEE35" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income (loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_4861EB24106D082767DCB871BBBCEE35" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLoss_4861EB24106D082767DCB871BBBCEE35" xlink:to="lab_us-gaap_NetIncomeLoss_4861EB24106D082767DCB871BBBCEE35" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Stock by Class [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC_label_en-US" xlink:label="lab_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Stock by Class [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC" xlink:to="lab_us-gaap_ScheduleOfStockByClassTable_55745E3DB3020F3A990CAE5F2B9A0ABC" xlink:type="arc" />
    <link:label id="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC_terseLabel_en-US" xlink:label="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Offering Program [Member]</link:label>
    <link:label id="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC_label_en-US" xlink:label="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Offering Program [Member]</link:label>
    <link:label id="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC_documentation_en-US" xlink:label="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Offering Program [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OfferingProgramMember" xlink:label="loc_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:to="lab_bdn_OfferingProgramMember_6030B7735FD73AFC1AAAAE5F2BA1BAEC" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock [Member]</link:label>
    <link:label id="lab_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954_label_en-US" xlink:label="lab_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="loc_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954" xlink:to="lab_us-gaap_PreferredStockMember_78F42A92A03F6EBEC2A4AE5F2BA17954" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158_terseLabel_en-US" xlink:label="lab_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividend Paid</link:label>
    <link:label id="lab_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158_label_en-US" xlink:label="lab_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividend Paid [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendPaidMember" xlink:label="loc_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158" xlink:to="lab_us-gaap_DividendPaidMember_9818F2E1E826DE2459FBAE5F2BA2B158" xlink:type="arc" />
    <link:label id="lab_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD_label_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD" xlink:to="lab_us-gaap_ClassOfStockLineItems_66FDEBBD0DC457A74692AE5F2BA2ABDD" xlink:type="arc" />
    <link:label id="lab_us-gaap_DividendsPreferredStockCash_875B405E5D39A54B3FE2AE5F2BA89F9F_verboseLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStockCash_875B405E5D39A54B3FE2AE5F2BA89F9F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Dividends paid for preferred shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="loc_us-gaap_DividendsPreferredStockCash_875B405E5D39A54B3FE2AE5F2BA89F9F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStockCash_875B405E5D39A54B3FE2AE5F2BA89F9F" xlink:to="lab_us-gaap_DividendsPreferredStockCash_875B405E5D39A54B3FE2AE5F2BA89F9F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RedemptionPremium_A6AD591875010561DE3EAE5F2BA8847D_terseLabel_en-US" xlink:label="lab_us-gaap_RedemptionPremium_A6AD591875010561DE3EAE5F2BA8847D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption Premium</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RedemptionPremium" xlink:label="loc_us-gaap_RedemptionPremium_A6AD591875010561DE3EAE5F2BA8847D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RedemptionPremium_A6AD591875010561DE3EAE5F2BA8847D" xlink:to="lab_us-gaap_RedemptionPremium_A6AD591875010561DE3EAE5F2BA8847D" xlink:type="arc" />
    <link:label id="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59_verboseLabel_en-US" xlink:label="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Beneficiaries Equity of The Parent Company (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59_label_en-US" xlink:label="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Beneficiaries Equity of The Parent Company (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59_documentation_en-US" xlink:label="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Beneficiaries' Equity Of The Parent Company.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract" xlink:label="loc_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:to="lab_bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_CCA76134F4F3F2C0D490AE5F2BA9BE59" xlink:type="arc" />
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive securities excluded from computation of earnings per share</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_4F7DD7B59F140B181609AE5F2BA9FA37" xlink:type="arc" />
    <link:label id="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA_verboseLabel_en-US" xlink:label="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Shares authorized for Equity Offering Program</link:label>
    <link:label id="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA_label_en-US" xlink:label="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Authorized For Equity Offering Program</link:label>
    <link:label id="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA_documentation_en-US" xlink:label="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Shares Authorized For Equity Offering Program.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SharesAuthorizedForEquityOfferingProgram" xlink:label="loc_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:to="lab_bdn_SharesAuthorizedForEquityOfferingProgram_D41AC749104A096B672FAE5F2BA909DA" xlink:type="arc" />
    <link:label id="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7_verboseLabel_en-US" xlink:label="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum percentage of Gross sale price per share, compensation to sales agents</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7_label_en-US" xlink:label="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum percentage of Gross sale price per share compensation to sales agents</link:label>
    <link:label id="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7_documentation_en-US" xlink:label="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum percentage of Gross sale price per share compensation to sales agents.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents" xlink:label="loc_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:to="lab_bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_8ED7E6A31398BA282399AE5F2BA990F7" xlink:type="arc" />
    <link:label id="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F_verboseLabel_en-US" xlink:label="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Average sales price per share</link:label>
    <link:label id="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F_label_en-US" xlink:label="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Average Sales Price Per Share</link:label>
    <link:label id="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F_documentation_en-US" xlink:label="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Average sales price per share.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AverageSalesPricePerShare" xlink:label="loc_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:to="lab_bdn_AverageSalesPricePerShare_B77076F7045D11D77AF3AE5F2BA9383F" xlink:type="arc" />
    <link:label id="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB_verboseLabel_en-US" xlink:label="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common partnership units issued to the parent company related to redemption</link:label>
    <link:label id="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB_label_en-US" xlink:label="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common partnership units issued to the parent company</link:label>
    <link:label id="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB_documentation_en-US" xlink:label="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common partnership units issued to the parent company.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CommonPartnershipUnitsIssuedToParentCompany" xlink:label="loc_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:to="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_2661121556FD9948FE15AE5F2BAA45BB" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of shares sold by the company</link:label>
    <link:label id="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9_label_en-US" xlink:label="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Shares Sold By Company</link:label>
    <link:label id="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9_documentation_en-US" xlink:label="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Shares Sold By Company.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfSharesSoldByCompany" xlink:label="loc_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:to="lab_bdn_NumberOfSharesSoldByCompany_83DCB7C2618731528D62AE5F2BAA1FD9" xlink:type="arc" />
    <link:label id="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC_verboseLabel_en-US" xlink:label="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Remaining shares available for sales</link:label>
    <link:label id="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC_label_en-US" xlink:label="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remaining Shares Available For Sales</link:label>
    <link:label id="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC_documentation_en-US" xlink:label="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remaining shares available for sales.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RemainingSharesAvailableForSales" xlink:label="loc_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:to="lab_bdn_RemainingSharesAvailableForSales_5D2EA5826D30CC938606AE5F2BAA6DCC" xlink:type="arc" />
    <link:label id="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9_verboseLabel_en-US" xlink:label="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common shares capacity restored</link:label>
    <link:label id="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9_label_en-US" xlink:label="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common shares capacity restored</link:label>
    <link:label id="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9_documentation_en-US" xlink:label="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Common shares capacity restored.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CommonSharesCapacityRestored" xlink:label="loc_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:to="lab_bdn_CommonSharesCapacityRestored_6278F13E17EE7194C0F8AE5F2BAA74C9" xlink:type="arc" />
    <link:label id="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15_verboseLabel_en-US" xlink:label="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Additional shares Expected to be purchased under program</link:label>
    <link:label id="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15_label_en-US" xlink:label="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional shares Expected to be purchased under program</link:label>
    <link:label id="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15_documentation_en-US" xlink:label="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional shares Expected to be purchased under program.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AdditionalSharesExpectedToBePurchasedUnderProgram" xlink:label="loc_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:to="lab_bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_904AC5639670854F4FBCAE5F2BAAAA15" xlink:type="arc" />
    <link:label id="lab_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, Liquidation Preference Per Share</link:label>
    <link:label id="lab_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9_label_en-US" xlink:label="lab_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Liquidation Preference Per Share</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockLiquidationPreference" xlink:label="loc_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9" xlink:to="lab_us-gaap_PreferredStockLiquidationPreference_8853D46711C069A96628AE5F2BAA90D9" xlink:type="arc" />
    <link:label id="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889_terseLabel_en-US" xlink:label="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, per share per annum</link:label>
    <link:label id="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889_label_en-US" xlink:label="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, per share per annum</link:label>
    <link:label id="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889_documentation_en-US" xlink:label="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Preferred Stock, per share per annum</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PreferredStockPerSharePerAnnum" xlink:label="loc_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:to="lab_bdn_PreferredStockPerSharePerAnnum_AF722344CED96355AFB1AE5F2BAB1889" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_67D5AB23E754AAE71D63B718BACC6963_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_67D5AB23E754AAE71D63B718BACC6963" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Bonus and Profit Sharing Plan by Title of Individual [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_67D5AB23E754AAE71D63B718BACC6963" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_67D5AB23E754AAE71D63B718BACC6963" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis_67D5AB23E754AAE71D63B718BACC6963" xlink:type="arc" />
    <link:label id="lab_us-gaap_ExecutiveOfficerMember_BEF6045AEEA3825E42D6B718BAD6CB63_terseLabel_en-US" xlink:label="lab_us-gaap_ExecutiveOfficerMember_BEF6045AEEA3825E42D6B718BAD6CB63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Executive Officer [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExecutiveOfficerMember" xlink:label="loc_us-gaap_ExecutiveOfficerMember_BEF6045AEEA3825E42D6B718BAD6CB63" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ExecutiveOfficerMember_BEF6045AEEA3825E42D6B718BAD6CB63" xlink:to="lab_us-gaap_ExecutiveOfficerMember_BEF6045AEEA3825E42D6B718BAD6CB63" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6FA6238283720000B745B718BAD6E1EE_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6FA6238283720000B745B718BAD6E1EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type and Plan Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6FA6238283720000B745B718BAD6E1EE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6FA6238283720000B745B718BAD6E1EE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6FA6238283720000B745B718BAD6E1EE" xlink:type="arc" />
    <link:label id="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_65541E255FE130724ACBB718BAD67E3A_terseLabel_en-US" xlink:label="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_65541E255FE130724ACBB718BAD67E3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Performance Share Units Plan [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RestrictedPerformanceShareUnitsPlanMember" xlink:label="loc_bdn_RestrictedPerformanceShareUnitsPlanMember_65541E255FE130724ACBB718BAD67E3A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RestrictedPerformanceShareUnitsPlanMember_65541E255FE130724ACBB718BAD67E3A" xlink:to="lab_bdn_RestrictedPerformanceShareUnitsPlanMember_65541E255FE130724ACBB718BAD67E3A" xlink:type="arc" />
    <link:label id="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's restricted share activity</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A_label_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangements Restricted Share Activity [Abstract]</link:label>
    <link:label id="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangements Restricted Share Activity Abstract.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract" xlink:label="loc_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:to="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_FB6A7AACE0FCEBFDBB1FB718BAD6E22A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Non-vested at January 1, 2012, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_0E4585034A75D41F4A74B718BAD667EC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Non-vested at January 1, 2012, Weighted Average Grant Date Fair value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_A3FA62FB6BAE72BA1B2EB718BAD69A5E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Granted, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_DE782A912B0D57C099F6B718BAD66F6E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Granted, Weighted Average Grant Date Fair value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_BE5738F960F6B9F7609DB718BAD63FC4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Vested, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_67BF8CF81ED57E7D39F2B718BAD6DFE4" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Vested, Weighted Average Grant Date Fair value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_A4DC2898C9FE0E167273B718BAD66E7A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545_negatedLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Forfeited, shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_B527D05AB17876C896EFB718BAD6E545" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Forfeited, Weighted Average Grant Date Fair Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_6B3D411FFFC384742855B718BAD6C2DC" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1E72ABCB9FD57FC96991B718BAD6A5AE_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1E72ABCB9FD57FC96991B718BAD6A5AE" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Non-vested at June 30, 2012, shares</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1E72ABCB9FD57FC96991B718BAD6A5AE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1E72ABCB9FD57FC96991B718BAD6A5AE" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_1E72ABCB9FD57FC96991B718BAD6A5AE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_BFE1AF31E34E0BE2D16FB718BAD6CC81_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_BFE1AF31E34E0BE2D16FB718BAD6CC81" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Non-vested at June 30, 2012, Weighted Average Grant Date Fair value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_BFE1AF31E34E0BE2D16FB718BAD6CC81" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_BFE1AF31E34E0BE2D16FB718BAD6CC81" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_BFE1AF31E34E0BE2D16FB718BAD6CC81" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_7F18DEC66D06873EDD7E79960120246B" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale [Member]</link:label>
    <link:label id="lab_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleMember" xlink:label="loc_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A" xlink:to="lab_us-gaap_AssetsHeldForSaleMember_68F40937B9DBE29E84F379960120304A" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024_verboseLabel_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Discontinued Operations [Member]</link:label>
    <link:label id="lab_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024_label_en-US" xlink:label="lab_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment, Discontinued Operations [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024" xlink:to="lab_us-gaap_SegmentDiscontinuedOperationsMember_EC3F48ABC589F936AD7A799601203024" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6_label_en-US" xlink:label="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6" xlink:to="lab_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_3570811B70B803FD63057996012058A6" xlink:type="arc" />
    <link:label id="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6_terseLabel_en-US" xlink:label="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">properties held for sale</link:label>
    <link:label id="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6_label_en-US" xlink:label="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">properties held for sale</link:label>
    <link:label id="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6_documentation_en-US" xlink:label="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of properties held for sale at balance sheet date.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_PropertiesHeldForSale" xlink:label="loc_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:to="lab_bdn_PropertiesHeldForSale_FA1CDFB72FB404C30C117996012053A6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, Long Lived</link:label>
    <link:label id="lab_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, Long Lived</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleLongLived" xlink:label="loc_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7" xlink:to="lab_us-gaap_AssetsHeldForSaleLongLived_66A8BF6CAA94BCA1140279960120C4D7" xlink:type="arc" />
    <link:label id="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7_negatedTerseLabel_en-US" xlink:label="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Accumulated Depreciation</link:label>
    <link:label id="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7_label_en-US" xlink:label="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Accumulated Depreciation Related to Properties Held for Sal</link:label>
    <link:label id="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7_documentation_en-US" xlink:label="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Accumulated Depreciation Related to Properties Held for Sale [Line Items]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal" xlink:label="loc_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:to="lab_bdn_RealEstateAccumulatedDepreciationRelatedToPropertiesHeldForSal_79F72A39568182D0D2CC79960126E6F7" xlink:type="arc" />
    <link:label id="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF_terseLabel_en-US" xlink:label="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Real Estate Investment Properties Held for Sale, Net</link:label>
    <link:label id="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF_label_en-US" xlink:label="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Real Estate Investment Properties Held for Sale, Net</link:label>
    <link:label id="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF_documentation_en-US" xlink:label="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating Real Estate Investment Properties Held for Sale, Net</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet" xlink:label="loc_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:to="lab_bdn_OperatingRealEstateInvestmentPropertiesHeldForSaleNet_7B08F3206DEA904330B879960126B3FF" xlink:type="arc" />
    <link:label id="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6_terseLabel_en-US" xlink:label="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Development in Process</link:label>
    <link:label id="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6_label_en-US" xlink:label="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Development In Process Related to Properties Held-for-sale</link:label>
    <link:label id="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6_documentation_en-US" xlink:label="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Development In Process Related to Properties Held-for-sale</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale" xlink:label="loc_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:to="lab_bdn_DevelopmentInProcessRelatedToPropertiesHeldForSale_8C45D92AFA108AC30877799601269FF6" xlink:type="arc" />
    <link:label id="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017_totalLabel_en-US" xlink:label="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017_label_en-US" xlink:label="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Properties Held for Sale, Net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017_documentation_en-US" xlink:label="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Investment Properties Held for Sale, Net</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_RealEstateInvestmentPropertiesHeldForSaleNet" xlink:label="loc_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:to="lab_bdn_RealEstateInvestmentPropertiesHeldForSaleNet_CF567B4D4FDF71A7339D799601265017" xlink:type="arc" />
    <link:label id="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593_terseLabel_en-US" xlink:label="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net</link:label>
    <link:label id="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593_label_en-US" xlink:label="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable Related to Properties Held-for-sale, net</link:label>
    <link:label id="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593_documentation_en-US" xlink:label="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accounts Receivable Related to Properties Held-for-sale, net</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet" xlink:label="loc_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:to="lab_bdn_AccountsReceivableRelatedToPropertiesHeldForSaleNet_ECB8F672052C0F3B2DAD799601260593" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F_terseLabel_en-US" xlink:label="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs Related to Properties Held-for-Sale</link:label>
    <link:label id="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F_label_en-US" xlink:label="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs Related to Properties Held-for-Sale</link:label>
    <link:label id="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F_documentation_en-US" xlink:label="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred Costs Related to Properties Held-for-Sale</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_DeferredCostsRelatedToPropertiesHeldForSale" xlink:label="loc_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:to="lab_bdn_DeferredCostsRelatedToPropertiesHeldForSale_3C8269D1C8BFD747A4E9799601268D7F" xlink:type="arc" />
    <link:label id="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E_terseLabel_en-US" xlink:label="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Assets Related to Assets Held-for-Sale</link:label>
    <link:label id="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E_label_en-US" xlink:label="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets Related to Assets Held-for-Sale</link:label>
    <link:label id="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E_documentation_en-US" xlink:label="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Assets Related to Assets Held-for-Sale</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_OtherAssetsRelatedToAssetsHeldForSale" xlink:label="loc_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:to="lab_bdn_OtherAssetsRelatedToAssetsHeldForSale_6024B8DF7DE0606C47EF79960126237E" xlink:type="arc" />
    <link:label id="lab_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, Current</link:label>
    <link:label id="lab_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62_label_en-US" xlink:label="lab_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets Held-for-sale, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsHeldForSaleCurrent" xlink:label="loc_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62" xlink:to="lab_us-gaap_AssetsHeldForSaleCurrent_EE0935FD439BCA722D0479960126DA62" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B_verboseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revenue and expense information for the property classified as discontinued operations</link:label>
    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B_label_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_DCC6E22468AFD83CD821799601263A8B" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_7059038C6E9FF33E83157996012712DE_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_7059038C6E9FF33E83157996012712DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rents</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue" xlink:label="loc_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_7059038C6E9FF33E83157996012712DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_7059038C6E9FF33E83157996012712DE" xlink:to="lab_us-gaap_OperatingLeasesIncomeStatementMinimumLeaseRevenue_7059038C6E9FF33E83157996012712DE" xlink:type="arc" />
    <link:label id="lab_us-gaap_TenantReimbursements_3892CECE3DC14258007279960127948F_terseLabel_en-US" xlink:label="lab_us-gaap_TenantReimbursements_3892CECE3DC14258007279960127948F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant Reimbursements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="loc_us-gaap_TenantReimbursements_3892CECE3DC14258007279960127948F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TenantReimbursements_3892CECE3DC14258007279960127948F" xlink:to="lab_us-gaap_TenantReimbursements_3892CECE3DC14258007279960127948F" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainLossOnContractTermination_6E8EC57C7C73F350A1EF7996012796BC_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnContractTermination_6E8EC57C7C73F350A1EF7996012796BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Contract Termination</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainLossOnContractTermination" xlink:label="loc_us-gaap_GainLossOnContractTermination_6E8EC57C7C73F350A1EF7996012796BC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnContractTermination_6E8EC57C7C73F350A1EF7996012796BC" xlink:to="lab_us-gaap_GainLossOnContractTermination_6E8EC57C7C73F350A1EF7996012796BC" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateRevenueNet_F8A7ED3CB43F86CF50307996012720F6_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateRevenueNet_F8A7ED3CB43F86CF50307996012720F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total revenue</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="loc_us-gaap_RealEstateRevenueNet_F8A7ED3CB43F86CF50307996012720F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateRevenueNet_F8A7ED3CB43F86CF50307996012720F6" xlink:to="lab_us-gaap_RealEstateRevenueNet_F8A7ED3CB43F86CF50307996012720F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostsAndExpensesAbstract_6F298EC3E6DB882671A379960127113C_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesAbstract_6F298EC3E6DB882671A379960127113C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expenses:</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_6F298EC3E6DB882671A379960127113C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_6F298EC3E6DB882671A379960127113C" xlink:to="lab_us-gaap_CostsAndExpensesAbstract_6F298EC3E6DB882671A379960127113C" xlink:type="arc" />
    <link:label id="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_6F39B8BA4EBF48E6387B799601270F79_terseLabel_en-US" xlink:label="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_6F39B8BA4EBF48E6387B799601270F79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property operating expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:label="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_6F39B8BA4EBF48E6387B799601270F79" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_6F39B8BA4EBF48E6387B799601270F79" xlink:to="lab_us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment_6F39B8BA4EBF48E6387B799601270F79" xlink:type="arc" />
    <link:label id="lab_us-gaap_RealEstateTaxExpense_BE77FC65C345D25387F479960127D9A9_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateTaxExpense_BE77FC65C345D25387F479960127D9A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate taxes</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealEstateTaxExpense" xlink:label="loc_us-gaap_RealEstateTaxExpense_BE77FC65C345D25387F479960127D9A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateTaxExpense_BE77FC65C345D25387F479960127D9A9" xlink:to="lab_us-gaap_RealEstateTaxExpense_BE77FC65C345D25387F479960127D9A9" xlink:type="arc" />
    <link:label id="lab_us-gaap_DepreciationAndAmortization_2A659D405FA6CB7CB9A9799601277E23_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization_2A659D405FA6CB7CB9A9799601277E23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="loc_us-gaap_DepreciationAndAmortization_2A659D405FA6CB7CB9A9799601277E23" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization_2A659D405FA6CB7CB9A9799601277E23" xlink:to="lab_us-gaap_DepreciationAndAmortization_2A659D405FA6CB7CB9A9799601277E23" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingExpenses_91F7A39FDF860796CED8799601284D9D_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses_91F7A39FDF860796CED8799601284D9D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total operating expenses</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_91F7A39FDF860796CED8799601284D9D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses_91F7A39FDF860796CED8799601284D9D" xlink:to="lab_us-gaap_OperatingExpenses_91F7A39FDF860796CED8799601284D9D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_D90F5630AD7958DBCBE17996012884BF_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_D90F5630AD7958DBCBE17996012884BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income from discontinued operations before gain on sale of interests in real estate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_D90F5630AD7958DBCBE17996012884BF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_D90F5630AD7958DBCBE17996012884BF" xlink:to="lab_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax_D90F5630AD7958DBCBE17996012884BF" xlink:type="arc" />
    <link:label id="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1151C37E408BF278652D7996012897F6_terseLabel_en-US" xlink:label="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1151C37E408BF278652D7996012897F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net gain on disposition of discontinued operations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1151C37E408BF278652D7996012897F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1151C37E408BF278652D7996012897F6" xlink:to="lab_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1151C37E408BF278652D7996012897F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value of liabilities on recurring basis</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement Inputs, Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76" xlink:to="lab_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_9D6C4A0E0B154664621F8DFFEADC4A76" xlink:type="arc" />
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A_terseLabel_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities</link:label>
    <link:label id="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A_label_en-US" xlink:label="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Available-for-sale Securities [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AvailableForSaleSecuritiesTextBlock" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A" xlink:to="lab_us-gaap_AvailableForSaleSecuritiesTextBlock_E3369753BCCFB63BFA8D8DFFEEBA645A" xlink:type="arc" />
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615_verboseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">COMMITMENTS AND CONTINGENCIES</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_85D9B6EEB3AF1DF08274DED776E16615" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event [Table]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="loc_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369" xlink:to="lab_us-gaap_SubsequentEventTable_0F7342131A312749B7F6DED777B39369" xlink:type="arc" />
    <link:label id="lab_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990_terseLabel_en-US" xlink:label="lab_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">6.90% Series E Cumulative Redeemable Preferred Shares</link:label>
    <link:label id="lab_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990_label_en-US" xlink:label="lab_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Redeemable Preferred Stock [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RedeemablePreferredStockMember" xlink:label="loc_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990" xlink:to="lab_us-gaap_RedeemablePreferredStockMember_A854C251F0D7082CE835DED777B3F990" xlink:type="arc" />
    <link:label id="lab_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013_terseLabel_en-US" xlink:label="lab_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance of Equity</link:label>
    <link:label id="lab_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013_label_en-US" xlink:label="lab_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Issuance of Equity [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IssuanceOfEquityMember" xlink:label="loc_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013" xlink:to="lab_us-gaap_IssuanceOfEquityMember_402827B9A9D1D8B2B09FDED777B3E013" xlink:type="arc" />
    <link:label id="lab_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event [Line Items]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2_label_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="loc_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2" xlink:to="lab_us-gaap_SubsequentEventLineItems_212FC0E263DA70C01F68DED777B3C7A2" xlink:type="arc" />
    <link:label id="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E_terseLabel_en-US" xlink:label="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Properties Sold</link:label>
    <link:label id="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E_label_en-US" xlink:label="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Properties Sold Subsequent to Balance Sheet Date</link:label>
    <link:label id="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E_documentation_en-US" xlink:label="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Properties Sold Subsequent to Balance Sheet Date</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate" xlink:label="loc_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:to="lab_bdn_NumberOfPropertiesSoldSubsequentToBalanceSheetDate_2A8312BDEC2FB685772CDED777B3D92E" xlink:type="arc" />
    <link:label id="lab_bdn_NetRentableSpace_D28D5C633FD20E9F27ADDED777B348EF_terseLabel_en-US" xlink:label="lab_bdn_NetRentableSpace_D28D5C633FD20E9F27ADDED777B348EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Rentable Space</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_NetRentableSpace" xlink:label="loc_bdn_NetRentableSpace_D28D5C633FD20E9F27ADDED777B348EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NetRentableSpace_D28D5C633FD20E9F27ADDED777B348EF" xlink:to="lab_bdn_NetRentableSpace_D28D5C633FD20E9F27ADDED777B348EF" xlink:type="arc" />
    <link:label id="lab_bdn_SaleConsiderationOfSoldProperty_65204B2CD8A6EBAF9BB3DED777B39E89_terseLabel_en-US" xlink:label="lab_bdn_SaleConsiderationOfSoldProperty_65204B2CD8A6EBAF9BB3DED777B39E89" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale Consideration Of Sold Property</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_SaleConsiderationOfSoldProperty" xlink:label="loc_bdn_SaleConsiderationOfSoldProperty_65204B2CD8A6EBAF9BB3DED777B39E89" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SaleConsiderationOfSoldProperty_65204B2CD8A6EBAF9BB3DED777B39E89" xlink:to="lab_bdn_SaleConsiderationOfSoldProperty_65204B2CD8A6EBAF9BB3DED777B39E89" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE" xlink:to="lab_us-gaap_BusinessAcquisitionAxis_A3E2982EA5767F9DD030AD382A304AEE" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain_705553C5842A90734ABCAD382A30996F" xlink:type="arc" />
    <link:label id="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4_terseLabel_en-US" xlink:label="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Three Logan Square [Member]</link:label>
    <link:label id="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4_label_en-US" xlink:label="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Three Logan Square [Member]</link:label>
    <link:label id="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4_documentation_en-US" xlink:label="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Three Logan square.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_ThreeLoganSquareMember" xlink:label="loc_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:to="lab_bdn_ThreeLoganSquareMember_70C7F40786E70B8F09A9AD382A3019E4" xlink:type="arc" />
    <link:label id="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528_terseLabel_en-US" xlink:label="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ground Lease [Member]</link:label>
    <link:label id="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528_label_en-US" xlink:label="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ground Lease [Member]</link:label>
    <link:label id="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528_documentation_en-US" xlink:label="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ground Lease [Member]</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_GroundLeaseMember" xlink:label="loc_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:to="lab_bdn_GroundLeaseMember_37EBE8025C0E8BF10887AD382A30B528" xlink:type="arc" />
    <link:label id="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D_terseLabel_en-US" xlink:label="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D_label_en-US" xlink:label="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D_documentation_en-US" xlink:label="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments And Contingencies.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CommitmentsAndContingenciesTextualsAbstract" xlink:label="loc_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:to="lab_bdn_CommitmentsAndContingenciesTextualsAbstract_6E9D2AE52571FDF17296AD382A30429D" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A_verboseLabel_en-US" xlink:label="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum remaining lease period</link:label>
    <link:label id="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A_label_en-US" xlink:label="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum remaining lease period</link:label>
    <link:label id="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A_documentation_en-US" xlink:label="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum remaining lease period.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MinimumRemainingLeasePeriod" xlink:label="loc_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:to="lab_bdn_MinimumRemainingLeasePeriod_C8D4D619179630250718AD382A30D57A" xlink:type="arc" />
    <link:label id="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591_verboseLabel_en-US" xlink:label="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum remaining lease period</link:label>
    <link:label id="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591_label_en-US" xlink:label="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum remaining lease period</link:label>
    <link:label id="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591_documentation_en-US" xlink:label="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum remaining lease period.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MaximumRemainingLeasePeriod" xlink:label="loc_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:to="lab_bdn_MaximumRemainingLeasePeriod_D89798CAC33431513C1FAD382A302591" xlink:type="arc" />
    <link:label id="lab_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E_terseLabel_en-US" xlink:label="lab_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual rental payment under ground lease</link:label>
    <link:label id="lab_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E_label_en-US" xlink:label="lab_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Description of Related Party Leasing Arrangements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DescriptionOfRelatedPartyLeasingArrangements" xlink:label="loc_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E" xlink:to="lab_us-gaap_DescriptionOfRelatedPartyLeasingArrangements_B4CC4D2F9AC0C5D5E8D8AD382A30CE3E" xlink:type="arc" />
    <link:label id="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34_terseLabel_en-US" xlink:label="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Annual rental payment during initial term of ground lease</link:label>
    <link:label id="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34_label_en-US" xlink:label="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Annual rental payment during initial term of ground lease</link:label>
    <link:label id="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34_documentation_en-US" xlink:label="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Annual rental payment during initial term of ground lease</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease" xlink:label="loc_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:to="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_3E1B9D28133BF8430951AD382A308D34" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C_verboseLabel_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payment</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C_label_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Amount Of Annual Rental Payment</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C_documentation_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payment.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MinimumAmountOfAnnualRentalPayment" xlink:label="loc_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:to="lab_bdn_MinimumAmountOfAnnualRentalPayment_634CA9EBEEABD37B25C6AD382A30873C" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133_verboseLabel_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payments</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133_label_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Amount Of Annual Rental Payments</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133_documentation_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payments.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_MinimumAmountOfAnnualRentalPayments" xlink:label="loc_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:to="lab_bdn_MinimumAmountOfAnnualRentalPayments_53A3934CD3C4B784EABEAD382A30B133" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45_verboseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Aggregate fair market rent future payment as of the date of acquisition</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_03A05CCB9EC281B2B5C0AD382A30EE45" xlink:type="arc" />
    <link:label id="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818_terseLabel_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Area of Two Logan Square in Philadelphia</link:label>
    <link:label id="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818_label_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leased Area Of Building</link:label>
    <link:label id="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818_documentation_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leased area of building.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_LeasedAreaOfBuilding" xlink:label="loc_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:to="lab_bdn_LeasedAreaOfBuilding_456D56E384756B39FCA6AD382A30A818" xlink:type="arc" />
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E_verboseLabel_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount to be paid if the Company takes fee title to Two Logan Square upon foreclosure of related mortgage</link:label>
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E_label_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">If the Company takes fee title to Two Logan Square upon a foreclosure of its mortgage, the Company has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property</link:label>
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E_documentation_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">If the Company takes fee title to Two Logan Square upon a foreclosure of its mortgage, the Company has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" xlink:label="loc_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:to="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_990A7CA01DA76EBC0D46AD382A30C23E" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8_verboseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liability related to acquisition of TRC</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Liabilities Incurred</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8" xlink:to="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_99F8458BC4FC7003AFC4AD382A3086C8" xlink:type="arc" />
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA_verboseLabel_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA_label_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA_documentation_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_AccretionOfLiabilityRelatedToAcquisition" xlink:label="loc_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:to="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_98A83D8E4139174483E6AD382A30B7FA" xlink:type="arc" />
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838_verboseLabel_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Balance portion of acquisition related liability</link:label>
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838_label_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Portion Of Acquisition Related Liability</link:label>
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838_documentation_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance portion of acquisition related liability.</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_BalancePortionOfAcquisitionRelatedLiability" xlink:label="loc_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:to="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_B4ABC1442CA91CA1E6E4AD382A307838" xlink:type="arc" />
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D_verboseLabel_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Agreed holding period (not to sell) for properties acquired as part of the TRC acquisition</link:label>
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D_label_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</link:label>
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D_documentation_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</link:label>
    <link:loc xlink:href="bdn-20120930.xsd#bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod" xlink:label="loc_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:to="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_E79CE4760CE2BE533776AD382A30F16D" xlink:type="arc" />
  </link:labelLink>
</link:linkbase>
