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<!--Based on XBRL 2.1-->
<!--Modified on: 8/3/2011 10:54:41 AM-->
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:to="lab_RealEstateInvestmentPropertyAccumulatedDepreciation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateInvestmentPropertyAccumulatedDepreciation" xml:lang="en-US">Real Estate Investment Property, Accumulated Depreciation</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_RealEstateInvestmentPropertyAccumulatedDepreciation" xml:lang="en-US">Accumulated depreciation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementTable" xml:lang="en-US">Statement [Table]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="lab_CommonStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockMember" xml:lang="en-US">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockMember" xml:lang="en-US">Common Stock</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesCPreferredStockMember" xlink:to="lab_SeriesCPreferredStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeriesCPreferredStockMember" xml:lang="en-US">Series C Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeriesCPreferredStockMember" xml:lang="en-US">7.50% Series C Preferred Shares</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeriesDPreferredStockMember" xml:lang="en-US">7.375% Series D Preferred Shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="lab_StatementLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementLineItems" xml:lang="en-US">Statement [Line Items]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsAbstract" xlink:to="lab_AssetsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateInvestmentPropertyNetAbstract" xml:lang="en-US">Real Estate Investments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_RealEstateInvestmentPropertyNetAbstract" xml:lang="en-US">Real estate investments, at cost:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateInvestmentPropertyNetAbstract" xml:lang="en-US">Real estate investments:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateInvestmentPropertyNet" xml:lang="en-US">Real Estate Investment Property, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_RealEstateInvestmentPropertyNet" xml:lang="en-US">Operating real estate investments, net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_CashAndCashEquivalentsAtCarryingValue" />
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNet" xlink:label="us-gaap_AccountsReceivableNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableNet" xlink:to="lab_AccountsReceivableNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccountsReceivableNet" xml:lang="en-US">Accounts Receivable, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccountsReceivableNet" xml:lang="en-US">Accounts receivable, net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NotesReceivableNet" xlink:label="us-gaap_NotesReceivableNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotesReceivableNet" xml:lang="en-US">Notes receivable</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="lab_OtherAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherAssets" xml:lang="en-US">Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherAssets" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherAssets" xml:lang="en-US">Prepaid real estate taxes from acquisition</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">Liabilities and Stockholders' Equity [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCredit" xml:lang="en-US">Long-term Line of Credit</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeniorNotes" xml:lang="en-US">Unsecured senior notes, net of discounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accounts Payable and Accrued Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xml:lang="en-US">Accounts payable and accrued expenses</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherLiabilities" xlink:to="lab_OtherLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherLiabilities" xml:lang="en-US">Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherLiabilities" xml:lang="en-US">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="lab_Liabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Liabilities" xml:lang="en-US">Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingencies2009" xlink:label="us-gaap_CommitmentsAndContingencies2009" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies2009" xlink:to="lab_CommitmentsAndContingencies2009" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommitmentsAndContingencies2009" xml:lang="en-US">Commitments and contingencies (Note 17)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommitmentsAndContingencies2009" xml:lang="en-US">Commitments and Contingencies</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="lab_StockholdersEquityAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquityAbstract" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="lab_PreferredStockValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockValue" xml:lang="en-US">Preferred Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockValue" xml:lang="en-US">Preferred Shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockValue" xml:lang="en-US">Common Stock, Value, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockValue" xml:lang="en-US">Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 200,000,000; 135,536,709 and 134,601,796 issued in 2011 and 2010, respectively and 135,536,709 and 134,485,117 outstanding in 2011 and 2010, respectively</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdditionalPaidInCapital" xml:lang="en-US">Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdditionalPaidInCapital" xml:lang="en-US">Additional paid-in capital</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedDistributionsInExcessOfNetIncome" xml:lang="en-US">Accumulated Distributions in Excess of Net Income</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterest" xml:lang="en-US">Stockholders' Equity Attributable to Noncontrolling Interest</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquity" xml:lang="en-US">Stockholders' Equity Attributable to Parent</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_StockholdersEquity" xml:lang="en-US">Total Brandywine Realty Trust's equity</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Liabilities and Stockholders' Equity</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SubsequentEventsAbstract" xlink:to="bdn_SubsequentEventsAbstract_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SubsequentEventsAbstract_lbl" xml:lang="en-US">Subsequent Events.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommitmentsAndContingenciesAbstract" xlink:label="bdn_CommitmentsAndContingenciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommitmentsAndContingenciesAbstract" xlink:to="bdn_CommitmentsAndContingenciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommitmentsAndContingenciesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommitmentsAndContingenciesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SegmentInformationAbstract" xlink:label="bdn_SegmentInformationAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SegmentInformationAbstract_lbl" xml:lang="en-US">Segment Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SegmentInformationAbstract_lbl" xml:lang="en-US">Segment Information.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueOfFinancialInstrumentsAbstract" xlink:label="bdn_FairValueOfFinancialInstrumentsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueOfFinancialInstrumentsAbstract" xlink:to="bdn_FairValueOfFinancialInstrumentsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments.</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="lab_EarningsPerShareBasicAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareBasicAbstract" xml:lang="en-US">Earnings Per Share, Basic [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareBasicAbstract" xml:lang="en-US">Earnings per Common Share:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareBasicAbstract" xml:lang="en-US">Basic loss per Common Share:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:to="lab_IncomeLossFromContinuingOperationsPerBasicShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsPerBasicShare" xml:lang="en-US">Loss from continuing operations attributable to common shareholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperationsPerBasicShare" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Basic Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsPerBasicShare" xml:lang="en-US">Continuing operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xml:lang="en-US">Discontinued operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="lab_EarningsPerShareBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Net loss attributable to common shareholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Basic loss per Common Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareBasic" xml:lang="en-US">Basic -- as reported</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="lab_EarningsPerShareDilutedAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareDilutedAbstract" xml:lang="en-US">Earnings Per Share, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareDilutedAbstract" xml:lang="en-US">Diluted loss per Common Share:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:to="lab_IncomeLossFromContinuingOperationsPerDilutedShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperationsPerDilutedShare" xml:lang="en-US">Income (Loss) from Continuing Operations, Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsPerDilutedShare" xml:lang="en-US">Loss from continuing operations attributable to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromContinuingOperationsPerDilutedShare" xml:lang="en-US">Diluted - as reported</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsPerDilutedShare" xml:lang="en-US">Continuing operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:to="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xml:lang="en-US">Discontinued operations attributable to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xml:lang="en-US">Discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xml:lang="en-US">Discontinued operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="lab_EarningsPerShareDiluted" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Net loss attributable to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Diluted loss per Common Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareDiluted" xml:lang="en-US">Diluted - as reported</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="lab_CommonStockDividendsPerShareDeclared" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockDividendsPerShareDeclared" xml:lang="en-US">Dividends declared per Common Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockDividendsPerShareDeclared" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_WeightedAverageNumberOfSharesOutstandingBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Total weighted-average shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingBasic" xml:lang="en-US">Basic weighted average shares outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Total weighted-average shares outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfDilutedSharesOutstanding" xml:lang="en-US">Diluted weighted average shares outstanding</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US">Cash and cash equivalents at end of period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRentReceivablesNet" xlink:label="us-gaap_DeferredRentReceivablesNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredRentReceivablesNet" xml:lang="en-US">Accrued rent receivable, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredRentReceivablesNet" xml:lang="en-US">Deferred Rent Receivables, Net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Finite-Lived Intangible Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsNet" xml:lang="en-US">Intangible assets, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_Assets" xml:lang="en-US">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US">LIABILITIES AND BENEFICIARIES' EQUITY</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DividendsPayableCurrentAndNoncurrent" xml:lang="en-US">Distributions payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_Liabilities" xml:lang="en-US">Total liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockholdersEquityAbstract" xml:lang="en-US">Brandywine Realty Trust's equity:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Total Brandywine Realty Trust's equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Total equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LiabilitiesAndStockholdersEquity" xml:lang="en-US">Total liabilities and equity</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholders_lbl" xml:lang="en-US">Amount allocated to unvested restricted shareholders</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholders_lbl" xml:lang="en-US">Amount allocable to unvested restricted shareholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholders_lbl" xml:lang="en-US">Amount allocated to unvested restricted shareholders.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="lab_ProfitLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProfitLoss" xml:lang="en-US">Net loss</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="lab_NetIncomeLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLoss" xml:lang="en-US">Net Income (Loss) Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetIncomeLoss" xml:lang="en-US">Net loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLoss" xml:lang="en-US">Net loss attributable to Brandywine Realty Trust</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:to="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Discontinued operations attributable to common shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Income (loss) from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xml:lang="en-US">Income from discontinued operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperations" xlink:to="lab_IncomeLossFromContinuingOperations" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Parent, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperations" xml:lang="en-US">Loss from continuing operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:label="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xlink:to="lab_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xml:lang="en-US">Income Amounts Attributable to Parent, Disclosures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeAmountsAttributableToReportingEntityDisclosuresAbstract" xml:lang="en-US">Net loss attributable to Brandywine Realty Trust</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net loss attributable to common unitholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net loss attributable to Common Shareholders of Brandywine Realty Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersBasic" xml:lang="en-US">Net loss attributable to common shareholders, Basic</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockDividends" xlink:label="us-gaap_PreferredStockDividends" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividends" xlink:to="lab_PreferredStockDividends" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockDividends" xml:lang="en-US">Preferred Stock Dividends</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PreferredStockDividends" xml:lang="en-US">Distribution to Preferred Shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_NetIncomeLossAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net (loss) income from continuing operations attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US">Net loss attributable to non-controlling interests</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:to="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Net income from discontinued operations attributable to non-controlling interests - LP units</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:label="us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xlink:to="lab_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xml:lang="en-US">Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xml:lang="en-US">Discontinued operations attributable to non-controlling interests</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax" xml:lang="en-US">Net gain on disposition of discontinued operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xlink:to="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xml:lang="en-US">Discontinued operations:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTaxAbstract" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="lab_GainsLossesOnExtinguishmentOfDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Gains (Losses) on Extinguishment of Debt</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Loss on early extinguishment of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Loss on early extinguishment of debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GainsLossesOnExtinguishmentOfDebt" xml:lang="en-US">Loss on early extinguishment of debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="us-gaap_AmortizationOfFinancingCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfFinancingCosts" xlink:to="lab_AmortizationOfFinancingCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Interest expense - amortization of deferred financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Deferred Financing Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfFinancingCosts" xml:lang="en-US">Amortization of deferred financing costs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpense" xlink:to="lab_InterestExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpense" xml:lang="en-US">Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_InterestExpense" xml:lang="en-US">Interest expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestExpense" xml:lang="en-US">Interest expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="lab_NonoperatingIncomeExpenseAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Other Income (Expense):</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NonoperatingIncomeExpenseAbstract" xml:lang="en-US">Nonoperating Income (Expense) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingIncomeLoss" xml:lang="en-US">Operating Income (Loss)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralAndAdministrativeExpense" xml:lang="en-US">General and Administrative Expense</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_GeneralAndAdministrativeExpense" xml:lang="en-US">Administrative expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_GeneralAndAdministrativeExpense" xml:lang="en-US">General and administrative expenses</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationAndAmortization" xlink:to="lab_DepreciationAndAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DepreciationAndAmortization" xml:lang="en-US">Depreciation, Depletion and Amortization, Nonproduction</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DepreciationAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ServiceManagementCosts" xlink:label="us-gaap_ServiceManagementCosts" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ServiceManagementCosts" xml:lang="en-US">Third party management expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ServiceManagementCosts" xml:lang="en-US">Service Management Costs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RealEstateTaxExpense" xlink:label="us-gaap_RealEstateTaxExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateTaxExpense" xlink:to="lab_RealEstateTaxExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateTaxExpense" xml:lang="en-US">Real estate taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateTaxExpense" xml:lang="en-US">Real Estate Tax Expense</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:label="us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xlink:to="lab_DirectCostsOfLeasedAndRentedPropertyOrEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xml:lang="en-US">Property operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DirectCostsOfLeasedAndRentedPropertyOrEquipment" xml:lang="en-US">Direct Costs of Leased and Rented Property or Equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RealEstateRevenueNet" xlink:label="us-gaap_RealEstateRevenueNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateRevenueNet" xlink:to="lab_RealEstateRevenueNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateRevenueNet" xml:lang="en-US">Real Estate Revenue, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_RealEstateRevenueNet" xml:lang="en-US">Total revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateRevenueNet" xml:lang="en-US">Total revenue</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherRealEstateRevenue" xlink:label="us-gaap_OtherRealEstateRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherRealEstateRevenue" xlink:to="lab_OtherRealEstateRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherRealEstateRevenue" xml:lang="en-US">Other Real Estate Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OtherRealEstateRevenue" xml:lang="en-US">Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherRealEstateRevenue" xml:lang="en-US">Other</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TenantReimbursements" xlink:label="us-gaap_TenantReimbursements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TenantReimbursements" xlink:to="lab_TenantReimbursements" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TenantReimbursements" xml:lang="en-US">Tenant reimbursements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TenantReimbursements" xml:lang="en-US">Tenant Reimbursements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinimumRents" xlink:label="us-gaap_MinimumRents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumRents" xlink:to="lab_MinimumRents" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinimumRents" xml:lang="en-US">Rents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinimumRents" xml:lang="en-US">Minimum Rents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:to="lab_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xml:lang="en-US">Unrealized gain (loss) on derivative financial instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xml:lang="en-US">Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xlink:to="lab_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive Income, Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive income (loss)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="lab_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive loss attributable to non-controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive Income, Net of Tax, Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US">Comprehensive (income) loss attributable to non-controlling interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ComprehensiveIncomeNetOfTax" xlink:to="lab_ComprehensiveIncomeNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ComprehensiveIncomeNetOfTax" xml:lang="en-US">Comprehensive Income, Net of Tax, Attributable to Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ComprehensiveIncomeNetOfTax" xml:lang="en-US">Comprehensive income (loss) attributable to Brandywine Realty Trust</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:to="lab_StatementOfIncomeAndComprehensiveIncomeAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfIncomeAndComprehensiveIncomeAbstract" xml:lang="en-US">Consolidated Statements of Comprehensive Income [Abstract]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_StraightLineRent" xlink:label="bdn_StraightLineRent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_StraightLineRent" xlink:to="bdn_StraightLineRent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_StraightLineRent_lbl" xml:lang="en-US">Straight line rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_StraightLineRent_lbl" xml:lang="en-US">Straight-line rent income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_StraightLineRent_lbl" xml:lang="en-US">Straight-line rent.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Cash flows from operating activities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US">Adjustments to reconcile net loss to net cash from operating activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="us-gaap_AmortizationOfDebtDiscountPremium" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfDebtDiscountPremium" xlink:to="lab_AmortizationOfDebtDiscountPremium" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfDebtDiscountPremium" xml:lang="en-US">Amortization of Debt Discount (Premium)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_ProvisionForDoubtfulAccounts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProvisionForDoubtfulAccounts" xml:lang="en-US">Provision for doubtful accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProvisionForDoubtfulAccounts" xml:lang="en-US">Provision for Doubtful Accounts</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="lab_IncreaseDecreaseInOperatingCapitalAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US">Changes in assets and liabilities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="lab_IncreaseDecreaseInAccountsReceivable" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingAssets" xlink:to="lab_IncreaseDecreaseInOtherOperatingAssets" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="lab_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Accounts payable and accrued expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:to="lab_IncreaseDecreaseInOtherOperatingLiabilities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInOtherOperatingLiabilities" xml:lang="en-US">Increase (Decrease) in Other Operating Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInOtherOperatingLiabilities" xml:lang="en-US">Other liabilities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_NetCashProvidedByUsedInOperatingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash from operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US">Net cash from operating activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US">Cash flows from investing activities:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Sales of properties, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US">Proceeds from Sale of Property, Plant, and Equipment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_NetCashProvidedByUsedInInvestingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net cash used in investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US">Net cash used in investing activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Cash flows from financing activities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:label="us-gaap_ProceedsFromLongTermLinesOfCredit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromLongTermLinesOfCredit" xlink:to="lab_ProceedsFromLongTermLinesOfCredit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromLongTermLinesOfCredit" xml:lang="en-US">Proceeds from Credit Facility borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromLongTermLinesOfCredit" xml:lang="en-US">Proceeds from Long-term Lines of Credit</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:label="us-gaap_RepaymentsOfLongTermLinesOfCredit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermLinesOfCredit" xlink:to="lab_RepaymentsOfLongTermLinesOfCredit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfLongTermLinesOfCredit" xml:lang="en-US">Repayments of Credit Facility borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfLongTermLinesOfCredit" xml:lang="en-US">Repayments of Long-term Lines of Credit</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfFinancingCosts" xlink:label="us-gaap_PaymentsOfFinancingCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfFinancingCosts" xlink:to="lab_PaymentsOfFinancingCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PaymentsOfFinancingCosts" xml:lang="en-US">Debt financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PaymentsOfFinancingCosts" xml:lang="en-US">Payments of Financing Costs, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsOfFinancingCosts" xml:lang="en-US">Payments of Financing Costs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_ProceedsFromIssuanceOfCommonStock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Proceeds from Issuance of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Net proceeds from issuance of common shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US">Net proceeds from issuance of shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividendsMinorityInterest" xlink:label="us-gaap_PaymentsOfDividendsMinorityInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividendsMinorityInterest" xlink:to="lab_PaymentsOfDividendsMinorityInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsOfDividendsMinorityInterest" xml:lang="en-US">Payments of Dividends, Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PaymentsOfDividendsMinorityInterest" xml:lang="en-US">Distributions to noncontrolling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PaymentsOfDividendsMinorityInterest" xml:lang="en-US">Distributions paid to noncontrolling interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_NetCashProvidedByUsedInFinancingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net cash from (used in) financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Beginning Balance</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesIssued" xlink:label="us-gaap_SharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssued" xlink:to="lab_SharesIssued" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_SharesIssued" xml:lang="en-US">Beginning Balance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_SharesIssued" xml:lang="en-US">Ending Balance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SharesIssued" xml:lang="en-US">Shares, Issued</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TrusteeFeesPaidInShares" xlink:label="bdn_TrusteeFeesPaidInShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TrusteeFeesPaidInShares" xlink:to="bdn_TrusteeFeesPaidInShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TrusteeFeesPaidInShares_lbl" xml:lang="en-US">Trustee Fees Paid in Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TrusteeFeesPaidInShares_lbl" xml:lang="en-US">Trustee Fees Paid in Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TrusteeFeesPaidInShares_lbl" xml:lang="en-US">Trustee Fees Paid in Shares.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareIssuanceFromDeferredCompensationPlan" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareIssuanceFromDeferredCompensationPlan" xlink:to="bdn_ShareIssuanceFromDeferredCompensationPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlan_lbl" xml:lang="en-US">Share Issuance from Deferred Compensation Plan</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlan_lbl" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlan_lbl" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareIssuanceFromDeferredCompensationPlanShares" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlanShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareIssuanceFromDeferredCompensationPlanShares" xlink:to="bdn_ShareIssuanceFromDeferredCompensationPlanShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlanShares_lbl" xml:lang="en-US">Share Issuance from Deferred Compensation Plan shares</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlanShares_lbl" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareIssuanceFromDeferredCompensationPlanShares_lbl" xml:lang="en-US">Share Issuance from/to Deferred Compensation Plan.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="lab_EntityRegistrantName" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityRegistrantName" xml:lang="en-US">Entity Registrant Name</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="lab_EntityCentralIndexKey" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityCentralIndexKey" xml:lang="en-US">Entity Central Index Key</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentType" xlink:label="dei_DocumentType" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="lab_DocumentType" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentType" xml:lang="en-US">Document Type</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="lab_DocumentPeriodEndDate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentPeriodEndDate" xml:lang="en-US">Document Period End Date</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="lab_AmendmentFlag" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmendmentFlag" xml:lang="en-US">Amendment Flag</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="dei_CurrentFiscalYearEndDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CurrentFiscalYearEndDate" xlink:to="lab_CurrentFiscalYearEndDate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CurrentFiscalYearEndDate" xml:lang="en-US">Current Fiscal Year End Date</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="dei_EntityWellKnownSeasonedIssuer" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_EntityWellKnownSeasonedIssuer" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityWellKnownSeasonedIssuer" xml:lang="en-US">Entity Well-known Seasoned Issuer</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="dei_EntityVoluntaryFilers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityVoluntaryFilers" xlink:to="lab_EntityVoluntaryFilers" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityVoluntaryFilers" xml:lang="en-US">Entity Voluntary Filers</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCurrentReportingStatus" xlink:to="lab_EntityCurrentReportingStatus" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityCurrentReportingStatus" xml:lang="en-US">Entity Current Reporting Status</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="lab_EntityFilerCategory" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityFilerCategory" xml:lang="en-US">Entity Filer Category</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityPublicFloat" xlink:label="dei_EntityPublicFloat" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="lab_EntityPublicFloat" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityPublicFloat" xml:lang="en-US">Entity Public Float</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCommonStockSharesOutstanding" xlink:to="lab_EntityCommonStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityCommonStockSharesOutstanding" xml:lang="en-US">Entity Common Stock, Shares Outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_PreferredStockParOrStatedValuePerShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockParOrStatedValuePerShare" xml:lang="en-US">Preferred Shares, par value</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_PreferredStockSharesAuthorized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred Stock, Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockSharesAuthorized" xml:lang="en-US">Preferred Shares, shares authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="us-gaap_PreferredStockSharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesIssued" xlink:to="lab_PreferredStockSharesIssued" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockSharesIssued" xml:lang="en-US">Preferred Stock, Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockSharesIssued" xml:lang="en-US">Preferred Shares, shares issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_PreferredStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockSharesOutstanding" xml:lang="en-US">Preferred Stock, Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockSharesOutstanding" xml:lang="en-US">Preferred Shares, shares outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_CommonStockParOrStatedValuePerShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockParOrStatedValuePerShare" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="lab_CommonStockSharesAuthorized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockSharesAuthorized" xml:lang="en-US">Common Stock, Shares Authorized</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="lab_CommonStockSharesIssued" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockSharesIssued" xml:lang="en-US">Common Stock, Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_CommonStockSharesIssued" xml:lang="en-US">Shares issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockSharesIssued" xml:lang="en-US">Common Shares of Brandywine Realty Trust's beneficial interest, shares issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="lab_CommonStockSharesOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Stock, Shares Outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockShares" xlink:to="lab_TreasuryStockShares" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockShares" xml:lang="en-US">Treasury Stock, Shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_StatementOfStockholdersEquityAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfStockholdersEquityAbstract" xml:lang="en-US">Consolidated Statements of Beneficiaries' Equity [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsPreferredStockCash" xlink:label="us-gaap_DividendsPreferredStockCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPreferredStockCash" xlink:to="lab_DividendsPreferredStockCash" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DividendsPreferredStockCash" xml:lang="en-US">Dividends, Preferred Stock, Cash</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_DividendsPreferredStockCash" xml:lang="en-US">Preferred Share distributions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="lab_StatementEquityComponentsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementEquityComponentsAxis" xml:lang="en-US">Statement, Equity Components [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityComponentDomain" xlink:to="lab_EquityComponentDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityComponentDomain" xml:lang="en-US">Equity Component [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentMember" xlink:to="lab_ParentMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParentMember" xml:lang="en-US">Parent [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_AdditionalPaidInCapitalMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional Paid In Capital [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdditionalPaidInCapitalMember" xml:lang="en-US">Additional Paid-in Capital</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:label="us-gaap_DeferredCompensationShareBasedPaymentsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationShareBasedPaymentsMember" xlink:to="lab_DeferredCompensationShareBasedPaymentsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCompensationShareBasedPaymentsMember" xml:lang="en-US">Deferred Compensation Share Based Payments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCompensationShareBasedPaymentsMember" xml:lang="en-US">Deferred Compensation Payable in Common Stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TreasuryStockMember" xlink:to="lab_TreasuryStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TreasuryStockMember" xml:lang="en-US">Treasury Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TreasuryStockMember" xml:lang="en-US">Treasury Stock</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="lab_RetainedEarningsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RetainedEarningsMember" xml:lang="en-US">Cumulative Earnings [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RetainedEarningsMember" xml:lang="en-US">Cumulative Earnings</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember" xlink:label="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedDistributionsInExcessOfNetIncomeMember" xlink:to="lab_AccumulatedDistributionsInExcessOfNetIncomeMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedDistributionsInExcessOfNetIncomeMember" xml:lang="en-US">Accumulated Distributions In Excess Of Net Income [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedDistributionsInExcessOfNetIncomeMember" xml:lang="en-US">Cumulative Distributions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_AccumulatedOtherComprehensiveIncomeMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive Income [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedOtherComprehensiveIncomeMember" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncontrollingInterestMember" xlink:to="lab_NoncontrollingInterestMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NoncontrollingInterestMember" xml:lang="en-US">Noncontrolling Interest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NoncontrollingInterestMember" xml:lang="en-US">Non-Controlling Interests</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_StatementOfCashFlowsAbstract" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="lab_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US">Increase (decrease) in cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="us-gaap_EquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestments" xlink:to="lab_EquityMethodInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestments" xml:lang="en-US">Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EquityMethodInvestments" xml:lang="en-US">Company's share of equity (Company's basis)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestments" xml:lang="en-US">Investment in real estate ventures, at equity</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="lab_SignificantAccountingPoliciesTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SignificantAccountingPoliciesTextBlock" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:label="us-gaap_IntangibleAssetsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsDisclosureTextBlock" xlink:to="lab_IntangibleAssetsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IntangibleAssetsDisclosureTextBlock" xml:lang="en-US">INTANGIBLE ASSETS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IntangibleAssetsDisclosureTextBlock" xml:lang="en-US">Intangible Assets Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtObligationsAbstract" xlink:label="bdn_DebtObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtObligationsAbstract" xlink:to="bdn_DebtObligationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtObligationsAbstract_lbl" xml:lang="en-US">Debt Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtObligationsAbstract_lbl" xml:lang="en-US">Debt Obligations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="lab_DebtDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtDisclosureTextBlock" xml:lang="en-US">DEBT OBLIGATIONS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtDisclosureTextBlock" xml:lang="en-US">Debt Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DiscontinuedOperationsAbstract" xlink:label="bdn_DiscontinuedOperationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DiscontinuedOperationsAbstract" xlink:to="bdn_DiscontinuedOperationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DiscontinuedOperationsAbstract_lbl" xml:lang="en-US">Discontinued Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DiscontinuedOperationsAbstract_lbl" xml:lang="en-US">Discontinued Operations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" xml:lang="en-US">DISCONTINUED OPERATIONS</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationAbstract" xml:lang="en-US">Share Based and Deferred Compensation [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SummaryOfTaxCreditCarryforwardsTextBlock" xlink:label="us-gaap_SummaryOfTaxCreditCarryforwardsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SummaryOfTaxCreditCarryforwardsTextBlock" xlink:to="lab_SummaryOfTaxCreditCarryforwardsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SummaryOfTaxCreditCarryforwardsTextBlock" xml:lang="en-US">TAX CREDIT TRANSACTIONS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SummaryOfTaxCreditCarryforwardsTextBlock" xml:lang="en-US">Summary of Tax Credit Carryforwards [Text Block]</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentReportingDisclosureTextBlock" xml:lang="en-US">SEGMENT INFORMATION</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">COMMITMENTS AND CONTINGENCIES</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSubsequentEventsTextBlock" xlink:label="us-gaap_ScheduleOfSubsequentEventsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSubsequentEventsTextBlock" xlink:to="lab_ScheduleOfSubsequentEventsTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfSubsequentEventsTextBlock" xml:lang="en-US">SUBSEQUENT EVENTS</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RealEstateRevenueNetAbstract" xlink:label="us-gaap_RealEstateRevenueNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateRevenueNetAbstract" xlink:to="lab_RealEstateRevenueNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateRevenueNetAbstract" xml:lang="en-US">Revenue:</label>
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    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnContractTermination" xlink:label="us-gaap_GainLossOnContractTermination" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnContractTermination" xlink:to="lab_GainLossOnContractTermination" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GainLossOnContractTermination" xml:lang="en-US">Termination fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainLossOnContractTermination" xml:lang="en-US">Gain (Loss) on Contract Termination</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostsAndExpensesAbstract" xlink:label="us-gaap_CostsAndExpensesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsAndExpensesAbstract" xlink:to="lab_CostsAndExpensesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostsAndExpensesAbstract" xml:lang="en-US">Costs and Expenses [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_CostsAndExpensesAbstract" xml:lang="en-US">Expenses:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostsAndExpensesAbstract" xml:lang="en-US">Operating Expenses:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentIncomeInterest" xlink:to="lab_InvestmentIncomeInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Interest income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentIncomeInterest" xml:lang="en-US">Investment Income, Interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_IncomeLossFromEquityMethodInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Income (Loss) from Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Company's share of income (Company's basis)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestments" xml:lang="en-US">Equity in income of real estate ventures</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Loss from continuing operations, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Income (loss) from operations (includes depreciation and intangible asset amortization)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US">Loss from continuing operations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:to="lab_IncomeLossFromDiscontinuedOperationsNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Income from discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Total discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromDiscontinuedOperationsNetOfTax" xml:lang="en-US">Discontinued operations attributable to common unitholders</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetGainOnSaleOfInterestsInRealEstate" xlink:label="bdn_NetGainOnSaleOfInterestsInRealEstate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetGainOnSaleOfInterestsInRealEstate" xlink:to="bdn_NetGainOnSaleOfInterestsInRealEstate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetGainOnSaleOfInterestsInRealEstate_lbl" xml:lang="en-US">Net gain on sale of interests in real estate</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_NetGainOnSaleOfInterestsInRealEstate_lbl" xml:lang="en-US">Net gain on sale of interests in real estate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetGainOnSaleOfInterestsInRealEstate_lbl" xml:lang="en-US">Net gain on sale of interests in real estate.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:to="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="us-gaap_EquityMethodInvestmentDividendsOrDistributions" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:to="lab_EquityMethodInvestmentDividendsOrDistributions" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentDividendsOrDistributions" xml:lang="en-US">Cash distributions from unconsolidated Real Estate Ventures in excess of cumulative equity income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentDividendsOrDistributions" xml:lang="en-US">Equity Method Investment, Dividends or Distributions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="us-gaap_CapitalExpendituresIncurredButNotYetPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:to="lab_CapitalExpendituresIncurredButNotYetPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalExpendituresIncurredButNotYetPaid" xml:lang="en-US">Capital Expenditures Incurred but Not yet Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalExpendituresIncurredButNotYetPaid" xml:lang="en-US">Change in capital expenditures financed through accounts payable at period end</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US">Supplemental disclosure of non-cash activity:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="lab_InterestPaidNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Cash paid for interest, net of capitalized interest during the six months ended June 30, 2011 and 2010 of $ 859 and $6,791, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest Paid, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_InterestPaidNet" xml:lang="en-US">Interest Paid, Net, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_SupplementalCashFlowInformationAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SupplementalCashFlowInformationAbstract" xml:lang="en-US">Supplemental disclosure:</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommonSharesInGrantorTrust" xlink:label="bdn_CommonSharesInGrantorTrust" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommonSharesInGrantorTrust" xlink:to="bdn_CommonSharesInGrantorTrust_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommonSharesInGrantorTrust_lbl" xml:lang="en-US">Common shares in grantor trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommonSharesInGrantorTrust_lbl" xml:lang="en-US">Common shares in grantor trust, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommonSharesInGrantorTrust_lbl" xml:lang="en-US">Common shares in grantor trust.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCostsAbstract" xlink:label="us-gaap_DeferredCostsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsAbstract" xlink:to="lab_DeferredCostsAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCostsAbstract" xml:lang="en-US">Deferred Costs [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_FairValueDisclosuresTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xml:lang="en-US">Comprehensive income (loss):</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Total comprehensive income (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xml:lang="en-US">Comprehensive income</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AmortizationOfESOPAward" xlink:label="us-gaap_AmortizationOfESOPAward" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AmortizationOfESOPAward" xlink:to="lab_AmortizationOfESOPAward" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfESOPAward" xml:lang="en-US">Stock Option Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AmortizationOfESOPAward" xml:lang="en-US">Amortization of ESOP Award</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xlink:to="lab_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" />
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="us-gaap_DividendsCommonStockCash" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsCommonStockCash" xlink:to="lab_DividendsCommonStockCash" />
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_DividendsCommonStockCash" xml:lang="en-US">Distributions declared $0.30 per share in 2011 and 2010, respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DividendsCommonStockCash" xml:lang="en-US">Dividends, Common Stock, Cash</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_StockIssuedDuringPeriodValueNewIssues" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Stock Issued During Period, Value, New Issues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueNewIssues" xml:lang="en-US">Issuance of Common Shares of Beneficial Interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_StockIssuedDuringPeriodSharesNewIssues" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Issue of shares under Offering Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US">Issuance of Common Shares of Beneficial Interest, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:to="lab_StockIssuedDuringPeriodValueRestrictedStockAwardGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xml:lang="en-US">Vesting of Restricted Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xml:lang="en-US">Stock Issued During Period, Value, Restricted Stock Award, Gross</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:to="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xml:lang="en-US">Vesting of Restricted Stock, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Gross</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_ProceedsFromLongTermLinesOfCredit" xml:lang="en-US">Proceeds from Credit Facility borrowings</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PaymentsOfFinancingCosts" xml:lang="en-US">Debt financing costs</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_RepaymentsOfLongTermLinesOfCredit" xml:lang="en-US">Repayments of Credit Facility borrowings</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantAccountingPoliciesAbstract" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantAccountingPoliciesAbstract" xlink:to="bdn_SummaryOfSignificantAccountingPoliciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RealEstateDisclosureTextBlock" xlink:label="us-gaap_RealEstateDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateDisclosureTextBlock" xlink:to="lab_RealEstateDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateDisclosureTextBlock" xml:lang="en-US">REAL ESTATE INVESTMENTS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateDisclosureTextBlock" xml:lang="en-US">Real Estate Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract" xlink:to="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesAbstract" xml:lang="en-US">Investment in Unconsolidated Ventures [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:label="us-gaap_EquityMethodInvestmentsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:to="lab_EquityMethodInvestmentsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentsDisclosureTextBlock" xml:lang="en-US">INVESTMENT IN UNCONSOLIDATED VENTURES</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentsDisclosureTextBlock" xml:lang="en-US">Equity Method Investments Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="us-gaap_StockholdersEquityNoteAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteAbstract" xlink:to="lab_StockholdersEquityNoteAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockholdersEquityNoteAbstract" xml:lang="en-US">Beneficiaries Equity of The Parent Company [Abstract]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes" xlink:label="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes" xlink:to="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes_lbl" xml:lang="en-US">Cumulative interest accretion on repayments of unsecured notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes_lbl" xml:lang="en-US">Cumulative interest accretion of repayments of unsecured notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CumulativeInterestAccretionOnRepaymentsOfUnsecuredNotes_lbl" xml:lang="en-US">Cumulative interest accretion on repayments of unsecured notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Liabilities" xml:lang="en-US">Total liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockParOrStatedValuePerShare" xml:lang="en-US">Common Shares of Brandywine Realty Trust's beneficial interest, par value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockSharesAuthorized" xml:lang="en-US">Common Shares of Brandywine Realty Trust's beneficial interest, shares authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockSharesOutstanding" xml:lang="en-US">Common Shares of Brandywine Realty Trust's beneficial interest, shares outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TreasuryStockShares" xml:lang="en-US">Common shares in treasury, at cost, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_CommonStockDividendsPerShareDeclared" xml:lang="en-US">Distributions declared, per share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueDisclosuresTextBlock" xml:lang="en-US">FAIR VALUE OF FINANCIAL INSTRUMENTS</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DevelopmentInProcess" xlink:label="us-gaap_DevelopmentInProcess" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DevelopmentInProcess" xlink:to="lab_DevelopmentInProcess" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DevelopmentInProcess" xml:lang="en-US">Construction-in-progress</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DevelopmentInProcess" xml:lang="en-US">Development in Process</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LandAvailableForDevelopment" xlink:label="us-gaap_LandAvailableForDevelopment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LandAvailableForDevelopment" xlink:to="lab_LandAvailableForDevelopment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LandAvailableForDevelopment" xml:lang="en-US">Land Available for Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LandAvailableForDevelopment" xml:lang="en-US">Land inventory</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebt" xlink:to="lab_SecuredDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SecuredDebt" xml:lang="en-US">Mortgage notes payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_SecuredDebt" xml:lang="en-US">Total mortgage indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SecuredDebt" xml:lang="en-US">Mortgage notes payable</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OffMarketLeaseUnfavorable" xlink:label="us-gaap_OffMarketLeaseUnfavorable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OffMarketLeaseUnfavorable" xlink:to="lab_OffMarketLeaseUnfavorable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OffMarketLeaseUnfavorable" xml:lang="en-US">Below market leases acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OffMarketLeaseUnfavorable" xml:lang="en-US">Off-market Lease, Unfavorable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_OffMarketLeaseUnfavorable" xml:lang="en-US">Acquired below market leases, net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockIssuedEmployeeStockTrust" xlink:label="us-gaap_CommonStockIssuedEmployeeStockTrust" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockIssuedEmployeeStockTrust" xlink:to="lab_CommonStockIssuedEmployeeStockTrust" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CommonStockIssuedEmployeeStockTrust" xml:lang="en-US">Common Stock Issued, Employee Stock Trust</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_CommonStockIssuedEmployeeStockTrust" xml:lang="en-US">Common shares in grantor trust, 295,852 in 2011 and 291,281 in 2010</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CommonStockIssuedEmployeeStockTrust" xml:lang="en-US">Common shares in grantor trust, 255,700 in 2009 and 215,742 in 2008</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ManagementFeesRevenue" xlink:label="us-gaap_ManagementFeesRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ManagementFeesRevenue" xlink:to="lab_ManagementFeesRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ManagementFeesRevenue" xml:lang="en-US">Management Fees Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ManagementFeesRevenue" xml:lang="en-US">Third party management fees, labor reimbursement and leasing</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="lab_OperatingExpenses" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OperatingExpenses" xml:lang="en-US">Total operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_OperatingExpenses" xml:lang="en-US">Total operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OperatingExpenses" xml:lang="en-US">Operating Expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xlink:to="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xml:lang="en-US">Income from discontinued operations before gain on sale of interests in real estate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodNetOfTax" xml:lang="en-US">Income from discontinued operations</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AcquiredAboveBelowMarketLeasesNet" xlink:label="bdn_AcquiredAboveBelowMarketLeasesNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AcquiredAboveBelowMarketLeasesNet" xlink:to="bdn_AcquiredAboveBelowMarketLeasesNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AcquiredAboveBelowMarketLeasesNet_lbl" xml:lang="en-US">Acquired above (below) market leases, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AcquiredAboveBelowMarketLeasesNet_lbl" xml:lang="en-US">Amortization of acquired above (below) market leases to rental revenue, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AcquiredAboveBelowMarketLeasesNet_lbl" xml:lang="en-US">Acquired above (below) market leases, net.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireAndDevelopRealEstate" xlink:label="us-gaap_PaymentsToAcquireAndDevelopRealEstate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireAndDevelopRealEstate" xlink:to="lab_PaymentsToAcquireAndDevelopRealEstate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PaymentsToAcquireAndDevelopRealEstate" xml:lang="en-US">Capital expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PaymentsToAcquireAndDevelopRealEstate" xml:lang="en-US">Payments to Acquire and Develop Real Estate, Total</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PaymentsToAcquireAndDevelopRealEstate" xml:lang="en-US">Capital expenditures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsToAcquireAndDevelopRealEstate" xml:lang="en-US">Payments to Acquire and Develop Real Estate</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LeasingCosts" xlink:label="bdn_LeasingCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LeasingCosts" xlink:to="bdn_LeasingCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LeasingCosts_lbl" xml:lang="en-US">Leasing costs</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_LeasingCosts_lbl" xml:lang="en-US">Leasing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LeasingCosts_lbl" xml:lang="en-US">Leasing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LeasingCosts_lbl" xml:lang="en-US">Leasing costs.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfSecuredDebt" xlink:label="us-gaap_RepaymentsOfSecuredDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfSecuredDebt" xlink:to="lab_RepaymentsOfSecuredDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RepaymentsOfSecuredDebt" xml:lang="en-US">Repayments of mortgage notes payable</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_RepaymentsOfSecuredDebt" xml:lang="en-US">Repayments of mortgage notes payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfSecuredDebt" xml:lang="en-US">Repayments of Secured Debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfUnsecuredDebt" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfUnsecuredDebt" xlink:to="lab_RepaymentsOfUnsecuredDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RepaymentsOfUnsecuredDebt" xml:lang="en-US">Repayments of Unsecured Debt</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_RepaymentsOfUnsecuredDebt" xml:lang="en-US">Repayments of unsecured notes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="lab_PaymentsOfDividends" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsOfDividends" xml:lang="en-US">Payments of Dividends</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PaymentsOfDividends" xml:lang="en-US">Distributions paid to shareholders</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_PaymentsOfDividends" xml:lang="en-US">Distributions paid to shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_PaymentsOfDividends" xml:lang="en-US">Payments of Dividends, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PaymentsOfDividends" xml:lang="en-US">Distributions paid to shareholders</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="lab_StockIssuedDuringPeriodValueShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueShareBasedCompensation" xml:lang="en-US">Bonus Share Issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueShareBasedCompensation" xml:lang="en-US">Stock Issued During Period, Value, Share-based Compensation</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:label="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:to="lab_StockIssuedDuringPeriodSharesShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesShareBasedCompensation" xml:lang="en-US">Bonus Share Issuance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesShareBasedCompensation" xml:lang="en-US">Stock Issued During Period, Shares, Share-based Compensation</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RestrictedStockAmortization" xlink:label="bdn_RestrictedStockAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RestrictedStockAmortization" xlink:to="bdn_RestrictedStockAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RestrictedStockAmortization_lbl" xml:lang="en-US">Restricted Stock Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RestrictedStockAmortization_lbl" xml:lang="en-US">Restricted Stock Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RestrictedStockAmortization_lbl" xml:lang="en-US">Restricted Stock Amortization.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RestrictedPerformanceUnitsAmortization" xlink:label="bdn_RestrictedPerformanceUnitsAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RestrictedPerformanceUnitsAmortization" xlink:to="bdn_RestrictedPerformanceUnitsAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RestrictedPerformanceUnitsAmortization_lbl" xml:lang="en-US">Restricted Performance Units Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RestrictedPerformanceUnitsAmortization_lbl" xml:lang="en-US">Restricted Performance Units Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RestrictedPerformanceUnitsAmortization_lbl" xml:lang="en-US">Restricted Performance Units Amortization.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OutperformancePlanAmortization" xlink:label="bdn_OutperformancePlanAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OutperformancePlanAmortization" xlink:to="bdn_OutperformancePlanAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OutperformancePlanAmortization_lbl" xml:lang="en-US">Outperformance Plan Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OutperformancePlanAmortization_lbl" xml:lang="en-US">Outperformance Plan Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OutperformancePlanAmortization_lbl" xml:lang="en-US">Outperformance Plan Amortization.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TrusteeFeesPaidInSharesUnits" xlink:label="bdn_TrusteeFeesPaidInSharesUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TrusteeFeesPaidInSharesUnits" xlink:to="bdn_TrusteeFeesPaidInSharesUnits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TrusteeFeesPaidInSharesUnits_lbl" xml:lang="en-US">Trustee Fees Paid in Shares Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TrusteeFeesPaidInSharesUnits_lbl" xml:lang="en-US">Trustee Fees Paid in Shares, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TrusteeFeesPaidInSharesUnits_lbl" xml:lang="en-US">Trustee Fees Paid in Shares, Units.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsTextBlock" xlink:label="bdn_DeferredCostsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsTextBlock" xlink:to="bdn_DeferredCostsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsTextBlock_lbl" xml:lang="en-US">Deferred Costs [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredCostsTextBlock_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsTextBlock_lbl" xml:lang="en-US">Deferred Costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract" xlink:to="bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US">Risk Management and Use of Financial Instruments [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsAbstract_lbl" xml:lang="en-US">Risk management and use of financial instruments.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">RISK MANAGEMENT AND USE OF FINANCIAL INSTRUMENTS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BeneficiariesEquityTextBlock" xlink:label="bdn_BeneficiariesEquityTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BeneficiariesEquityTextBlock" xlink:to="bdn_BeneficiariesEquityTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BeneficiariesEquityTextBlock_lbl" xml:lang="en-US">Beneficiaries Equity [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BeneficiariesEquityTextBlock_lbl" xml:lang="en-US">BENEFICIARIES' EQUITY OF THE PARENT COMPANY</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BeneficiariesEquityTextBlock_lbl" xml:lang="en-US">Beneficiaries' Equity.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCompensationPayableInCommonStock" xlink:label="bdn_DeferredCompensationPayableInCommonStock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCompensationPayableInCommonStock" xlink:to="bdn_DeferredCompensationPayableInCommonStock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCompensationPayableInCommonStock_lbl" xml:lang="en-US">Deferred compensation payable in common stock</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_DeferredCompensationPayableInCommonStock_lbl" xml:lang="en-US">Deferred compensation payable in common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCompensationPayableInCommonStock_lbl" xml:lang="en-US">Deferred compensation payable in common stock.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="us-gaap_SubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsidiariesMember" xlink:to="lab_SubsidiariesMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SubsidiariesMember" xml:lang="en-US">Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SubsidiariesMember" xml:lang="en-US">BRANDYWINE OPERATING PARTNERSHIP, L.P.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SeriesEPreferredStockMember" xlink:label="us-gaap_SeriesEPreferredStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SeriesEPreferredStockMember" xlink:to="lab_SeriesEPreferredStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SeriesEPreferredStockMember" xml:lang="en-US">Series E Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SeriesEPreferredStockMember" xml:lang="en-US">7.375% Series E Preferred Shares</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RedeemableLimitedPartnershipUnitsIssued" xlink:label="bdn_RedeemableLimitedPartnershipUnitsIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RedeemableLimitedPartnershipUnitsIssued" xlink:to="bdn_RedeemableLimitedPartnershipUnitsIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RedeemableLimitedPartnershipUnitsIssued_lbl" xml:lang="en-US">Redeemable Limited Partnership Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RedeemableLimitedPartnershipUnitsIssued_lbl" xml:lang="en-US">Redeemable limited partnership, units issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RedeemableLimitedPartnershipUnitsIssued_lbl" xml:lang="en-US">Redeemable Limited Partnership Units Issued.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RedeemableLimitedPartnershipUnitsOutstanding" xlink:label="bdn_RedeemableLimitedPartnershipUnitsOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RedeemableLimitedPartnershipUnitsOutstanding" xlink:to="bdn_RedeemableLimitedPartnershipUnitsOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RedeemableLimitedPartnershipUnitsOutstanding_lbl" xml:lang="en-US">Redeemable Limited Partnership Units Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RedeemableLimitedPartnershipUnitsOutstanding_lbl" xml:lang="en-US">Redeemable limited partnership, units outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RedeemableLimitedPartnershipUnitsOutstanding_lbl" xml:lang="en-US">Redeemable Limited Partnership Units Outstanding.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TemporaryEquityAbstract" xlink:label="us-gaap_TemporaryEquityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TemporaryEquityAbstract" xlink:to="lab_TemporaryEquityAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TemporaryEquityAbstract" xml:lang="en-US">Temporary Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TemporaryEquityAbstract" xml:lang="en-US">Redeemable limited partnership units</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RedeemableLimitedPartnershipUnits" xlink:label="bdn_RedeemableLimitedPartnershipUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RedeemableLimitedPartnershipUnits" xlink:to="bdn_RedeemableLimitedPartnershipUnits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Redeemable Limited Partnership Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Redeemable limited partnership units at redemption value; 9,809,759 and 9,902,752 issued and outstanding in 2011 and 2010, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Redeemable Limited Partnership Units.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="lab_LegalEntityAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LegalEntityAxis" xml:lang="en-US">Legal Entity [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityDomain" xlink:to="lab_EntityDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EntityDomain" xml:lang="en-US">Entity [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsIssued" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccountUnitsIssued" xlink:to="lab_GeneralPartnersCapitalAccountUnitsIssued" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralPartnersCapitalAccountUnitsIssued" xml:lang="en-US">General Partners' Capital Account, Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GeneralPartnersCapitalAccountUnitsIssued" xml:lang="en-US">General Partners' Capital account, units issued</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:label="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccountUnitsOutstanding" xlink:to="lab_GeneralPartnersCapitalAccountUnitsOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralPartnersCapitalAccountUnitsOutstanding" xml:lang="en-US">General Partners' Capital Account, Units Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GeneralPartnersCapitalAccountUnitsOutstanding" xml:lang="en-US">General Partners' Capital account, units outstanding</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DocumentAndEntityInformationAbstract" xlink:label="bdn_DocumentAndEntityInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DocumentAndEntityInformationAbstract" xlink:to="bdn_DocumentAndEntityInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document and Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DocumentAndEntityInformationAbstract_lbl" xml:lang="en-US">Document And Entity Information.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SeriesDPreferredStocksMember" xlink:label="bdn_SeriesDPreferredStocksMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SeriesDPreferredStocksMember" xlink:to="bdn_SeriesDPreferredStocksMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SeriesDPreferredStocksMember_lbl" xml:lang="en-US">Series D Preferred Stocks [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SeriesDPreferredStocksMember_lbl" xml:lang="en-US">7.50% Series D Preferred Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SeriesDPreferredStocksMember_lbl" xml:lang="en-US">Series D Preferred Stocks.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="us-gaap_GeneralPartnersCapitalAccount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccount" xlink:to="lab_GeneralPartnersCapitalAccount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralPartnersCapitalAccount" xml:lang="en-US">General Partners' Capital Account, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GeneralPartnersCapitalAccount" xml:lang="en-US">General Partnership Capital, 135,536,709 and 134,601,796 units issued in 2011 and 2010, respectively and 135,536,709 and 134,485,117 units outstanding in 2011 and 2010, respectively</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="dei_DocumentFiscalYearFocus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalYearFocus" xlink:to="lab_DocumentFiscalYearFocus" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentFiscalYearFocus" xml:lang="en-US">Document Fiscal Year Focus</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/dei-2009-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="dei_DocumentFiscalPeriodFocus" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentFiscalPeriodFocus" xlink:to="lab_DocumentFiscalPeriodFocus" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DocumentFiscalPeriodFocus" xml:lang="en-US">Document Fiscal Period Focus</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships" xlink:label="us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestInNetIncomeLossLimitedPartnerships" xlink:to="lab_MinorityInterestInNetIncomeLossLimitedPartnerships" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterestInNetIncomeLossLimitedPartnerships" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest, Limited Partnerships</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_MinorityInterestInNetIncomeLossLimitedPartnerships" xml:lang="en-US">Net loss attributable to non-controlling interests - LP units</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd" xlink:label="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd" xlink:to="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_lbl" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_lbl" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ChangeInCapitalExpendituresFinancedThroughRetentionPayableAtPeriodEnd_lbl" xml:lang="en-US">Change in capital expenditures financed through retention payable at period end</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ChangeInUnfundedTenantAllowance" xlink:label="bdn_ChangeInUnfundedTenantAllowance" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ChangeInUnfundedTenantAllowance" xlink:to="bdn_ChangeInUnfundedTenantAllowance_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ChangeInUnfundedTenantAllowance_lbl" xml:lang="en-US">Change in unfunded tenant allowance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ChangeInUnfundedTenantAllowance_lbl" xml:lang="en-US">Change in unfunded tenant allowance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ChangeInUnfundedTenantAllowance_lbl" xml:lang="en-US">Change in unfunded tenant allowance</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashPaidForCapitalizedInterest" xlink:label="us-gaap_CashPaidForCapitalizedInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashPaidForCapitalizedInterest" xlink:to="lab_CashPaidForCapitalizedInterest" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashPaidForCapitalizedInterest" xml:lang="en-US">Cash Paid for Capitalized Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashPaidForCapitalizedInterest" xml:lang="en-US">Capitalized interest</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashDivestedFromDeconsolidation" xlink:label="us-gaap_CashDivestedFromDeconsolidation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashDivestedFromDeconsolidation" xlink:to="lab_CashDivestedFromDeconsolidation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CashDivestedFromDeconsolidation" xml:lang="en-US">Cash Divested from Deconsolidation</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_CashDivestedFromDeconsolidation" xml:lang="en-US">Decrease in cash due to the deconsolidation of variable interest entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CashDivestedFromDeconsolidation" xml:lang="en-US">Decrease in cash due to the deconsolidation of variable interest entities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xlink:to="lab_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xml:lang="en-US">Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" xml:lang="en-US">Equity issuance costs</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xlink:label="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xlink:to="lab_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xml:lang="en-US">Cumulative Effect of Initial Adoption of New Accounting Principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CumulativeEffectOfInitialAdoptionOfNewAccountingPrinciple" xml:lang="en-US">Cumulative Effect of Accounting Change for Variable Interest Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AmortizationOfDebtDiscountPremium" xml:lang="en-US">Amortization of debt discount/(premium), net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensation" xlink:to="lab_ShareBasedCompensation" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensation" xml:lang="en-US">Share-based Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensation" xml:lang="en-US">Non-cash compensation expense</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts" xlink:label="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts" xlink:to="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions From Historic Tax Credit Transaction Net Of Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions from historic tax credit transaction, net of deferred costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions from historic tax credit transaction, net of deferred costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Amount received in advance for project cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Income (Loss) from Equity Method Investments, Net of Dividends or Distributions</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Real estate venture income in excess of distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Income (Loss) from Equity Method Investments, Net of Dividends or Distributions, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xml:lang="en-US">Real estate venture income in excess of distributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Increase (Decrease) in Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInAccountsReceivable" xml:lang="en-US">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Increase (Decrease) in Other Operating Assets</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncreaseDecreaseInOtherOperatingAssets" xml:lang="en-US">Other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeStatementAbstract" xml:lang="en-US">Consolidated Statements of Operations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfCashFlowsAbstract" xml:lang="en-US">Consolidated Statements of Cash Flows [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xml:lang="en-US">Adjustments to Additional Paid in Capital, Reallocation of Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest" xml:lang="en-US">Adjustment to Non-controlling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xml:lang="en-US">Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xml:lang="en-US">Reclassification of realized (gains)/losses on derivative financial instruments to operations, net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negatedTotal" xlink:label="lab_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xml:lang="en-US">Reclassification of realized (gains)/losses on derivative financial instruments to operations, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherComprehensiveIncomeReclassificationAdjustmentOnDerivativesIncludedInNetIncomeNetOfTax" xml:lang="en-US">Reclassification of realized (gains) losses on derivative financial instruments to operations, net</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AdvancesToTenantForPurchaseOfTenantAssets" xlink:label="bdn_AdvancesToTenantForPurchaseOfTenantAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AdvancesToTenantForPurchaseOfTenantAssets" xlink:to="bdn_AdvancesToTenantForPurchaseOfTenantAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AdvancesToTenantForPurchaseOfTenantAssets_lbl" xml:lang="en-US">Advances To Tenant For Purchase Of Tenant Assets</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_AdvancesToTenantForPurchaseOfTenantAssets_lbl" xml:lang="en-US">Advances for purchase of tenant assets, net of repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AdvancesToTenantForPurchaseOfTenantAssets_lbl" xml:lang="en-US">Advances for purchase of tenant assets, net of repayments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AdvancesToTenantForPurchaseOfTenantAssets_lbl" xml:lang="en-US">Advances to tenant for purchase of tenant assets.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities" xlink:label="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities" xlink:to="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change In Real Estate Investments Due To The Deconsolidation Of Variable Interest Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change in real estate investments due to the deconsolidation of variable interest entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ChangeInRealEstateInvestmentsDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change in real estate investments due to the deconsolidation of variable interest entities</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities" xlink:label="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities" xlink:to="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change In Mortgage Notes Payable Due To The Deconsolidation Of Variable Interest Entities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change in mortgage notes payable due to the deconsolidation of variable interest entities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ChangeInMortgageNotesPayableDueToDeconsolidationOfVariableInterestEntities_lbl" xml:lang="en-US">Change in mortgage notes payable due to the deconsolidation of variable interest entities</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NonControllingInterestsInParentCompanyAbstract" xlink:label="bdn_NonControllingInterestsInParentCompanyAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NonControllingInterestsInParentCompanyAbstract" xlink:to="bdn_NonControllingInterestsInParentCompanyAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NonControllingInterestsInParentCompanyAbstract_lbl" xml:lang="en-US">Non Controlling Interests in the Parent Company [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NonControllingInterestsInParentCompanyAbstract_lbl" xml:lang="en-US">Non Controlling Interests In The Parent Company Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnersEquityOfOperatingPartnershipAbstract" xlink:label="bdn_PartnersEquityOfOperatingPartnershipAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnersEquityOfOperatingPartnershipAbstract" xlink:to="bdn_PartnersEquityOfOperatingPartnershipAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnersEquityOfOperatingPartnershipAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnersEquityOfOperatingPartnershipAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnersEquityOfOperatingPartnershipTextBlock" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnersEquityOfOperatingPartnershipTextBlock" xlink:to="bdn_PartnersEquityOfOperatingPartnershipTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextBlock_lbl" xml:lang="en-US">Partners Equity of Operating Partnership [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextBlock_lbl" xml:lang="en-US">PARTNERS' EQUITY OF THE OPERATING PARTNERSHIP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextBlock_lbl" xml:lang="en-US">Partners Equity of Operating Partnership Text Block.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GeneralPoliciesAbstract" xlink:label="us-gaap_GeneralPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPoliciesAbstract" xlink:to="lab_GeneralPoliciesAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GeneralPoliciesAbstract" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GeneralPoliciesAbstract" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="lab_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xml:lang="en-US">ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireRealEstate" xlink:label="us-gaap_PaymentsToAcquireRealEstate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsToAcquireRealEstate" xlink:to="us-gaap_PaymentsToAcquireRealEstate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xml:lang="en-US">Payments To Acquire Real Estate</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xml:lang="en-US">Acquisition of properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xml:lang="en-US">Payments to Acquire Real Estate, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PaymentsToAcquireRealEstate_lbl" xml:lang="en-US">Total cash paid after the assumption of security deposit obligations of existing tenants in property</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract" xlink:to="bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipDetailsAbstract_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable" xlink:to="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTable_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ThirdPartiesAndRealEstateVenturesMember" xlink:label="bdn_ThirdPartiesAndRealEstateVenturesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ThirdPartiesAndRealEstateVenturesMember" xlink:to="bdn_ThirdPartiesAndRealEstateVenturesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ThirdPartiesAndRealEstateVenturesMember_lbl" xml:lang="en-US">Third Parties and Real Estate Ventures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ThirdPartiesAndRealEstateVenturesMember_lbl" xml:lang="en-US">Third Parties and Unconsolidated Real Estate Ventures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ThirdPartiesAndRealEstateVenturesMember_lbl" xml:lang="en-US">Third Parties and Real Estate Ventures.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ManagementCompanySubsidiariesMember" xlink:label="bdn_ManagementCompanySubsidiariesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ManagementCompanySubsidiariesMember" xlink:to="bdn_ManagementCompanySubsidiariesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ManagementCompanySubsidiariesMember_lbl" xml:lang="en-US">Management Company Subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ManagementCompanySubsidiariesMember_lbl" xml:lang="en-US">Wholly-owned management company subsidiaries [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ManagementCompanySubsidiariesMember_lbl" xml:lang="en-US">Management company subsidiaries.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CorporateJointVentureMember" xlink:label="us-gaap_CorporateJointVentureMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateJointVentureMember" xlink:to="lab_CorporateJointVentureMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CorporateJointVentureMember" xml:lang="en-US">Corporate Joint Venture [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CorporateJointVentureMember" xml:lang="en-US">Unconsolidated real estate ventures [Member]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OfficePropertiesMember" xlink:label="bdn_OfficePropertiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OfficePropertiesMember" xlink:to="bdn_OfficePropertiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OfficePropertiesMember_lbl" xml:lang="en-US">Office Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OfficePropertiesMember_lbl" xml:lang="en-US">Office Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OfficePropertiesMember_lbl" xml:lang="en-US">Office Properties.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IndustrialFacilitiesMember" xlink:label="bdn_IndustrialFacilitiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IndustrialFacilitiesMember" xlink:to="bdn_IndustrialFacilitiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IndustrialFacilitiesMember_lbl" xml:lang="en-US">Industrial Facilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IndustrialFacilitiesMember_lbl" xml:lang="en-US">Industrial facilities [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IndustrialFacilitiesMember_lbl" xml:lang="en-US">Industrial facilities.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MixedUsePropertiesMember" xlink:label="bdn_MixedUsePropertiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MixedUsePropertiesMember" xlink:to="bdn_MixedUsePropertiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MixedUsePropertiesMember_lbl" xml:lang="en-US">Mixed Use Properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MixedUsePropertiesMember_lbl" xml:lang="en-US">Mixed-use properties [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MixedUsePropertiesMember_lbl" xml:lang="en-US">Mixed-use properties.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract" xlink:to="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership (Textuals)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems" xlink:to="bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OrganizationOfParentCompanyAndOperatingPartnershipLineItems_lbl" xml:lang="en-US">Organization of The Parent Company and The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfPropertiesOwned" xlink:label="bdn_NumberOfPropertiesOwned" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfPropertiesOwned" xlink:to="bdn_NumberOfPropertiesOwned_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfPropertiesOwned_lbl" xml:lang="en-US">Number of properties owned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfPropertiesOwned_lbl" xml:lang="en-US">Total number of properties owned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfPropertiesOwned_lbl" xml:lang="en-US">Number of properties owned.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RealEstateInvestmentsTablesAbstract" xlink:label="bdn_RealEstateInvestmentsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RealEstateInvestmentsTablesAbstract" xlink:to="bdn_RealEstateInvestmentsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RealEstateInvestmentsTablesAbstract_lbl" xml:lang="en-US">Real Estate Investments (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RealEstateInvestmentsTablesAbstract_lbl" xml:lang="en-US">Real Estate Investments.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RealEstateInvestmentsDetailsAbstract" xlink:label="bdn_RealEstateInvestmentsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RealEstateInvestmentsDetailsAbstract" xlink:to="bdn_RealEstateInvestmentsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RealEstateInvestmentsDetailsAbstract_lbl" xml:lang="en-US">Real Estate Investments (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RealEstateInvestmentsDetailsAbstract_lbl" xml:lang="en-US">Real Estate Investments.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNet" xml:lang="en-US">Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xml:lang="en-US">Below market leases assumed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Liabilities Assumed</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationLiabilitiesAssumed" xml:lang="en-US">Below market lease liabilities assumed</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGrossAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGrossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGrossAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsGrossAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsGrossAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Gross [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGrossAbstract" xml:lang="en-US">Summary of Intangible assets acquired and intangible liabilities assumed</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetAmount" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetAmount" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetAmount" xml:lang="en-US">Intangible assets acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetAmount" xml:lang="en-US">Acquired Finite-lived Intangible Asset, Amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IntangibleLiabilitiesAbstract" xlink:label="bdn_IntangibleLiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IntangibleLiabilitiesAbstract" xlink:to="bdn_IntangibleLiabilitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IntangibleLiabilitiesAbstract_lbl" xml:lang="en-US">Intangible liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IntangibleLiabilitiesAbstract_lbl" xml:lang="en-US">Intangible liabilities:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IntangibleLiabilitiesAbstract_lbl" xml:lang="en-US">Intangible liabilities.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" xml:lang="en-US">Acquired Finite-lived Intangible Asset, Weighted Average Useful Life</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" xml:lang="en-US">Weighted Average Amortization Period (in years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetWeightedAverageUsefulLife" xml:lang="en-US">Weighted Average Amortization Period (in years)</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AboveMarketTenantLeasesAcquiredMember" xlink:label="bdn_AboveMarketTenantLeasesAcquiredMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AboveMarketTenantLeasesAcquiredMember" xlink:to="bdn_AboveMarketTenantLeasesAcquiredMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AboveMarketTenantLeasesAcquiredMember_lbl" xml:lang="en-US">Above market tenant leases acquired [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AboveMarketTenantLeasesAcquiredMember_lbl" xml:lang="en-US">Above market tenant leases acquired [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AboveMarketTenantLeasesAcquiredMember_lbl" xml:lang="en-US">Above market tenant leases acquired.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BelowMarketGroundLeaseAcquiredMember" xlink:label="bdn_BelowMarketGroundLeaseAcquiredMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BelowMarketGroundLeaseAcquiredMember" xlink:to="bdn_BelowMarketGroundLeaseAcquiredMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BelowMarketGroundLeaseAcquiredMember_lbl" xml:lang="en-US">Below market ground lease acquired [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BelowMarketGroundLeaseAcquiredMember_lbl" xml:lang="en-US">Below market ground lease acquired [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BelowMarketGroundLeaseAcquiredMember_lbl" xml:lang="en-US">Below market ground lease acquired.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="lab_PropertyPlantAndEquipmentByTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US">Property, Plant and Equipment by Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="lab_PropertyPlantAndEquipmentTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US">Property, Plant and Equipment, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xlink:to="lab_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable" xml:lang="en-US">Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Acquired Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="lab_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsMajorClassNameDomain" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeasesAcquiredInPlaceMember" xlink:label="us-gaap_LeasesAcquiredInPlaceMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeasesAcquiredInPlaceMember" xlink:to="lab_LeasesAcquiredInPlaceMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LeasesAcquiredInPlaceMember" xml:lang="en-US">Leases, Acquired-in-Place [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LeasesAcquiredInPlaceMember" xml:lang="en-US">Leases, Acquired-in-Place [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="us-gaap_CustomerRelationshipsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerRelationshipsMember" xlink:to="lab_CustomerRelationshipsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CustomerRelationshipsMember" xml:lang="en-US">Customer Relationships [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CustomerRelationshipsMember" xml:lang="en-US">Customer Relationships [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="lab_BusinessAcquisitionAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionAxis" xml:lang="en-US">Business Acquisition [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="lab_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AcquiredFiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Business Acquisition [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:to="lab_IntangibleAssetsNetExcludingGoodwillAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IntangibleAssetsNetExcludingGoodwillAbstract" xml:lang="en-US">Intangible Assets, Net (Excluding Goodwill) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IntangibleAssetsNetExcludingGoodwillAbstract" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities" xlink:label="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities" xlink:to="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities_lbl" xml:lang="en-US">Weighted Average Amortization Period Intangible Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities_lbl" xml:lang="en-US">Weighted Average Amortization Period Intangible liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_WeightedAverageAmortizationPeriodIntangibleLiabilities_lbl" xml:lang="en-US">Weighted Average Amortization Period (in years)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaRevenue" xlink:label="us-gaap_BusinessAcquisitionProFormaRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaRevenue" xlink:to="lab_BusinessAcquisitionProFormaRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaRevenue" xml:lang="en-US">Business Acquisition, Pro Forma Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaRevenue" xml:lang="en-US">Pro forma revenues</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xlink:label="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xlink:to="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xml:lang="en-US">Pro forma loss from continuing operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTax" xml:lang="en-US">Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" xlink:label="us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaNetIncomeLoss" xlink:to="lab_BusinessAcquisitionProFormaNetIncomeLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaNetIncomeLoss" xml:lang="en-US">Pro forma net loss available to common shareholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaNetIncomeLoss" xml:lang="en-US">Business Acquisition, Pro Forma Net Income (Loss)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic" xlink:to="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareBasic" xml:lang="en-US">Basic -- as pro forma</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted" xlink:to="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" xml:lang="en-US">Business Acquisition, Pro Forma Earnings Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaEarningsPerShareDiluted" xml:lang="en-US">Diluted - as pro forma</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EarningsPerCommonShareFromContinuingOperationsAbstract" xlink:label="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract" xlink:to="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract_lbl" xml:lang="en-US">Earnings per common share from continuing operations Abstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract_lbl" xml:lang="en-US">Loss per common share from continuing operations :</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EarningsPerCommonShareFromContinuingOperationsAbstract_lbl" xml:lang="en-US">Earnings per common share from continuing operations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="lab_EarningsPerShareAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareAbstract" xml:lang="en-US">Loss per common share:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareAbstract" xml:lang="en-US">Earnings per Share (EPS) [Abstract]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Purchase Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Purchase Price, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice" xml:lang="en-US">Acquired real estate, cost of property</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Cash Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityCashPaid" xml:lang="en-US">Acquisitions through cash</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate" xlink:label="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate" xlink:to="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate_lbl" xml:lang="en-US">Closing market price Parent Companys common shares on acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate_lbl" xml:lang="en-US">Closing market price of Parent Company's common shares on acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ClosingMarketPriceParentCompanysCommonSharesOnAcquisitionDate_lbl" xml:lang="en-US">Closing market price Parent Company's common shares on acquisition date.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_InvestmentInUnconsolidatedVenturesTablesAbstract" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTablesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTablesAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTablesAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures Tables.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InvestmentInUnconsolidatedVenturesDetailsAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InvestmentInUnconsolidatedVenturesDetailsAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures Details.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationAbstract" xml:lang="en-US">Equity Method Investment, Summarized Financial Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationAbstract" xml:lang="en-US">Financial position of the Real Estate Ventures</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Net Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_lbl" xml:lang="en-US">Net property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationNetProperty_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Net Property.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherAssets_lbl" xml:lang="en-US">Other Assets</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_lbl" xml:lang="en-US">Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOtherLiabilities_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Other Liabilities.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Debt.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDebt_lbl" xml:lang="en-US">Debt</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xlink:to="lab_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Equity or Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital" xml:lang="en-US">Equity</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xlink:to="lab_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Income Statement [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementAbstract" xml:lang="en-US">Summary of results of operations of Real Estate Ventures</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" xlink:to="lab_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Net Sales or Gross Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationNetSalesOrGrossRevenue" xml:lang="en-US">Revenue</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_lbl" xml:lang="en-US">Operating expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationOperatingExpenses_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Operating expenses.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Interest expense net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Interest expense net.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationInterestExpenseNet_lbl" xml:lang="en-US">Interest expense, net</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Depreciation and amortization.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationDepreciationAndAmortization_lbl" xml:lang="en-US">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:label="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xlink:to="lab_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xml:lang="en-US">Net (loss) income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss" xml:lang="en-US">Equity Method Investment, Summarized Financial Information, Net Income (Loss)</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract" xlink:to="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Investment in Unconsolidated Ventures.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures" xlink:label="bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_lbl" xml:lang="en-US">Number of unconsolidated investments in Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_lbl" xml:lang="en-US">Number of unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfUnconsolidatedInvestmentsInRealEstateVentures_lbl" xml:lang="en-US">Number of unconsolidated investments in Real Estate Ventures.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfOfficeBuildingsInRealEstateVentures" xlink:label="bdn_NumberOfOfficeBuildingsInRealEstateVentures" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfOfficeBuildingsInRealEstateVentures_lbl" xml:lang="en-US">Number of office buildings in Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfOfficeBuildingsInRealEstateVentures_lbl" xml:lang="en-US">Number of office buildings owned by 14 Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfOfficeBuildingsInRealEstateVentures_lbl" xml:lang="en-US">Number of office buildings in Real Estate Ventures.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfRealEstateVenturesThatOwnsBuildings" xlink:label="bdn_NumberOfRealEstateVenturesThatOwnsBuildings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfRealEstateVenturesThatOwnsBuildings" xlink:to="bdn_NumberOfRealEstateVenturesThatOwnsBuildings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfRealEstateVenturesThatOwnsBuildings_lbl" xml:lang="en-US">Number of real estate ventures that owns buildings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfRealEstateVenturesThatOwnsBuildings_lbl" xml:lang="en-US">Number of real estate ventures that owns 49 office buildings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfRealEstateVenturesThatOwnsBuildings_lbl" xml:lang="en-US">Number of real estate ventures that owns buildings.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IntangibleAssetsTablesAbstract" xlink:label="bdn_IntangibleAssetsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IntangibleAssetsTablesAbstract" xlink:to="bdn_IntangibleAssetsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Intangible Assets (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IntangibleAssetsTablesAbstract_lbl" xml:lang="en-US">Intangible Assets Tables.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IntangibleAssetsDetailsAbstract" xlink:label="bdn_IntangibleAssetsDetailsAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Intangible Assets (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IntangibleAssetsDetailsAbstract_lbl" xml:lang="en-US">Intangible Assets Details.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:to="lab_FiniteLivedIntangibleAssetsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Finite-Lived Intangible Assets, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsGross" xml:lang="en-US">Total Cost</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Finite-Lived Intangible Assets, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US">Accumulated Amortization</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TenantRelationshipValueMember" xlink:label="bdn_TenantRelationshipValueMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TenantRelationshipValueMember" xlink:to="bdn_TenantRelationshipValueMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TenantRelationshipValueMember_lbl" xml:lang="en-US">Tenant relationship value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TenantRelationshipValueMember_lbl" xml:lang="en-US">Tenant relationship value [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TenantRelationshipValueMember_lbl" xml:lang="en-US">Tenant relationship value Member.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock" xlink:label="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock" xlink:to="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Annual Amortization For Its Intangible Assets Liabilities [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Annual amortization of intangible assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AnnualAmortizationForItsIntangibleAssetsLiabilitiesTextBlock_lbl" xml:lang="en-US">Annual amortization for its intangible assets liabilities text block.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTable" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsByMajorClassAxis" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="lab_ConcentrationRiskByBenchmarkAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConcentrationRiskByBenchmarkAxis" xml:lang="en-US">Concentration Risk by Benchmark [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="lab_ConcentrationRiskBenchmarkDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConcentrationRiskBenchmarkDomain" xml:lang="en-US">Concentration Risk Benchmark [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsTotalMember" xlink:label="us-gaap_AssetsTotalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsTotalMember" xlink:to="lab_AssetsTotalMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetsTotalMember" xml:lang="en-US">Assets, Total [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetsTotalMember" xml:lang="en-US">Assets, Total [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesTotalMember" xlink:label="us-gaap_LiabilitiesTotalMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesTotalMember" xlink:to="lab_LiabilitiesTotalMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LiabilitiesTotalMember" xml:lang="en-US">Liabilities, Total [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LiabilitiesTotalMember" xml:lang="en-US">Liabilities, Total [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="lab_FiniteLivedIntangibleAssetsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsLineItems" xml:lang="en-US">Finite-Lived Intangible Assets [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsNetAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsNetAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsNetAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsNetAbstract" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:to="lab_MinorityInterestOwnershipPercentageByParent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterestOwnershipPercentageByParent" xml:lang="en-US">Noncontrolling Interest, Ownership Percentage by Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinorityInterestOwnershipPercentageByParent" xml:lang="en-US">Ownership in the Operating Partnership</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xlink:to="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets by Major Class [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfFiniteLivedIntangibleAssetsByMajorClassTextBlock" xml:lang="en-US">Intangible assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGrossAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentGrossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentGrossAbstract" xlink:to="lab_PropertyPlantAndEquipmentGrossAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentGrossAbstract" xml:lang="en-US">Property Plant And Equipment Gross [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentGrossAbstract" xml:lang="en-US">Gross carrying value of rental properties</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationPropertyPlantAndEquipment" xml:lang="en-US">Building and tenant improvements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xml:lang="en-US">Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssets" xml:lang="en-US">Intangible assets acquired</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ThreeLoganSquareMember" xlink:label="bdn_ThreeLoganSquareMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ThreeLoganSquareMember" xlink:to="bdn_ThreeLoganSquareMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ThreeLoganSquareMember_lbl" xml:lang="en-US">Three Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ThreeLoganSquareMember_lbl" xml:lang="en-US">Three Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ThreeLoganSquareMember_lbl" xml:lang="en-US">Three logan square.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" xlink:label="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" xlink:to="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" xml:lang="en-US">Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax, Per Share, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic" xml:lang="en-US">Basic -- as pro forma</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" xlink:label="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" xlink:to="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" xml:lang="en-US">Business Acquisition, Pro Forma Income (Loss) from Continuing Operations before Changes in Accounting and Extraordinary Items, Net of Tax, Per Share, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted" xml:lang="en-US">Diluted - as pro forma</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AdditionalRealEstateInvestmentsTextualsAbstract" xlink:label="bdn_AdditionalRealEstateInvestmentsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AdditionalRealEstateInvestmentsTextualsAbstract" xlink:to="bdn_AdditionalRealEstateInvestmentsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AdditionalRealEstateInvestmentsTextualsAbstract_lbl" xml:lang="en-US">Additional Real Estate Investments (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AdditionalRealEstateInvestmentsTextualsAbstract_lbl" xml:lang="en-US">Real Estate Investments (Textuals)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AdditionalRealEstateInvestmentsTextualsAbstract_lbl" xml:lang="en-US">Additional real estate investments.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="us-gaap_DividendsPayableAmountPerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableAmountPerShare" xlink:to="lab_DividendsPayableAmountPerShare" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DividendsPayableAmountPerShare" xml:lang="en-US">Dividends Payable, Amount Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DividendsPayableAmountPerShare" xml:lang="en-US">Annual dividend rate per share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParentCompanyMember" xlink:to="lab_ParentCompanyMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">Unconsolidated Realestate Ventures [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ParentCompanyMember" xml:lang="en-US">Parent Company [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="lab_BusinessAcquisitionAcquireeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionAcquireeDomain" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AggregateApproximateAreaOfOfficeBuildings" xlink:label="bdn_AggregateApproximateAreaOfOfficeBuildings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AggregateApproximateAreaOfOfficeBuildings" xlink:to="bdn_AggregateApproximateAreaOfOfficeBuildings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AggregateApproximateAreaOfOfficeBuildings_lbl" xml:lang="en-US">Aggregate Approximate Area Of Office Buildings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AggregateApproximateAreaOfOfficeBuildings_lbl" xml:lang="en-US">Net rentable square feet of 49 office buildings owned the 14 Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AggregateApproximateAreaOfOfficeBuildings_lbl" xml:lang="en-US">Aggregate approximate area of office buildings.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty" xlink:label="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty" xlink:to="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_lbl" xml:lang="en-US">Number Of Rooms Contain In One Real Estate Venture Developed As Hotel Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_lbl" xml:lang="en-US">Number of rooms in a hotel property developed by one Real Estate Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_lbl" xml:lang="en-US">Number of rooms contain in one real estate venture developed as Hotel Property.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:label="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:to="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Minimum Percentage Of Unconsolidated Equity Method Investment Ownership</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Minimum ownership interest in unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MinimumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Minimum percentage of unconsolidated equity method investment ownership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:label="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership" xlink:to="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Maximum Percentage Of Unconsolidated Equity Method Investment Ownership</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Maximum ownership interest in unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MaximumPercentageOfUnconsolidatedEquityMethodInvestmentOwnership_lbl" xml:lang="en-US">Maximum Percentage of Unconsolidated Equity Method Investment Ownership.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="us-gaap_GuaranteeObligationsCurrentCarryingValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:to="lab_GuaranteeObligationsCurrentCarryingValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuaranteeObligationsCurrentCarryingValue" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GuaranteeObligationsCurrentCarryingValue" xml:lang="en-US">Guaranteed repayment of loans on behalf of a certain Real Estate Venture</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand" xlink:label="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand" xlink:to="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand_lbl" xml:lang="en-US">Area Owned By Real Estate Venture Of Undeveloped Parcel Of Land</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand_lbl" xml:lang="en-US">Area of undeveloped parcel of land (in acres) owned by a Real Estate Venture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AreaOwnedByRealEstateVentureOfUndevelopedParcelOfLand_lbl" xml:lang="en-US">Area owned by Real estate venture of undeveloped parcel of land (in acres).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsTable" xlink:to="lab_ScheduleOfEquityMethodInvestmentsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentsTable" xml:lang="en-US">Schedule of Equity Method Investments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="lab_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xml:lang="en-US">Schedule of Equity Method Investment, Equity Method Investee, Name [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="lab_EquityMethodInvesteeNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvesteeNameDomain" xml:lang="en-US">Equity Method Investee, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentsLineItems" xlink:to="lab_ScheduleOfEquityMethodInvestmentsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfEquityMethodInvestmentsLineItems" xml:lang="en-US">Schedule of Equity Method Investments [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IntangibleAssetsAndLiabilitiesAbstract" xlink:label="bdn_IntangibleAssetsAndLiabilitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IntangibleAssetsAndLiabilitiesAbstract" xlink:to="bdn_IntangibleAssetsAndLiabilitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IntangibleAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US">Intangible Assets and Liabilities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IntangibleAssetsAndLiabilitiesAbstract_lbl" xml:lang="en-US">Intangible assets and liabilities abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommonStockInGrantorTrustMember" xlink:label="bdn_CommonStockInGrantorTrustMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommonStockInGrantorTrustMember" xlink:to="bdn_CommonStockInGrantorTrustMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommonStockInGrantorTrustMember_lbl" xml:lang="en-US">Common Stock In Grantor Trust [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommonStockInGrantorTrustMember_lbl" xml:lang="en-US">Common Shares in Grantor Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommonStockInGrantorTrustMember_lbl" xml:lang="en-US">Common stock in grantor trust member.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsDetailsAbstract" xlink:label="bdn_DeferredCostsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsDetailsAbstract" xlink:to="bdn_DeferredCostsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsDetailsAbstract_lbl" xml:lang="en-US">Deferred Costs (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsDetailsAbstract_lbl" xml:lang="en-US">Deferred costs.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCostsLeasingAccumulatedAmortization" xlink:label="us-gaap_DeferredCostsLeasingAccumulatedAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsLeasingAccumulatedAmortization" xlink:to="lab_DeferredCostsLeasingAccumulatedAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCostsLeasingAccumulatedAmortization" xml:lang="en-US">Leasing Costs, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCostsLeasingAccumulatedAmortization" xml:lang="en-US">Deferred Costs, Leasing, Accumulated Amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedAmortizationDeferredFinanceCosts" xlink:label="us-gaap_AccumulatedAmortizationDeferredFinanceCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedAmortizationDeferredFinanceCosts" xlink:to="lab_AccumulatedAmortizationDeferredFinanceCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AccumulatedAmortizationDeferredFinanceCosts" xml:lang="en-US">Accumulated Amortization, Deferred Finance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AccumulatedAmortizationDeferredFinanceCosts" xml:lang="en-US">Financing Costs, Accumulated Amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCostsLeasingNet" xlink:label="us-gaap_DeferredCostsLeasingNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsLeasingNet" xlink:to="lab_DeferredCostsLeasingNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCostsLeasingNet" xml:lang="en-US">Leasing Costs, Deferred Costs, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCostsLeasingNet" xml:lang="en-US">Deferred Costs, Leasing, Net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredFinanceCostsGross" xlink:label="us-gaap_DeferredFinanceCostsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsGross" xlink:to="lab_DeferredFinanceCostsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredFinanceCostsGross" xml:lang="en-US">Financing Costs, Total Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredFinanceCostsGross" xml:lang="en-US">Deferred Finance Costs, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredFinanceCostsGross" xml:lang="en-US">Financing Costs, Total Cost</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsTextualsAbstract" xlink:label="bdn_DeferredCostsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsTextualsAbstract" xlink:to="bdn_DeferredCostsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsTextualsAbstract_lbl" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredCostsTextualsAbstract_lbl" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsTextualsAbstract_lbl" xml:lang="en-US">Deferred costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CapitalizedInternalDirectLeasingCosts" xlink:label="bdn_CapitalizedInternalDirectLeasingCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CapitalizedInternalDirectLeasingCosts" xlink:to="bdn_CapitalizedInternalDirectLeasingCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CapitalizedInternalDirectLeasingCosts_lbl" xml:lang="en-US">Capitalized Internal Direct Leasing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CapitalizedInternalDirectLeasingCosts_lbl" xml:lang="en-US">Capitalized internal direct leasing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CapitalizedInternalDirectLeasingCosts_lbl" xml:lang="en-US">Capitalized internal direct leasing costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsTablesAbstract" xlink:label="bdn_DeferredCostsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsTablesAbstract" xlink:to="bdn_DeferredCostsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsTablesAbstract_lbl" xml:lang="en-US">Deferred Costs (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsTablesAbstract_lbl" xml:lang="en-US">Deferred Costs.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCostsLeasingGross" xlink:label="us-gaap_DeferredCostsLeasingGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCostsLeasingGross" xlink:to="lab_DeferredCostsLeasingGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCostsLeasingGross" xml:lang="en-US">Deferred Costs, Leasing, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredCostsLeasingGross" xml:lang="en-US">Leasing Costs, Total Cost</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="us-gaap_DeferredFinanceCostsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredFinanceCostsNet" xlink:to="lab_DeferredFinanceCostsNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredFinanceCostsNet" xml:lang="en-US">Deferred Finance Costs, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredFinanceCostsNet" xml:lang="en-US">Financing Costs, Deferred Costs, net</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtObligationsTablesAbstract" xlink:label="bdn_DebtObligationsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtObligationsTablesAbstract" xlink:to="bdn_DebtObligationsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtObligationsTablesAbstract_lbl" xml:lang="en-US">Debt Obligations (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtObligationsTablesAbstract_lbl" xml:lang="en-US">Debt Obligations Tables Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtObligationsDetailsAbstract" xlink:label="bdn_DebtObligationsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtObligationsDetailsAbstract" xlink:to="bdn_DebtObligationsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtObligationsDetailsAbstract_lbl" xml:lang="en-US">Debt Obligations (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtObligationsDetailsAbstract_lbl" xml:lang="en-US">Debt Obligations Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ConsolidatedDebtObligationsAbstract" xlink:label="bdn_ConsolidatedDebtObligationsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ConsolidatedDebtObligationsAbstract" xlink:to="bdn_ConsolidatedDebtObligationsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ConsolidatedDebtObligationsAbstract_lbl" xml:lang="en-US">Consolidated Debt Obligations [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ConsolidatedDebtObligationsAbstract_lbl" xml:lang="en-US">Consolidated debt obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ConsolidatedDebtObligationsAbstract_lbl" xml:lang="en-US">Consolidated Debt Obligations Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ArboretumIIiIiiVMember" xlink:label="bdn_ArboretumIIiIiiVMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ArboretumIIiIiiVMember" xlink:to="bdn_ArboretumIIiIiiVMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ArboretumIIiIiiVMember_lbl" xml:lang="en-US">Arboretum I, II, III &amp; V [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ArboretumIIiIiiVMember_lbl" xml:lang="en-US">Arboretum I, II, III &amp; V [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ArboretumIIiIiiVMember_lbl" xml:lang="en-US">Arboretum I, II, III &amp; V.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MidlanticDrivelenoxDrivedccIMember" xlink:label="bdn_MidlanticDrivelenoxDrivedccIMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MidlanticDrivelenoxDrivedccIMember" xlink:to="bdn_MidlanticDrivelenoxDrivedccIMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MidlanticDrivelenoxDrivedccIMember_lbl" xml:lang="en-US">Midlantic Drive/Lenox Drive/DCC I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MidlanticDrivelenoxDrivedccIMember_lbl" xml:lang="en-US">Midlantic Drive/Lenox Drive/DCC I [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MidlanticDrivelenoxDrivedccIMember_lbl" xml:lang="en-US">Midlantic Drive/Lenox Drive/DCC I.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ResearchOfficeCenterMember" xlink:label="bdn_ResearchOfficeCenterMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ResearchOfficeCenterMember" xlink:to="bdn_ResearchOfficeCenterMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ResearchOfficeCenterMember_lbl" xml:lang="en-US">Research Office Center [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ResearchOfficeCenterMember_lbl" xml:lang="en-US">Research Office Center [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ResearchOfficeCenterMember_lbl" xml:lang="en-US">Research Office Center.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ConcordAirportPlazaMember" xlink:label="bdn_ConcordAirportPlazaMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ConcordAirportPlazaMember" xlink:to="bdn_ConcordAirportPlazaMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ConcordAirportPlazaMember_lbl" xml:lang="en-US">Concord Airport Plaza [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ConcordAirportPlazaMember_lbl" xml:lang="en-US">Concord Airport Plaza [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ConcordAirportPlazaMember_lbl" xml:lang="en-US">Concord Airport Plaza.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NewtownSquareberwynParklibertyviewMember" xlink:label="bdn_NewtownSquareberwynParklibertyviewMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NewtownSquareberwynParklibertyviewMember" xlink:to="bdn_NewtownSquareberwynParklibertyviewMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NewtownSquareberwynParklibertyviewMember_lbl" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NewtownSquareberwynParklibertyviewMember_lbl" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NewtownSquareberwynParklibertyviewMember_lbl" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SouthpointIiiMember" xlink:label="bdn_SouthpointIiiMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SouthpointIiiMember" xlink:to="bdn_SouthpointIiiMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SouthpointIiiMember_lbl" xml:lang="en-US">Southpoint III [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SouthpointIiiMember_lbl" xml:lang="en-US">Southpoint III [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SouthpointIiiMember_lbl" xml:lang="en-US">Southpoint III.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TysonsCornerMember" xlink:label="bdn_TysonsCornerMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TysonsCornerMember" xlink:to="bdn_TysonsCornerMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TysonsCornerMember_lbl" xml:lang="en-US">Tysons Corner [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TysonsCornerMember_lbl" xml:lang="en-US">Tysons Corner [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TysonsCornerMember_lbl" xml:lang="en-US">Tysons Corner.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TwoLoganSquareMember" xlink:label="bdn_TwoLoganSquareMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TwoLoganSquareMember" xlink:to="bdn_TwoLoganSquareMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TwoLoganSquareMember_lbl" xml:lang="en-US">Two Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TwoLoganSquareMember_lbl" xml:lang="en-US">Two Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TwoLoganSquareMember_lbl" xml:lang="en-US">Two Logan Square.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OneLoganSquareMember" xlink:label="bdn_OneLoganSquareMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OneLoganSquareMember" xlink:to="bdn_OneLoganSquareMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OneLoganSquareMember_lbl" xml:lang="en-US">One Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OneLoganSquareMember_lbl" xml:lang="en-US">One Logan Square [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OneLoganSquareMember_lbl" xml:lang="en-US">One Logan Square.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IrsPhiladelphiaCampusMember" xlink:label="bdn_IrsPhiladelphiaCampusMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IrsPhiladelphiaCampusMember" xlink:to="bdn_IrsPhiladelphiaCampusMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IrsPhiladelphiaCampusMember_lbl" xml:lang="en-US">IRS Philadelphia Campus [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IrsPhiladelphiaCampusMember_lbl" xml:lang="en-US">IRS Philadelphia Campus [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IrsPhiladelphiaCampusMember_lbl" xml:lang="en-US">IRS Philadelphia Campus.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CiraSouthGarageMember" xlink:label="bdn_CiraSouthGarageMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CiraSouthGarageMember" xlink:to="bdn_CiraSouthGarageMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CiraSouthGarageMember_lbl" xml:lang="en-US">Cira South Garage [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CiraSouthGarageMember_lbl" xml:lang="en-US">Cira South Garage [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CiraSouthGarageMember_lbl" xml:lang="en-US">Cira South Garage.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BankTermLoanMember" xlink:label="bdn_BankTermLoanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BankTermLoanMember" xlink:to="bdn_BankTermLoanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BankTermLoanMember_lbl" xml:lang="en-US">Bank Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BankTermLoanMember_lbl" xml:lang="en-US">Bank Term Loan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BankTermLoanMember_lbl" xml:lang="en-US">Bank Term Loan.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CreditFacilityMember" xlink:label="bdn_CreditFacilityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CreditFacilityMember" xlink:to="bdn_CreditFacilityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CreditFacilityMember_lbl" xml:lang="en-US">Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CreditFacilityMember_lbl" xml:lang="en-US">Credit Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CreditFacilityMember_lbl" xml:lang="en-US">Credit Facility.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteTwoMember" xlink:label="bdn_NoteTwoMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteTwoMember" xlink:to="bdn_NoteTwoMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteTwoMember_lbl" xml:lang="en-US">Note Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteTwoMember_lbl" xml:lang="en-US">$345.0M 3.875% Guaranteed Exchangeable Notes due 2026 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteTwoMember_lbl" xml:lang="en-US">$345.0M 3.875% Guaranteed Exchangeable Notes due 2026.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteThreeMember" xlink:label="bdn_NoteThreeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteThreeMember" xlink:to="bdn_NoteThreeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteThreeMember_lbl" xml:lang="en-US">Note Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteThreeMember_lbl" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteThreeMember_lbl" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteFourMember" xlink:label="bdn_NoteFourMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteFourMember" xlink:to="bdn_NoteFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteFourMember_lbl" xml:lang="en-US">Note Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteFourMember_lbl" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteFourMember_lbl" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteFiveMember" xlink:label="bdn_NoteFiveMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteFiveMember" xlink:to="bdn_NoteFiveMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteFiveMember_lbl" xml:lang="en-US">Note Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteFiveMember_lbl" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteFiveMember_lbl" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteSixMember" xlink:label="bdn_NoteSixMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteSixMember" xlink:to="bdn_NoteSixMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteSixMember_lbl" xml:lang="en-US">Note Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteSixMember_lbl" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteSixMember_lbl" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteSevenMember" xlink:label="bdn_NoteSevenMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteSevenMember" xlink:to="bdn_NoteSevenMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteSevenMember_lbl" xml:lang="en-US">Note Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteSevenMember_lbl" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteSevenMember_lbl" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IndentureIaPreferredTrustIMember" xlink:label="bdn_IndentureIaPreferredTrustIMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IndentureIaPreferredTrustIMember" xlink:to="bdn_IndentureIaPreferredTrustIMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IndentureIaPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IndentureIaPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IndentureIaPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IA (Preferred Trust I).</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IndentureIbPreferredTrustIMember" xlink:label="bdn_IndentureIbPreferredTrustIMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IndentureIbPreferredTrustIMember" xlink:to="bdn_IndentureIbPreferredTrustIMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IndentureIbPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IndentureIbPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IndentureIbPreferredTrustIMember_lbl" xml:lang="en-US">Indenture IB (Preferred Trust I).</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IndentureIiPreferredTrustIiMember" xlink:label="bdn_IndentureIiPreferredTrustIiMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IndentureIiPreferredTrustIiMember" xlink:to="bdn_IndentureIiPreferredTrustIiMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IndentureIiPreferredTrustIiMember_lbl" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IndentureIiPreferredTrustIiMember_lbl" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IndentureIiPreferredTrustIiMember_lbl" xml:lang="en-US">Indenture II (Preferred Trust II).</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentPrincipalOutstanding" xlink:label="us-gaap_DebtInstrumentPrincipalOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentPrincipalOutstanding" xlink:to="lab_DebtInstrumentPrincipalOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentPrincipalOutstanding" xml:lang="en-US">Debt Instrument, Principal Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentPrincipalOutstanding" xml:lang="en-US">Principal amount outstanding on Guaranteed Exchangeable Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentPrincipalOutstanding" xml:lang="en-US">Principal balance outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="lab_LongTermDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebt" xml:lang="en-US">Long-term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LongTermDebt" xml:lang="en-US">Total unsecured indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_LongTermDebt" xml:lang="en-US">Total Debt Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebt" xml:lang="en-US">Long-term debt</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnsecuredIndebtedness" xlink:label="bdn_UnsecuredIndebtedness" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnsecuredIndebtedness" xlink:to="bdn_UnsecuredIndebtedness_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnsecuredIndebtedness_lbl" xml:lang="en-US">Unsecured Indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_UnsecuredIndebtedness_lbl" xml:lang="en-US">Total unsecured indebtedness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnsecuredIndebtedness_lbl" xml:lang="en-US">Total unsecured indebtedness.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtByMaturityAbstract" xlink:label="us-gaap_LongTermDebtByMaturityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtByMaturityAbstract" xlink:to="lab_LongTermDebtByMaturityAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtByMaturityAbstract" xml:lang="en-US">Long-term Debt, by Maturity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtByMaturityAbstract" xml:lang="en-US">Summary of debt repurchases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xml:lang="en-US">2011</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Two</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xml:lang="en-US">2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Three</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xml:lang="en-US">2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Four</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xml:lang="en-US">2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal in Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xml:lang="en-US">2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:label="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Long-term Debt, Maturities, Repayments of Principal after Year Five</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xml:lang="en-US">Thereafter</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:to="lab_DebtInstrumentUnamortizedDiscountPremiumNet" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentUnamortizedDiscountPremiumNet" xml:lang="en-US">Debt Instrument, Unamortized Discount (Premium), Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_DebtInstrumentUnamortizedDiscountPremiumNet" xml:lang="en-US">Net unamortized premiums/(discounts)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentUnamortizedDiscountPremiumNet" xml:lang="en-US">Plus: unamortized fixed-rate debt premiums (discounts), net</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="lab_DebtInstrumentInterestRateEffectivePercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US">Effective interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentage" xml:lang="en-US">Effective Interest Rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="us-gaap_DebtInstrumentMaturityDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentMaturityDate" xlink:to="lab_DebtInstrumentMaturityDate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentMaturityDate" xml:lang="en-US">Debt Instrument, Maturity Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentMaturityDate" xml:lang="en-US">Maturity Date</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable" xlink:label="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable" xlink:to="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable_lbl" xml:lang="en-US">Weighted average effective interest rate on mortgage notes payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable_lbl" xml:lang="en-US">Weighted average effective interest rate on mortgage notes payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_WeightedAverageEffectiveInterestRateOnMortgageNotesPayable_lbl" xml:lang="en-US">Weighted average effective interest rate on mortgage notes payable</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="us-gaap_DebtInstrumentAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentAxis" xlink:to="lab_DebtInstrumentAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentAxis" xml:lang="en-US">Debt Instrument [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="us-gaap_DebtInstrumentNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentNameDomain" xlink:to="lab_DebtInstrumentNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentNameDomain" xml:lang="en-US">Debt Instrument, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="lab_LongtermDebtTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongtermDebtTypeAxis" xml:lang="en-US">Long-term Debt, Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="lab_LongtermDebtTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LongtermDebtTypeDomain" xml:lang="en-US">Long-term Debt, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ParticipatingMortgageLoansLineItems" xlink:label="us-gaap_ParticipatingMortgageLoansLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ParticipatingMortgageLoansLineItems" xlink:to="lab_ParticipatingMortgageLoansLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ParticipatingMortgageLoansLineItems" xml:lang="en-US">Participating Mortgage Loans [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtObligationsTextualsAbstract" xlink:label="bdn_DebtObligationsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtObligationsTextualsAbstract" xlink:to="bdn_DebtObligationsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtObligationsTextualsAbstract_lbl" xml:lang="en-US">Debt Obligations (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DebtObligationsTextualsAbstract_lbl" xml:lang="en-US">Debt obligations (Textuals)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtObligationsTextualsAbstract_lbl" xml:lang="en-US">Debt Obligations Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility" xlink:label="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility" xlink:to="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility_lbl" xml:lang="en-US">Payment Of An Extension Fee Equal To Amount Under The Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility_lbl" xml:lang="en-US">Payment of extension fee under the Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility_lbl" xml:lang="en-US">Payment of an extension fee equal to amount under the Credit Facility.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings" xlink:label="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings" xlink:to="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings_lbl" xml:lang="en-US">Weighted-average interest rate on Credit Facility borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings_lbl" xml:lang="en-US">Weighted-average interest rate on Credit Facility borrowings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_WeightedAverageInterestRateOnCreditFacilityBorrowings_lbl" xml:lang="en-US">Weighted-average interest rate on Credit Facility borrowings</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CarryingAmountOfEquityComponent" xlink:label="bdn_CarryingAmountOfEquityComponent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CarryingAmountOfEquityComponent" xlink:to="bdn_CarryingAmountOfEquityComponent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CarryingAmountOfEquityComponent_lbl" xml:lang="en-US">Carrying Amount Of The Equity Component</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CarryingAmountOfEquityComponent_lbl" xml:lang="en-US">Carrying amount of the equity component.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CarryingAmountOfEquityComponent_lbl" xml:lang="en-US">Carrying amount of the equity component</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases" xlink:label="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases" xlink:to="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases_lbl" xml:lang="en-US">Debt Discount Write Offs Resulting From Debt Repurchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases_lbl" xml:lang="en-US">Debt discount write-offs resulting from debt repurchases.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases_lbl" xml:lang="en-US">Debt discount write-offs resulting from debt repurchases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="lab_LineOfCreditFacilityAmountOutstanding" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityAmountOutstanding" xml:lang="en-US">Borrowings under the credit facility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:label="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityInterestRateDuringPeriod" xlink:to="lab_LineOfCreditFacilityInterestRateDuringPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityInterestRateDuringPeriod" xml:lang="en-US">Weighted average interest rate on the Credit Facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityInterestRateDuringPeriod" xml:lang="en-US">Line of Credit Facility, Interest Rate During Period</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueOfFinancialInstrumentsTablesAbstract" xlink:label="bdn_FairValueOfFinancialInstrumentsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueOfFinancialInstrumentsTablesAbstract" xlink:to="bdn_FairValueOfFinancialInstrumentsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueOfFinancialInstrumentsTablesAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueOfFinancialInstrumentsTablesAbstract_lbl" xml:lang="en-US">Fair Value Of Financial Instruments.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueOfFinancialInstrumentsDetailsAbstract" xlink:label="bdn_FairValueOfFinancialInstrumentsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueOfFinancialInstrumentsDetailsAbstract" xlink:to="bdn_FairValueOfFinancialInstrumentsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueOfFinancialInstrumentsDetailsAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueOfFinancialInstrumentsDetailsAbstract_lbl" xml:lang="en-US">Fair Value Of Financial Instruments.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract" xlink:label="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract" xlink:to="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_lbl" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_lbl" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CompanysEstimatesOfFairValueDifferFromCarryingAmountsAbstract_lbl" xml:lang="en-US">Company's estimates of fair value differ from the carrying amounts.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount" xlink:to="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_lbl" xml:lang="en-US">Unsecured Notes Payable Net Of Discounts Carrying Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_lbl" xml:lang="en-US">Unsecured notes payable, net of discounts, Carrying Amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsCarryingAmount_lbl" xml:lang="en-US">Unsecured notes payable, net of discounts, Carrying Amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnsecuredNotesPayableNetOfDiscountsFairValue" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue" xlink:to="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_lbl" xml:lang="en-US">Unsecured Notes Payable Net Of Discounts Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_lbl" xml:lang="en-US">Unsecured notes payable, net of discounts, Fair Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UnsecuredNotesPayableNetOfDiscountsFairValue_lbl" xml:lang="en-US">Unsecured notes payable, net of discounts, Fair Value</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_VariableRateDebtInstrumentsCarryingAmount" xlink:label="bdn_VariableRateDebtInstrumentsCarryingAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_VariableRateDebtInstrumentsCarryingAmount" xlink:to="bdn_VariableRateDebtInstrumentsCarryingAmount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_VariableRateDebtInstrumentsCarryingAmount_lbl" xml:lang="en-US">Variable Rate Debt Instruments Carrying Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_VariableRateDebtInstrumentsCarryingAmount_lbl" xml:lang="en-US">Variable Rate Debt Instruments, Carrying Amount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_VariableRateDebtInstrumentsCarryingAmount_lbl" xml:lang="en-US">Variable Rate Debt Instruments, Carrying Amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_VariableRateDebtInstrumentsFairValue" xlink:label="bdn_VariableRateDebtInstrumentsFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_VariableRateDebtInstrumentsFairValue" xlink:to="bdn_VariableRateDebtInstrumentsFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_VariableRateDebtInstrumentsFairValue_lbl" xml:lang="en-US">Variable Rate Debt Instruments Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_VariableRateDebtInstrumentsFairValue_lbl" xml:lang="en-US">Variable Rate Debt Instruments, Fair Value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_VariableRateDebtInstrumentsFairValue_lbl" xml:lang="en-US">Variable Rate Debt Instruments, Fair Value</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueOfFinancialInstrumentsTextualsAbstract" xlink:label="bdn_FairValueOfFinancialInstrumentsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueOfFinancialInstrumentsTextualsAbstract" xlink:to="bdn_FairValueOfFinancialInstrumentsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Fair Value Of Financial Instruments (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_FairValueOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Fair Value of Financial Instruments.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredGainOnSaleOfProperty" xlink:label="us-gaap_DeferredGainOnSaleOfProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredGainOnSaleOfProperty" xlink:to="lab_DeferredGainOnSaleOfProperty" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredGainOnSaleOfProperty" xml:lang="en-US">Deferred Gain on Sale of Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DeferredGainOnSaleOfProperty" xml:lang="en-US">Gross deferred gain on sale of properties</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract" xlink:to="bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract_lbl" xml:lang="en-US">Risk Management and use of Financial Instruments (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsDetailsAbstract_lbl" xml:lang="en-US">Risk Management And Use Of Financial Instruments.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract" xlink:to="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Risk Management And Use Of Financial Instruments (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Risk Management and use of Financial Instruments (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RiskManagementAndUseOfFinancialInstrumentsTextualsAbstract_lbl" xml:lang="en-US">Risk management and use Of financial instruments.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/non-gaap/invest-2009-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="invest_DerivativeNotionalAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="invest_DerivativeNotionalAmount" xlink:to="lab_DerivativeNotionalAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeNotionalAmount" xml:lang="en-US">Derivative, Notional Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeNotionalAmount" xml:lang="en-US">Total notional amount of the treasury lock agreements</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ComponentsOfDeferredCostsNetAbstract" xlink:label="bdn_ComponentsOfDeferredCostsNetAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ComponentsOfDeferredCostsNetAbstract" xlink:to="bdn_ComponentsOfDeferredCostsNetAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ComponentsOfDeferredCostsNetAbstract_lbl" xml:lang="en-US">Components Of Deferred Costs Net [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ComponentsOfDeferredCostsNetAbstract_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ComponentsOfDeferredCostsNetAbstract_lbl" xml:lang="en-US">Deferred costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ComponentsOfDeferredCostsNetTextBlock" xlink:label="bdn_ComponentsOfDeferredCostsNetTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ComponentsOfDeferredCostsNetTextBlock" xlink:to="bdn_ComponentsOfDeferredCostsNetTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ComponentsOfDeferredCostsNetTextBlock_lbl" xml:lang="en-US">Components of Deferred Costs Net [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ComponentsOfDeferredCostsNetTextBlock_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ComponentsOfDeferredCostsNetTextBlock_lbl" xml:lang="en-US">Deferred costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsGross" xlink:label="bdn_DeferredCostsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsGross" xlink:to="bdn_DeferredCostsGross_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsGross_lbl" xml:lang="en-US">Deferred Costs Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="bdn_DeferredCostsGross_lbl" xml:lang="en-US">Total Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredCostsGross_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsGross_lbl" xml:lang="en-US">Deferred Costs Gross.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SecuredDebtPrincipalBalanceOutstanding" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SecuredDebtPrincipalBalanceOutstanding" xlink:to="bdn_SecuredDebtPrincipalBalanceOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstanding_lbl" xml:lang="en-US">Secured Debt Principal Balance Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstanding_lbl" xml:lang="en-US">Mortgage payable, net of discounts, Carrying Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstanding_lbl" xml:lang="en-US">Secured Debt Principal Balance Outstanding.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" xlink:to="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_lbl" xml:lang="en-US">Secured Debt Principal Balance Outstanding Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_lbl" xml:lang="en-US">Mortgage payable, net of discounts, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure_lbl" xml:lang="en-US">Secured Debt Principal Balance Outstanding Fair Value Disclosure.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NotesReceivableGross" xlink:label="us-gaap_NotesReceivableGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableGross" xlink:to="lab_NotesReceivableGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NotesReceivableGross" xml:lang="en-US">Notes, Loans and Financing Receivable, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotesReceivableGross" xml:lang="en-US">Notes Receivable, Carrying Amount</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NotesReceivableFairValueDisclosure" xlink:label="us-gaap_NotesReceivableFairValueDisclosure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableFairValueDisclosure" xlink:to="lab_NotesReceivableFairValueDisclosure" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NotesReceivableFairValueDisclosure" xml:lang="en-US">Notes Receivable, Fair Value Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NotesReceivableFairValueDisclosure" xml:lang="en-US">Notes Receivable, Fair Value</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCostsAccumulatedAmortization" xlink:label="bdn_DeferredCostsAccumulatedAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCostsAccumulatedAmortization" xlink:to="bdn_DeferredCostsAccumulatedAmortization_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCostsAccumulatedAmortization_lbl" xml:lang="en-US">Deferred Costs Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="bdn_DeferredCostsAccumulatedAmortization_lbl" xml:lang="en-US">Total, Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredCostsAccumulatedAmortization_lbl" xml:lang="en-US">Deferred Costs Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCostsAccumulatedAmortization_lbl" xml:lang="en-US">Deferred Costs Accumulated Amortization.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtInstrumentInterestRatesEffectivePercentage" xlink:label="bdn_DebtInstrumentInterestRatesEffectivePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtInstrumentInterestRatesEffectivePercentage" xlink:to="bdn_DebtInstrumentInterestRatesEffectivePercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtInstrumentInterestRatesEffectivePercentage_lbl" xml:lang="en-US">Debt Instrument Interest Rates Effective Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DebtInstrumentInterestRatesEffectivePercentage_lbl" xml:lang="en-US">Effective interest rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtInstrumentInterestRatesEffectivePercentage_lbl" xml:lang="en-US">Debt Instrument, Interest Rates Effective Percentage.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnamortizedExchangeableDebtDiscount" xlink:label="bdn_UnamortizedExchangeableDebtDiscount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnamortizedExchangeableDebtDiscount" xlink:to="bdn_UnamortizedExchangeableDebtDiscount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnamortizedExchangeableDebtDiscount_lbl" xml:lang="en-US">Unamortized exchangeable debt discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_UnamortizedExchangeableDebtDiscount_lbl" xml:lang="en-US">Unamortized debt discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UnamortizedExchangeableDebtDiscount_lbl" xml:lang="en-US">Less: unamortized exchangeable debt discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnamortizedExchangeableDebtDiscount_lbl" xml:lang="en-US">Unamortized exchangeable debt discount.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnamortizedFixedRateDebtDiscountsNet" xlink:label="bdn_UnamortizedFixedRateDebtDiscountsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnamortizedFixedRateDebtDiscountsNet" xlink:to="bdn_UnamortizedFixedRateDebtDiscountsNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnamortizedFixedRateDebtDiscountsNet_lbl" xml:lang="en-US">Unamortized fixed rate debt discounts, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UnamortizedFixedRateDebtDiscountsNet_lbl" xml:lang="en-US">Less: unamortized fixed-rate debt discounts, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnamortizedFixedRateDebtDiscountsNet_lbl" xml:lang="en-US">Unamortized fixed-rate debt discounts, net.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xlink:to="lab_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateEffectivePercentageRateRangeMinimum" xml:lang="en-US">Interest rate floor on a monthly basis</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PropertyLocationAxis" xlink:label="bdn_PropertyLocationAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PropertyLocationAxis" xlink:to="bdn_PropertyLocationAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PropertyLocationAxis_lbl" xml:lang="en-US">Property location [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PropertyLocationAxis_lbl" xml:lang="en-US">Property location.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PropertyLocationDomain" xlink:label="bdn_PropertyLocationDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PropertyLocationDomain" xlink:to="bdn_PropertyLocationDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PropertyLocationDomain_lbl" xml:lang="en-US">Property location [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PropertyLocationDomain_lbl" xml:lang="en-US">Property location.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ExtendedMaturityDate" xlink:label="bdn_ExtendedMaturityDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ExtendedMaturityDate" xlink:to="bdn_ExtendedMaturityDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ExtendedMaturityDate_lbl" xml:lang="en-US">Extended Maturity date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ExtendedMaturityDate_lbl" xml:lang="en-US">Extended Maturity date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ExtendedMaturityDate_lbl" xml:lang="en-US">Extended Maturity date</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes" xlink:label="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes" xlink:to="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Redemption price under Right to redeem Guaranteed Exchangeable Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Redemption price under right to redeem guaranteed exchangeable notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RedemptionPriceUnderRightToRedeemGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Redemption price under Right to redeem Guaranteed Exchangeable Notes.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityRemainingBorrowingCapacity" xml:lang="en-US">Unused availability under the Credit Facility</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_DebtInstrumentInterestRateStatedPercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rates of unsecured guaranteed notes due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US">Interest rate on Loans</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_InitialExchangeRateForGuaranteedExchangeableNotes" xlink:label="bdn_InitialExchangeRateForGuaranteedExchangeableNotes" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_InitialExchangeRateForGuaranteedExchangeableNotes" xlink:to="bdn_InitialExchangeRateForGuaranteedExchangeableNotes_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InitialExchangeRateForGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Initial exchange rate for Guaranteed Exchangeable Notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InitialExchangeRateForGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Initial exchange rate for Guaranteed Exchangeable Notes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_InitialExchangeRateForGuaranteedExchangeableNotes_lbl" xml:lang="en-US">Initial exchange rate for Guaranteed Exchangeable Notes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice" xlink:label="us-gaap_DebtInstrumentConvertibleConversionPrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentConvertibleConversionPrice" xlink:to="lab_DebtInstrumentConvertibleConversionPrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentConvertibleConversionPrice" xml:lang="en-US">Debt Instrument, Convertible, Conversion Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentConvertibleConversionPrice" xml:lang="en-US">Initial exchange price per share</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="lab_InterestExpenseDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InterestExpenseDebt" xml:lang="en-US">Interest Expense, Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InterestExpenseDebt" xml:lang="en-US">Contractual coupon interest recognized on exchangeable debt</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_InterestOnAmortizationOfDebtDiscount" xlink:label="bdn_InterestOnAmortizationOfDebtDiscount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_InterestOnAmortizationOfDebtDiscount" xlink:to="bdn_InterestOnAmortizationOfDebtDiscount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InterestOnAmortizationOfDebtDiscount_lbl" xml:lang="en-US">Interest on amortization of debt discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InterestOnAmortizationOfDebtDiscount_lbl" xml:lang="en-US">Interest on amortization of debt discount.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_InterestOnAmortizationOfDebtDiscount_lbl" xml:lang="en-US">Interest on amortization of debt discount</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="lab_DebtInstrumentTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentTable" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LetterOfCreditMember" xlink:label="us-gaap_LetterOfCreditMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LetterOfCreditMember" xlink:to="lab_LetterOfCreditMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of Credit [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LetterOfCreditMember" xml:lang="en-US">Letter of Credit [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="us-gaap_SecuredDebtMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecuredDebtMember" xlink:to="lab_SecuredDebtMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SecuredDebtMember" xml:lang="en-US">Secured Debt [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SecuredDebtMember" xml:lang="en-US">Secured Debt [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="us-gaap_UnsecuredDebtMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnsecuredDebtMember" xlink:to="lab_UnsecuredDebtMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_UnsecuredDebtMember" xml:lang="en-US">Unsecured Debt [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_UnsecuredDebtMember" xml:lang="en-US">Unsecured Debt [Member]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtObligationsAdditionalTextualsAbstract" xlink:label="bdn_DebtObligationsAdditionalTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtObligationsAdditionalTextualsAbstract" xlink:to="bdn_DebtObligationsAdditionalTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtObligationsAdditionalTextualsAbstract_lbl" xml:lang="en-US">Debt Obligations Additional (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DebtObligationsAdditionalTextualsAbstract_lbl" xml:lang="en-US">Debt obligations (Additional) (Textuals)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtObligationsAdditionalTextualsAbstract_lbl" xml:lang="en-US">Debt Obligations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_DebtInstrumentFaceAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt Instrument, Face Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentFaceAmount" xml:lang="en-US">Debt instrument, face amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedAndDeferredCompensationTablesAbstract" xlink:label="bdn_ShareBasedAndDeferredCompensationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedAndDeferredCompensationTablesAbstract" xlink:to="bdn_ShareBasedAndDeferredCompensationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedAndDeferredCompensationTablesAbstract_lbl" xml:lang="en-US">Share Based and Deferred Compensation (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedAndDeferredCompensationTablesAbstract_lbl" xml:lang="en-US">Share Based And Deferred Compensation Tables Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedAndDeferredCompensationDetailsAbstract" xlink:label="bdn_ShareBasedAndDeferredCompensationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedAndDeferredCompensationDetailsAbstract" xlink:to="bdn_ShareBasedAndDeferredCompensationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedAndDeferredCompensationDetailsAbstract_lbl" xml:lang="en-US">Share Based and Deferred Compensation (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedAndDeferredCompensationDetailsAbstract_lbl" xml:lang="en-US">Share Based and Deferred Compensation Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding at June 30, 2011, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Outstanding at January 1, 2011, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xml:lang="en-US">Options outstanding under equity incentive plan</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Granted, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xml:lang="en-US">Granted, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Vested/Exercisable at June 30, 2011, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding at June30, 2011, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Outstanding at January 1, 2011, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Outstanding at June 30, 2011, Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Outstanding at January 1, 2011, Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grant In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Granted, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grant In Period Weighted Average Exercise Price.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Vested/Exercisable at June 30, 2011, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Outstanding at June 30, 2011, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Outstanding at January 1, 2011, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Remaining Contractual Terms.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grants Weighted Average Remaining Contractual Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Granted, Weighted Average Remaining Contractual Term (in years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Granted, Weighted Average Remaining Contractual Term (in years)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Payment Award Options Grants Weighted Average Remaining Contractual Terms.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Vested/Exercisable at June 30, 2011, Weighted Average Remaining Contractual Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerms_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Terms.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Exercisable Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_lbl" xml:lang="en-US">Vested/Exercisable at June 30, 2011, Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExercisableIntrinsicValue_lbl" xml:lang="en-US">Share Based Payment Award Options Vested And Exercisable Intrinsic Value.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Non-vested at June 30, 2011, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Non-vested at January 1, 2011, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xml:lang="en-US">Restricted shares outstanding</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xml:lang="en-US">Granted, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xml:lang="en-US">Vested, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xml:lang="en-US">Forfeited, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Non-vested at June 30, 2011, Weighted Average Grant Date Fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Non-vested at January 1, 2011, Weighted Average Grant Date Fair value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" 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</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US">Shares outstanding at the end of period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" 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</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Granted, Weighted Average Grant Date Fair value</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" 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</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xml:lang="en-US">Vested, Weighted Average Grant Date Fair value</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValues" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValues" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValues_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Grant Date Fair Values</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValues_lbl" xml:lang="en-US">Forfeited, Weighted Average Grant Date Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriodWeightedAverageGrantDateFairValues_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period Weighted Average Grant Date Fair Values.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementsRestrictedShareActivityTextBlock" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityTextBlock_lbl" xml:lang="en-US">Share Based Compensation Arrangements Restricted Share Activity Text Block.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedAndDeferredCompensationTextualsAbstract_lbl" xml:lang="en-US">Share Based And Deferred Compensation Textuals Abstract.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xml:lang="en-US">Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwards" xml:lang="en-US">Unrecognized compensation expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationUnrecognizedCompensationCostsOnNonvestedAwardsWeightedAveragePeriodOfRecognition" xml:lang="en-US">Employee Service Share-based Compensation, Unrecognized Compensation Costs on Nonvested Awards, Weighted Average Period of Recognition</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="lab_RestrictedStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestrictedStockMember" xml:lang="en-US">Restricted Share Awards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestrictedStockMember" xml:lang="en-US">Restricted Share Awards [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod" xml:lang="en-US">Vesting Period</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:to="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xml:lang="en-US">Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xml:lang="en-US">Stock-based compensation expense, capitalized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xml:lang="en-US">Employee Service Share-based Compensation, Capitalized Amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RestrictedPerformanceShareUnitsPlanMember" xlink:label="bdn_RestrictedPerformanceShareUnitsPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RestrictedPerformanceShareUnitsPlanMember" xlink:to="bdn_RestrictedPerformanceShareUnitsPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RestrictedPerformanceShareUnitsPlanMember_lbl" xml:lang="en-US">Restricted Performance Share Units Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RestrictedPerformanceShareUnitsPlanMember_lbl" xml:lang="en-US">Restricted Performance Share Units Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RestrictedPerformanceShareUnitsPlanMember_lbl" xml:lang="en-US">Restricted Performance Share Units Plan Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xml:lang="en-US">Aggregate share-based awards awarded to executives</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xml:lang="en-US">Fair value of awards on the grant date</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OutperformanceProgramMember" xlink:label="bdn_OutperformanceProgramMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OutperformanceProgramMember" xlink:to="bdn_OutperformanceProgramMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OutperformanceProgramMember_lbl" xml:lang="en-US">Outperformance Program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OutperformanceProgramMember_lbl" xml:lang="en-US">Outperformance Program [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OutperformanceProgramMember_lbl" xml:lang="en-US">Outperformance Program Member.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EmployeeSharePurchasePlanMember" xlink:label="bdn_EmployeeSharePurchasePlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EmployeeSharePurchasePlanMember" xlink:to="bdn_EmployeeSharePurchasePlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EmployeeSharePurchasePlanMember_lbl" xml:lang="en-US">Employee Share Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EmployeeSharePurchasePlanMember_lbl" xml:lang="en-US">Employee Share Purchase Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EmployeeSharePurchasePlanMember_lbl" xml:lang="en-US">Employee Share Purchase Plan Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Incremental Compensation Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xml:lang="en-US">Net increase in compensation costs due to change in market value of participant investment in plan</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredCompensationPlanMember" xlink:label="bdn_DeferredCompensationPlanMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredCompensationPlanMember" xlink:to="bdn_DeferredCompensationPlanMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredCompensationPlanMember_lbl" xml:lang="en-US">Deferred Compensation Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredCompensationPlanMember_lbl" xml:lang="en-US">Deferred Compensation Plan [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredCompensationPlanMember_lbl" xml:lang="en-US">Deferred Compensation Plan Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="lab_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xml:lang="en-US">Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xlink:to="lab_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardAwardTypeAndPlanNameAxis" xml:lang="en-US">Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lab_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xml:lang="en-US">Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockOptionMember" xlink:label="us-gaap_StockOptionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionMember" xlink:to="lab_StockOptionMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockOptionMember" xml:lang="en-US">Stock Option [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockOptionMember" xml:lang="en-US">Stock Option [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllocatedShareBasedCompensationExpense" xlink:to="lab_AllocatedShareBasedCompensationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Allocated Share-based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Stock-based compensation expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AllocatedShareBasedCompensationExpense" xml:lang="en-US">Compensation expense recognized</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TaxCreditTransactionsDetailsAbstract" xlink:label="bdn_TaxCreditTransactionsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TaxCreditTransactionsDetailsAbstract" xlink:to="bdn_TaxCreditTransactionsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TaxCreditTransactionsDetailsAbstract_lbl" xml:lang="en-US">Tax Credit Transactions (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TaxCreditTransactionsDetailsAbstract_lbl" xml:lang="en-US">Tax Credit Transactions.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TaxCreditTransactionsTextualsAbstract" xlink:label="bdn_TaxCreditTransactionsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TaxCreditTransactionsTextualsAbstract" xlink:to="bdn_TaxCreditTransactionsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TaxCreditTransactionsTextualsAbstract_lbl" xml:lang="en-US">Tax Credit Transactions (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TaxCreditTransactionsTextualsAbstract_lbl" xml:lang="en-US">Tax Credit Transactions.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_HistoricTaxCreditTransactionMember" xlink:label="bdn_HistoricTaxCreditTransactionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_HistoricTaxCreditTransactionMember" xlink:to="bdn_HistoricTaxCreditTransactionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_HistoricTaxCreditTransactionMember_lbl" xml:lang="en-US">Historic Tax Credit Transaction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_HistoricTaxCreditTransactionMember_lbl" xml:lang="en-US">Historic Tax Credit Transaction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_HistoricTaxCreditTransactionMember_lbl" xml:lang="en-US">Historic Tax Credit Transaction.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NewMarketsTaxCreditTransactionMember" xlink:label="bdn_NewMarketsTaxCreditTransactionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NewMarketsTaxCreditTransactionMember" xlink:to="bdn_NewMarketsTaxCreditTransactionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NewMarketsTaxCreditTransactionMember_lbl" xml:lang="en-US">New Markets Tax Credit Transaction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NewMarketsTaxCreditTransactionMember_lbl" xml:lang="en-US">New Markets Tax Credit Transaction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NewMarketsTaxCreditTransactionMember_lbl" xml:lang="en-US">New Markets Tax Credit Transaction.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LeasedAreaOfBuilding" xlink:label="bdn_LeasedAreaOfBuilding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LeasedAreaOfBuilding" xlink:to="bdn_LeasedAreaOfBuilding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LeasedAreaOfBuilding_lbl" xml:lang="en-US">Leased Area Of Building</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_LeasedAreaOfBuilding_lbl" xml:lang="en-US">Area of Two Logan Square in Philadelphia</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LeasedAreaOfBuilding_lbl" xml:lang="en-US">Area of IRS Philadelphia Campus building</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LeasedAreaOfBuilding_lbl" xml:lang="en-US">Leased area of building.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxCreditCarryforwardDescription" xlink:label="us-gaap_TaxCreditCarryforwardDescription" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardDescription" xlink:to="lab_TaxCreditCarryforwardDescription" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TaxCreditCarryforwardDescription" xml:lang="en-US">Tax Credit Carryforward, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_TaxCreditCarryforwardDescription" xml:lang="en-US">Tax credit conditions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenueRecognitionDeferredRevenue" xlink:label="us-gaap_RevenueRecognitionDeferredRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionDeferredRevenue" xlink:to="lab_RevenueRecognitionDeferredRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenueRecognitionDeferredRevenue" xml:lang="en-US">Revenue Recognition, Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenueRecognitionDeferredRevenue" xml:lang="en-US">Recognition of cash received as revenue net of allocated expenses on or after September 2011, period</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ContributionAllocatedInNonControllingInterest" xlink:label="bdn_ContributionAllocatedInNonControllingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ContributionAllocatedInNonControllingInterest" xlink:to="bdn_ContributionAllocatedInNonControllingInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ContributionAllocatedInNonControllingInterest_lbl" xml:lang="en-US">Contribution allocated in non controlling interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ContributionAllocatedInNonControllingInterest_lbl" xml:lang="en-US">Contribution allocated in non controlling interest.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ContributionAllocatedInNonControllingInterest_lbl" xml:lang="en-US">Contribution allocated in non controlling interest</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RateOfReturnOnNoncontrollingInterest" xlink:label="bdn_RateOfReturnOnNoncontrollingInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RateOfReturnOnNoncontrollingInterest" xlink:to="bdn_RateOfReturnOnNoncontrollingInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RateOfReturnOnNoncontrollingInterest_lbl" xml:lang="en-US">Rate Of Return On Noncontrolling Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RateOfReturnOnNoncontrollingInterest_lbl" xml:lang="en-US">Rate of return on noncontrolling interest expected</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RateOfReturnOnNoncontrollingInterest_lbl" xml:lang="en-US">Rate of Return on noncontrolling interest.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommitmentsAndContingenciesTablesAbstract" xlink:label="bdn_CommitmentsAndContingenciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommitmentsAndContingenciesTablesAbstract" xlink:to="bdn_CommitmentsAndContingenciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommitmentsAndContingenciesTablesAbstract_lbl" xml:lang="en-US">Commitments And Contingencies.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommitmentsAndContingenciesDetailsAbstract" xlink:label="bdn_CommitmentsAndContingenciesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommitmentsAndContingenciesDetailsAbstract" xlink:to="bdn_CommitmentsAndContingenciesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommitmentsAndContingenciesDetailsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommitmentsAndContingenciesDetailsAbstract_lbl" xml:lang="en-US">Commitments And Contingency.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueAbstract" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US">Capital Leases, Future Minimum Payments Due [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueAbstract" xml:lang="en-US">Minimum future rental payments on non-cancelable leases</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueCurrent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">Capital Leases, Future Minimum Payments Due, Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueCurrent" xml:lang="en-US">2011 (six months remaining)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Two Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInTwoYears" xml:lang="en-US">2012</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Three Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInThreeYears" xml:lang="en-US">2013</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueInFourYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Four Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInFourYears" xml:lang="en-US">2014</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">Capital Leases, Future Minimum Payments Due in Five Years</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueInFiveYears" xml:lang="en-US">2015</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDueThereafter" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Capital Leases, Future Minimum Payments Due Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDueThereafter" xml:lang="en-US">Thereafter</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommitmentsAndContingenciesTextualsAbstract" xlink:label="bdn_CommitmentsAndContingenciesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommitmentsAndContingenciesTextualsAbstract" xlink:to="bdn_CommitmentsAndContingenciesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommitmentsAndContingenciesTextualsAbstract_lbl" xml:lang="en-US">Commitments and Contingencies (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommitmentsAndContingenciesTextualsAbstract_lbl" xml:lang="en-US">Commitments And Contingencies.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DescriptionOfRelatedPartyLeasingArrangements" xlink:label="us-gaap_DescriptionOfRelatedPartyLeasingArrangements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DescriptionOfRelatedPartyLeasingArrangements" xlink:to="lab_DescriptionOfRelatedPartyLeasingArrangements" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DescriptionOfRelatedPartyLeasingArrangements" xml:lang="en-US">Description of Related Party Leasing Arrangements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DescriptionOfRelatedPartyLeasingArrangements" xml:lang="en-US">Annual rental payment under ground lease</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:to="lab_CapitalLeasesFutureMinimumPaymentsDue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Capital Leases, Future Minimum Payments Due, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CapitalLeasesFutureMinimumPaymentsDue" xml:lang="en-US">Aggregate fair market rent future payment as of the date of acquisition</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SubsequentEventsDetailsAbstract" xlink:label="bdn_SubsequentEventsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SubsequentEventsDetailsAbstract" xlink:to="bdn_SubsequentEventsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SubsequentEventsDetailsAbstract_lbl" xml:lang="en-US">Subsequent Events (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SubsequentEventsDetailsAbstract_lbl" xml:lang="en-US">Subsequent Events.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SubsequentEventsTextualsAbstract" xlink:label="bdn_SubsequentEventsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SubsequentEventsTextualsAbstract" xlink:to="bdn_SubsequentEventsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SubsequentEventsTextualsAbstract_lbl" xml:lang="en-US">Subsequent Events (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SubsequentEventsTextualsAbstract_lbl" xml:lang="en-US">Subsequent Events.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PrepaidMortgageDebtWithoutPenalty" xlink:label="bdn_PrepaidMortgageDebtWithoutPenalty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PrepaidMortgageDebtWithoutPenalty" xlink:to="bdn_PrepaidMortgageDebtWithoutPenalty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PrepaidMortgageDebtWithoutPenalty_lbl" xml:lang="en-US">Prepaid Mortgage Debt Without Penalty</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PrepaidMortgageDebtWithoutPenalty_lbl" xml:lang="en-US">Company prepaid mortgage debt without penalty.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PrepaidMortgageDebtWithoutPenalty_lbl" xml:lang="en-US">Company prepaid its Plymouth Meeting Executive Center mortgage debt without penalty</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxCreditCarryforwardTable" xlink:label="us-gaap_TaxCreditCarryforwardTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardTable" xlink:to="lab_TaxCreditCarryforwardTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TaxCreditCarryforwardTable" xml:lang="en-US">Tax Credit Carryforward [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxCreditCarryforwardLineItems" xlink:label="us-gaap_TaxCreditCarryforwardLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardLineItems" xlink:to="lab_TaxCreditCarryforwardLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TaxCreditCarryforwardLineItems" xml:lang="en-US">Tax Credit Carryforward [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" xlink:label="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" xlink:to="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_lbl" 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</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_lbl" 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.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_lbl" 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</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod" xlink:label="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod" xlink:to="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_lbl" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_lbl" xml:lang="en-US">Company agreed not to sell acquired properties up to the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_lbl" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TaxCreditTransactionsAxis" xlink:label="bdn_TaxCreditTransactionsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TaxCreditTransactionsAxis" xlink:to="bdn_TaxCreditTransactionsAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TaxCreditTransactionsAxis_lbl" xml:lang="en-US">Tax Credit Transactions [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TaxCreditTransactionsAxis_lbl" xml:lang="en-US">Tax Credit Transactions Axis.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TaxCreditTransactionsDomain" xlink:label="bdn_TaxCreditTransactionsDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TaxCreditTransactionsDomain" xlink:to="bdn_TaxCreditTransactionsDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TaxCreditTransactionsDomain_lbl" xml:lang="en-US">Tax Credit Transactions [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TaxCreditTransactionsDomain_lbl" xml:lang="en-US">Tax Credit Transactions Domain.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AgreedContributionInProjectCost" xlink:label="bdn_AgreedContributionInProjectCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AgreedContributionInProjectCost" xlink:to="bdn_AgreedContributionInProjectCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AgreedContributionInProjectCost_lbl" xml:lang="en-US">Agreed contribution in project cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AgreedContributionInProjectCost_lbl" xml:lang="en-US">Agreed contribution in project cost by USB</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AgreedContributionInProjectCost_lbl" xml:lang="en-US">Agreed contribution in project cost.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_USBMember" xlink:label="bdn_USBMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_USBMember" xlink:to="bdn_USBMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_USBMember_lbl" xml:lang="en-US">U S B [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_USBMember_lbl" xml:lang="en-US">USB [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_USBMember_lbl" xml:lang="en-US">USB Member.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AmountToBeReceivedForProjectCost" xlink:label="bdn_AmountToBeReceivedForProjectCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AmountToBeReceivedForProjectCost" xlink:to="bdn_AmountToBeReceivedForProjectCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AmountToBeReceivedForProjectCost_lbl" xml:lang="en-US">Amount to be received for project cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AmountToBeReceivedForProjectCost_lbl" xml:lang="en-US">Amount to be received for project cost.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AmountToBeReceivedForProjectCost_lbl" xml:lang="en-US">Amount to be received for project cost</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredRevenue" xlink:label="us-gaap_DeferredRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredRevenue" xlink:to="lab_DeferredRevenue" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred Revenue, Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred Revenue, Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_DeferredRevenue" xml:lang="en-US">USB contributions presented within deferred income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_DeferredRevenue" xml:lang="en-US">Deferred Revenue, Total</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCosts" xlink:label="us-gaap_DeferredCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCosts" xlink:to="us-gaap_DeferredCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredCosts_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DeferredCosts_lbl" xml:lang="en-US">Deferred transaction costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_DeferredCosts_lbl" xml:lang="en-US">Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_DeferredCosts_lbl" xml:lang="en-US">Deferred costs, net</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AccretionOfNonControllingInterestLiability" xlink:label="bdn_AccretionOfNonControllingInterestLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AccretionOfNonControllingInterestLiability" xlink:to="bdn_AccretionOfNonControllingInterestLiability_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AccretionOfNonControllingInterestLiability_lbl" xml:lang="en-US">Accretion of non controlling interest liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AccretionOfNonControllingInterestLiability_lbl" xml:lang="en-US">Accretion of non controlling interest liability.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AccretionOfNonControllingInterestLiability_lbl" xml:lang="en-US">Accretion of non controlling interest liability</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ExpectedBenefitFromQualifiedProgram" xlink:label="bdn_ExpectedBenefitFromQualifiedProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ExpectedBenefitFromQualifiedProgram" xlink:to="bdn_ExpectedBenefitFromQualifiedProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ExpectedBenefitFromQualifiedProgram_lbl" xml:lang="en-US">Expected benefit from qualified program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ExpectedBenefitFromQualifiedProgram_lbl" xml:lang="en-US">Expected benefit from qualified program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ExpectedBenefitFromQualifiedProgram_lbl" xml:lang="en-US">Expected benefit from qualified program</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_lbl" xml:lang="en-US">Option activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock_lbl" xml:lang="en-US">Option activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityTextBlock_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Option Activity Text Block.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xml:lang="en-US">Granted, Aggregate Intrinsic Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodAggregateIntrinsicValue_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Aggregate Intrinsic Value.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract" xlink:to="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_lbl" xml:lang="en-US">Share Based Compensation Arrangements Restricted Share Activity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_lbl" xml:lang="en-US">Company's restricted share activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_lbl" xml:lang="en-US">Share Based Compensation Arrangements Restricted Share Activity Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Stock Options Nonvested Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_lbl" xml:lang="en-US">Unvested options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentStockOptionsNonvestedNumber_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Stock Options Nonvested Number.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Terms Of Purchase Common Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares_lbl" xml:lang="en-US">Share purchases made by employees under ESPP</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonShares_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Terms Of Purchase Common Shares.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants" xlink:label="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants" xlink:to="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants_lbl" xml:lang="en-US">Share Based Compensation Arrangement Maximum Contributions By Plan Participants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants_lbl" xml:lang="en-US">Maximum participant contribution under 2011 plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementMaximumContributionsByPlanParticipants_lbl" xml:lang="en-US">Share Based Compensation Arrangement Maximum Contributions By Plan Participants.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Weighted Average Price Paid for Shares Purchased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePricePaidForSharesPurchased" xml:lang="en-US">Purchase price of shares purchased under ESPP</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Decremental Compensation Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost_lbl" xml:lang="en-US">Net decrease in compensation costs due to change in market value of participant investment in plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationDecrementalCompensationCost_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Plan Modification Decremental Compensation Cost.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AreaOfIrsCampusBuilding" xlink:label="bdn_AreaOfIrsCampusBuilding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AreaOfIrsCampusBuilding" xlink:to="bdn_AreaOfIrsCampusBuilding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AreaOfIrsCampusBuilding_lbl" xml:lang="en-US">Area Of Irs Campus Building</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AreaOfIrsCampusBuilding_lbl" xml:lang="en-US">Area Of Irs Campus Building.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AreaOfIrsCampusBuilding_lbl" xml:lang="en-US">Area of IRS Philadelphia Campus building (in square foot)</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PercentageOfBuildingLeasedToIrs" xlink:label="bdn_PercentageOfBuildingLeasedToIrs" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PercentageOfBuildingLeasedToIrs" xlink:to="bdn_PercentageOfBuildingLeasedToIrs_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PercentageOfBuildingLeasedToIrs_lbl" xml:lang="en-US">Percentage Of Building Leased To Irs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PercentageOfBuildingLeasedToIrs_lbl" xml:lang="en-US">Percentage of building leased to IRS</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PercentageOfBuildingLeasedToIrs_lbl" xml:lang="en-US">Percentage Of Building Leased To IRS.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExecutiveOfficerMember" xlink:label="us-gaap_ExecutiveOfficerMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExecutiveOfficerMember" xlink:to="lab_ExecutiveOfficerMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExecutiveOfficerMember" xml:lang="en-US">Executive Officer [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ExecutiveOfficerMember" xml:lang="en-US">Executive Officer [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" xlink:label="us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" xlink:to="lab_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAxis" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits, by Title of Individual [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_TitleOfIndividualWithRelationshipToEntityDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_TitleOfIndividualWithRelationshipToEntityDomain" xml:lang="en-US">Title of Individual with Relationship to Entity [Domain]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract" xlink:to="bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTablesAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantAccountingPoliciesDetails" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetails" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantAccountingPoliciesDetails" xlink:to="bdn_SummaryOfSignificantAccountingPoliciesDetails_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetails_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Details)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetails_lbl" xml:lang="en-US">Summary of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xlink:to="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring Basis [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisAbstract" xml:lang="en-US">Fair value of assets and liabilities on recurring basis</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:to="lab_FairValueMeasurementInputsDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair Value, Measurement Inputs, Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasurementInputsDisclosureTextBlock" xml:lang="en-US">Fair value of assets and liabilities on recurring basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_AssetsAbstract" xml:lang="en-US">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_AssetsAbstract" xml:lang="en-US">Assets:</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_AssetsAbstract" xml:lang="en-US">ASSETS</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="lab_FairValueInputsLevel1Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel1Member" xml:lang="en-US">Fair Value Inputs Level 1 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel1Member" xml:lang="en-US">Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="lab_FairValueInputsLevel2Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel2Member" xml:lang="en-US">Fair Value Inputs Level 2 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel2Member" xml:lang="en-US">Significant Other Observable Inputs (Level 2) [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="lab_FairValueInputsLevel3Member" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueInputsLevel3Member" xml:lang="en-US">Fair Value Inputs Level 3 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueInputsLevel3Member" xml:lang="en-US">Unobservable Inputs (Level 3)[Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementOfFinancialPositionAbstract" xml:lang="en-US">Consolidated Balance Sheets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StatementOfFinancialPositionAbstract" xml:lang="en-US">Balance Sheets:</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantPoliciesPoliciesAbstract" xlink:label="bdn_SummaryOfSignificantPoliciesPoliciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantPoliciesPoliciesAbstract" xlink:to="bdn_SummaryOfSignificantPoliciesPoliciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantPoliciesPoliciesAbstract_lbl" xml:lang="en-US">Summary of Significant Policies (Policies) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantPoliciesPoliciesAbstract_lbl" xml:lang="en-US">Summary Of Significant Policy.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativesPolicyTextBlock" xlink:label="us-gaap_DerivativesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativesPolicyTextBlock" xlink:to="lab_DerivativesPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Derivatives [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativesPolicyTextBlock" xml:lang="en-US">Accounting for Derivative Instruments and Hedging Activities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="lab_RevenueRecognitionPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RevenueRecognitionPolicyTextBlock" xml:lang="en-US">Revenue Recognition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_IncomeTaxPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Tax [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeTaxPolicyTextBlock" xml:lang="en-US">Income Taxes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="us-gaap_ConsolidationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_ConsolidationPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ConsolidationPolicyTextBlock" xml:lang="en-US">Consolidation [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ConsolidationPolicyTextBlock" xml:lang="en-US">Principles of Consolidation</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BasisOfPresentationPolicyTextBlock" xlink:label="bdn_BasisOfPresentationPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BasisOfPresentationPolicyTextBlock" xlink:to="bdn_BasisOfPresentationPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BasisOfPresentationPolicyTextBlock_lbl" xml:lang="en-US">Basis Of Presentation [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BasisOfPresentationPolicyTextBlock_lbl" xml:lang="en-US">Basis of Presentation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BasisOfPresentationPolicyTextBlock_lbl" xml:lang="en-US">Basis of Presentation.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UseOfEstimatesPolicyTextBlock" xlink:label="bdn_UseOfEstimatesPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UseOfEstimatesPolicyTextBlock" xlink:to="bdn_UseOfEstimatesPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of Estimates [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UseOfEstimatesPolicyTextBlock_lbl" xml:lang="en-US">Use of Estimates.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract" xlink:to="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesTextualsAbstract_lbl" xml:lang="en-US">Summary of Significant Accounting Policies.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LeasingCostReclassifiedToCapitalExpenditure" xlink:label="bdn_LeasingCostReclassifiedToCapitalExpenditure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LeasingCostReclassifiedToCapitalExpenditure" xlink:to="bdn_LeasingCostReclassifiedToCapitalExpenditure_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LeasingCostReclassifiedToCapitalExpenditure_lbl" xml:lang="en-US">Leasing Cost Reclassified To Capital Expenditure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LeasingCostReclassifiedToCapitalExpenditure_lbl" xml:lang="en-US">Leasing cost reclassified to capital expenditure.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LeasingCostReclassifiedToCapitalExpenditure_lbl" xml:lang="en-US">Leasing cost reclassified to capital expenditure</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RevenueIncreasedByStraightLineRentAdjustment" xlink:label="bdn_RevenueIncreasedByStraightLineRentAdjustment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RevenueIncreasedByStraightLineRentAdjustment" xlink:to="bdn_RevenueIncreasedByStraightLineRentAdjustment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RevenueIncreasedByStraightLineRentAdjustment_lbl" xml:lang="en-US">Revenue Increased By Straight Line Rent Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RevenueIncreasedByStraightLineRentAdjustment_lbl" xml:lang="en-US">Revenue increased by straight-line rent adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RevenueIncreasedByStraightLineRentAdjustment_lbl" xml:lang="en-US">Revenue increased by straight-line rent adjustment</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OptionsAwardedTerm" xlink:label="bdn_OptionsAwardedTerm" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OptionsAwardedTerm" xlink:to="bdn_OptionsAwardedTerm_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OptionsAwardedTerm_lbl" xml:lang="en-US">Options Awarded Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OptionsAwardedTerm_lbl" xml:lang="en-US">Options awarded, term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OptionsAwardedTerm_lbl" xml:lang="en-US">Options awarded, term</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTable" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisTable" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsAxis" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisDisclosureItemsDomain" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Disclosure Items [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xlink:to="lab_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueAssetsMeasuredOnRecurringBasisFinancialStatementCaptionsLineItems" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DiscontinuedOperationsTablesAbstract" xlink:label="bdn_DiscontinuedOperationsTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DiscontinuedOperationsTablesAbstract" xlink:to="bdn_DiscontinuedOperationsTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DiscontinuedOperationsTablesAbstract_lbl" xml:lang="en-US">Discontinued Operations (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DiscontinuedOperationsTablesAbstract_lbl" xml:lang="en-US">Discontinued Operations.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DiscontinuedOperationsDetailsAbstract" xlink:label="bdn_DiscontinuedOperationsDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DiscontinuedOperationsDetailsAbstract" xlink:to="bdn_DiscontinuedOperationsDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DiscontinuedOperationsDetailsAbstract_lbl" xml:lang="en-US">Discontinued Operations (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DiscontinuedOperationsDetailsAbstract_lbl" xml:lang="en-US">Discontinued Operations.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentDiscontinuedOperationsMember" xlink:to="lab_SegmentDiscontinuedOperationsMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentDiscontinuedOperationsMember" xml:lang="en-US">Discontinued Operations [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_SegmentDiscontinuedOperationsMember" xml:lang="en-US">Discontinued Operations [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xlink:to="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xml:lang="en-US">Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract" xml:lang="en-US">Revenue and expense information for the property classified as discontinued operations</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DiscontinuedOperationsTextualsAbstract" xlink:label="bdn_DiscontinuedOperationsTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DiscontinuedOperationsTextualsAbstract" xlink:to="bdn_DiscontinuedOperationsTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DiscontinuedOperationsTextualsAbstract_lbl" xml:lang="en-US">Discontinued Operations (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DiscontinuedOperationsTextualsAbstract_lbl" xml:lang="en-US">Discontinued Operations (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DiscontinuedOperationsTextualsAbstract_lbl" xml:lang="en-US">Discontinued Operations.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfPropertiesSold" xlink:label="bdn_NumberOfPropertiesSold" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfPropertiesSold" xlink:to="bdn_NumberOfPropertiesSold_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfPropertiesSold_lbl" xml:lang="en-US">Number of properties sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfPropertiesSold_lbl" xml:lang="en-US">Number of properties sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfPropertiesSold_lbl" xml:lang="en-US">Number of properties sold</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NonControllingInterestsInParentCompanyDetailsAbstract" xlink:label="bdn_NonControllingInterestsInParentCompanyDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NonControllingInterestsInParentCompanyDetailsAbstract" xlink:to="bdn_NonControllingInterestsInParentCompanyDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NonControllingInterestsInParentCompanyDetailsAbstract_lbl" xml:lang="en-US">Non-Controlling Interests in the Parent Company (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NonControllingInterestsInParentCompanyDetailsAbstract_lbl" xml:lang="en-US">Non-Controlling Interests In The Parent Company.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestInOperatingPartnerships" xlink:label="us-gaap_MinorityInterestInOperatingPartnerships" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestInOperatingPartnerships" xlink:to="lab_MinorityInterestInOperatingPartnerships" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterestInOperatingPartnerships" xml:lang="en-US">Noncontrolling Interest in Operating Partnerships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinorityInterestInOperatingPartnerships" xml:lang="en-US">Aggregate amount related to non-controlling interests classified within equity</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NonControllingInterestsInParentCompanyTextualsAbstract" xlink:label="bdn_NonControllingInterestsInParentCompanyTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NonControllingInterestsInParentCompanyTextualsAbstract" xlink:to="bdn_NonControllingInterestsInParentCompanyTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NonControllingInterestsInParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Non Controlling Interests In The Parent Company (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NonControllingInterestsInParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Non-Controlling Interests in the Parent Company (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NonControllingInterestsInParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Non-Controlling Interests In The Parent Company.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="lab_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xml:lang="en-US">Disposal Groups, Including Discontinued Operations, Name [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xml:lang="en-US">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit" xlink:label="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit" xlink:to="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit_lbl" xml:lang="en-US">Minimum percentage of taxable income required to be distributed to shareholders in order to continue to qualify as a Reit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit_lbl" xml:lang="en-US">Minimum percentage of taxable income required to be distributed to shareholders in order to continue to qualify as a REIT</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MinimumPercentageOfTaxableIncomeRequiredToBeDistributedToShareholdersInOrderToContinueToQualifyAsReit_lbl" xml:lang="en-US">Minimum percentage of taxable income required to be distributed to shareholders in order to continue to qualify as a REIT.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PjpViiMember" xlink:label="bdn_PjpViiMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PjpViiMember" xlink:to="bdn_PjpViiMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PjpViiMember_lbl" xml:lang="en-US">PJP VII [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PjpViiMember_lbl" xml:lang="en-US">PJP VII.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock" xlink:label="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock" xlink:to="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock_lbl" xml:lang="en-US">Revenue and Expense Information For The Property Classified As Discontinued Operations [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock_lbl" xml:lang="en-US">Revenue and expense information for the property classified as discontinued operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RevenueAndExpenseInformationForPropertyClassifiedAsDiscontinuedOperationsTextBlock_lbl" xml:lang="en-US">Revenue and expense information for the property classified as discontinued operations.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SettlementValueOfNonControllingInterestInOperatingPartnership" xlink:label="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership" xlink:to="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_lbl" xml:lang="en-US">Settlement Value Of Non Controlling Interest In Operating Partnership</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_lbl" xml:lang="en-US">Settlement value of non controlling interest in operating partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SettlementValueOfNonControllingInterestInOperatingPartnership_lbl" xml:lang="en-US">Settlement value of non controlling interest in operating partnership</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueMeasuredOnRecurringBasisInvestments" xlink:label="us-gaap_FairValueMeasuredOnRecurringBasisInvestments" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueMeasuredOnRecurringBasisInvestments" xlink:to="lab_FairValueMeasuredOnRecurringBasisInvestments" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FairValueMeasuredOnRecurringBasisInvestments" xml:lang="en-US">Fair Value, Measured on Recurring Basis, Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FairValueMeasuredOnRecurringBasisInvestments" xml:lang="en-US">Available-for-Sale Securities</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="lab_PropertyPlantAndEquipmentPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Property, Plant and Equipment [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PropertyPlantAndEquipmentPolicyTextBlock" xml:lang="en-US">Operating Properties</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:label="us-gaap_CompensationRelatedCostsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:to="lab_CompensationRelatedCostsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CompensationRelatedCostsPolicyTextBlock" xml:lang="en-US">Compensation Related Costs [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CompensationRelatedCostsPolicyTextBlock" xml:lang="en-US">Stock-Based Compensation Plans</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:label="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:to="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Business Combinations and Other Purchase of Business Transactions [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US">Purchase Price Allocation</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueMeasurementsPolicyTextBlock" xlink:label="bdn_FairValueMeasurementsPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueMeasurementsPolicyTextBlock" xlink:to="bdn_FairValueMeasurementsPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Fair Value Measurements [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Fair Value Measurements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueMeasurementsPolicyTextBlock_lbl" xml:lang="en-US">Describes an entity's accounting policy for determining the fair value of its financial instruments.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DevelopmentExpenseForLand" xlink:label="bdn_DevelopmentExpenseForLand" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DevelopmentExpenseForLand" xlink:to="bdn_DevelopmentExpenseForLand_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DevelopmentExpenseForLand_lbl" xml:lang="en-US">Development expense for land</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DevelopmentExpenseForLand_lbl" xml:lang="en-US">Development expense for land.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DevelopmentExpenseForLand_lbl" xml:lang="en-US">Development expense for land</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncreasedRevenueDueToAmortizationOfDeferredRent" xlink:label="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent" xlink:to="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent_lbl" xml:lang="en-US">Increased Revenue Due To Amortization Of Deferred Rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent_lbl" xml:lang="en-US">Increased revenue due to amortization of deferred rent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncreasedRevenueDueToAmortizationOfDeferredRent_lbl" xml:lang="en-US">Increased revenue due to amortization of deferred rent</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DecreaseInRevenueDueToLeaseIncentives" xlink:label="bdn_DecreaseInRevenueDueToLeaseIncentives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DecreaseInRevenueDueToLeaseIncentives" xlink:to="bdn_DecreaseInRevenueDueToLeaseIncentives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DecreaseInRevenueDueToLeaseIncentives_lbl" xml:lang="en-US">Decrease In Revenue Due To Lease Incentives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DecreaseInRevenueDueToLeaseIncentives_lbl" xml:lang="en-US">Decrease in revenue due to amortization of lease incentives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DecreaseInRevenueDueToLeaseIncentives_lbl" xml:lang="en-US">Decrease in revenue due to lease incentives.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncreaseInSharesDueToAmendmentsInPlan" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlan" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncreaseInSharesDueToAmendmentsInPlan" xlink:to="bdn_IncreaseInSharesDueToAmendmentsInPlan_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlan_lbl" xml:lang="en-US">Increase In Shares Due To Amendments In Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlan_lbl" xml:lang="en-US">Increase in Common shares available for future awards</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlan_lbl" xml:lang="en-US">Increase in shares due to amendments in plan.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" xlink:to="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_lbl" xml:lang="en-US">Increase In Shares Due To Amendments In Plan Shares Solely Available For Options And Share Appreciation Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_lbl" xml:lang="en-US">Increase in shares due to amendments in plan, shares solely available for options and share appreciation rights.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights_lbl" xml:lang="en-US">Increase in shares due to amendments in plan, shares solely available for options and share appreciation rights</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xml:lang="en-US">Common shares available for future awards</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure" xlink:label="us-gaap_GuaranteeObligationsMaximumExposure" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="lab_GuaranteeObligationsMaximumExposure" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Payment guarantees other than the guarantee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GuaranteeObligationsMaximumExposure" xml:lang="en-US">Guarantor Obligations, Maximum Exposure, Undiscounted</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:to="lab_VariableInterestEntitiesByClassificationOfEntityAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_VariableInterestEntitiesByClassificationOfEntityAxis" xml:lang="en-US">Variable Interest Entities by Classification of Entity [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:to="lab_ClassificationOfVariableInterestEntityDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ClassificationOfVariableInterestEntityDomain" xml:lang="en-US">Variable Interest Entity, Classification [Domain]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BeneficiariesEquityOfParentCompanyTablesAbstract" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BeneficiariesEquityOfParentCompanyTablesAbstract" xlink:to="bdn_BeneficiariesEquityOfParentCompanyTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTablesAbstract_lbl" xml:lang="en-US">Beneficiaries' Equity of The Parent Company (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTablesAbstract_lbl" xml:lang="en-US">Beneficiaries' Equity Of The Parent Company.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract" xlink:label="bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract" xlink:to="bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract_lbl" xml:lang="en-US">Beneficiaries' Equity of The Parent Company (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BeneficiariesEquityOfParentCompanyDetailsAbstract_lbl" xml:lang="en-US">Beneficiaries' Equity Of The Parent Company.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="lab_EarningsPerShareTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarningsPerShareTextBlock" xml:lang="en-US">Earnings Per Share [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarningsPerShareTextBlock" xml:lang="en-US">Earnings per Share (EPS)</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumeratorAbstract" xlink:label="bdn_NumeratorAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumeratorAbstract" xlink:to="bdn_NumeratorAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumeratorAbstract_lbl" xml:lang="en-US">Numerator [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumeratorAbstract_lbl" xml:lang="en-US">Numerator</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumeratorAbstract_lbl" xml:lang="en-US">Numerator</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DenominatorAbstract" xlink:label="bdn_DenominatorAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DenominatorAbstract" xlink:to="bdn_DenominatorAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DenominatorAbstract_lbl" xml:lang="en-US">Denominator [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DenominatorAbstract_lbl" xml:lang="en-US">Denominator</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DenominatorAbstract_lbl" xml:lang="en-US">Denominator.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:label="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:to="lab_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xml:lang="en-US">Loss from continuing operations available to common shareholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xml:lang="en-US">Income (Loss) from Continuing Operations Attributable to Noncontrolling Interest</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract" xlink:to="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Beneficiaries Equity of The Parent Company (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Beneficiaries Equity of The Parent Company (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BeneficiariesEquityOfParentCompanyTextualsAbstract_lbl" xml:lang="en-US">Beneficiaries' Equity Of The Parent Company.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PreferentialReturn" xlink:label="bdn_PreferentialReturn" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PreferentialReturn" xlink:to="bdn_PreferentialReturn_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PreferentialReturn_lbl" xml:lang="en-US">Preferential Return</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PreferentialReturn_lbl" xml:lang="en-US">Preferential return for series C</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PreferentialReturn_lbl" xml:lang="en-US">Preferential return.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DividendPaidForSeriesCPreferredShares" xlink:label="bdn_DividendPaidForSeriesCPreferredShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DividendPaidForSeriesCPreferredShares" xlink:to="bdn_DividendPaidForSeriesCPreferredShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DividendPaidForSeriesCPreferredShares_lbl" xml:lang="en-US">Dividend Paid For Series C Preferred Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DividendPaidForSeriesCPreferredShares_lbl" xml:lang="en-US">Dividend paid for series C preferred shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DividendPaidForSeriesCPreferredShares_lbl" xml:lang="en-US">Dividend paid for series C preferred shares</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DividendPaidForSeriesDPreferredShares" xlink:label="bdn_DividendPaidForSeriesDPreferredShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DividendPaidForSeriesDPreferredShares" xlink:to="bdn_DividendPaidForSeriesDPreferredShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DividendPaidForSeriesDPreferredShares_lbl" xml:lang="en-US">Dividend Paid For Series D Preferred Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DividendPaidForSeriesDPreferredShares_lbl" xml:lang="en-US">Dividend paid for series D preferred shares.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DividendPaidForSeriesDPreferredShares_lbl" xml:lang="en-US">Dividend paid for series D preferred shares</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommonSharesCapacityRestored" xlink:label="bdn_CommonSharesCapacityRestored" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommonSharesCapacityRestored" xlink:to="bdn_CommonSharesCapacityRestored_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommonSharesCapacityRestored_lbl" xml:lang="en-US">Common shares capacity restored</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommonSharesCapacityRestored_lbl" xml:lang="en-US">Common shares capacity restored.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommonSharesCapacityRestored_lbl" xml:lang="en-US">Common shares capacity restored</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PreferentialReturnForSeriesD" xlink:label="bdn_PreferentialReturnForSeriesD" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PreferentialReturnForSeriesD" xlink:to="bdn_PreferentialReturnForSeriesD_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PreferentialReturnForSeriesD_lbl" xml:lang="en-US">Preferential return for series D</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PreferentialReturnForSeriesD_lbl" xml:lang="en-US">Preferential return for series D.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PreferentialReturnForSeriesD_lbl" xml:lang="en-US">Preferential return for series D</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnersEquityOfOperatingPartnershipTablesAbstract" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnersEquityOfOperatingPartnershipTablesAbstract" xlink:to="bdn_PartnersEquityOfOperatingPartnershipTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTablesAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTablesAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EarningsPerCommonPartnershipUnitTextBlock" xlink:label="bdn_EarningsPerCommonPartnershipUnitTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EarningsPerCommonPartnershipUnitTextBlock" xlink:to="bdn_EarningsPerCommonPartnershipUnitTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EarningsPerCommonPartnershipUnitTextBlock_lbl" xml:lang="en-US">Earnings per Common Partnership Unit [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EarningsPerCommonPartnershipUnitTextBlock_lbl" xml:lang="en-US">Earnings per Common Partnership Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EarningsPerCommonPartnershipUnitTextBlock_lbl" xml:lang="en-US">Earnings per common partnership unit.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract" xlink:label="bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract" xlink:to="bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnersEquityOfOperatingPartnershipDetailsAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership Details Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EarningsPerCommonPartnershipUnitTable" xlink:label="bdn_EarningsPerCommonPartnershipUnitTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EarningsPerCommonPartnershipUnitTable" xlink:to="bdn_EarningsPerCommonPartnershipUnitTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EarningsPerCommonPartnershipUnitTable_lbl" xml:lang="en-US">Earnings per Common Partnership Unit [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EarningsPerCommonPartnershipUnitTable_lbl" xml:lang="en-US">Earnings per Common Partnership Unit.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EarningsPerCommonPartnershipUnitLineItems" xlink:label="bdn_EarningsPerCommonPartnershipUnitLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EarningsPerCommonPartnershipUnitLineItems" xlink:to="bdn_EarningsPerCommonPartnershipUnitLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EarningsPerCommonPartnershipUnitLineItems_lbl" xml:lang="en-US">Earnings per Common Partnership Unit [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EarningsPerCommonPartnershipUnitLineItems_lbl" xml:lang="en-US">Earnings per common partnership unit line items.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EarningsPerCommonPartnershipUnitAbstract" xlink:label="bdn_EarningsPerCommonPartnershipUnitAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EarningsPerCommonPartnershipUnitAbstract" xlink:to="bdn_EarningsPerCommonPartnershipUnitAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EarningsPerCommonPartnershipUnitAbstract_lbl" xml:lang="en-US">Earnings per Common Partnership Unit [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EarningsPerCommonPartnershipUnitAbstract_lbl" xml:lang="en-US">Earnings per Common Partnership Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EarningsPerCommonPartnershipUnitAbstract_lbl" xml:lang="en-US">Earnings per common partnership unit Abstract.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted" xlink:to="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_lbl" xml:lang="en-US">Amount allocated to unvested restricted shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_lbl" xml:lang="en-US">Amount allocable to unvested restricted unitholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_lbl" xml:lang="en-US">Amount allocable to unvested restricted shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AmountAllocatedToUnvestedRestrictedShareholdersDiluted_lbl" xml:lang="en-US">Amount allocated to unvested restricted shareholders, Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PreferredStockDividendsDiluted" xlink:label="bdn_PreferredStockDividendsDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PreferredStockDividendsDiluted" xlink:to="bdn_PreferredStockDividendsDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PreferredStockDividendsDiluted_lbl" xml:lang="en-US">Preferred Stock Dividends, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PreferredStockDividendsDiluted_lbl" xml:lang="en-US">Preferred share dividends, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_PreferredStockDividendsDiluted_lbl" xml:lang="en-US">Preferred share dividends, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PreferredStockDividendsDiluted_lbl" xml:lang="en-US">Preferred stock dividends, Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" xlink:label="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" xlink:to="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_lbl" xml:lang="en-US">Loss from continuing operations available to common unitholders Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_lbl" xml:lang="en-US">Loss from continuing operations available to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_lbl" xml:lang="en-US">Loss from continuing operations available to common unitholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted_lbl" xml:lang="en-US">Loss from continuing operations available to common unitholders, Diluted.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="us-gaap_NetIncomeLossAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAbstract" xlink:to="lab_NetIncomeLossAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAbstract" xml:lang="en-US">Net Income (Loss) Attributable to Parent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_NetIncomeLossAbstract" xml:lang="en-US">Reconciliation of consolidated net operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLossAbstract" xml:lang="en-US">Numerator</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_WeightedAverageNumberOfSharesOutstandingAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WeightedAverageNumberOfSharesOutstandingAbstract" xml:lang="en-US">Denominator</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract" xlink:to="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership Textuals [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnersEquityOfOperatingPartnershipTextualsAbstract_lbl" xml:lang="en-US">Partners Equity of The Operating Partnership.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MarketPriceOfSharesOnAcquisitionDate" xlink:label="bdn_MarketPriceOfSharesOnAcquisitionDate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MarketPriceOfSharesOnAcquisitionDate" xlink:to="bdn_MarketPriceOfSharesOnAcquisitionDate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MarketPriceOfSharesOnAcquisitionDate_lbl" xml:lang="en-US">Market price of shares on acquisition date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MarketPriceOfSharesOnAcquisitionDate_lbl" xml:lang="en-US">Market price of shares on acquisition date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MarketPriceOfSharesOnAcquisitionDate_lbl" xml:lang="en-US">Market price of shares on acquisition date</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DividendRate" xlink:label="bdn_DividendRate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DividendRate" xlink:to="bdn_DividendRate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DividendRate_lbl" xml:lang="en-US">Dividend rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DividendRate_lbl" xml:lang="en-US">Dividend rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DividendRate_lbl" xml:lang="en-US">Dividend rate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="lab_NetIncomeLossAvailableToCommonStockholdersDiluted" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US">Net income available to common unitholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US">Net loss attributable to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US">Net Income Loss Available To Common Stockholders Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US">Net loss attributable to Common Shareholders of Brandywine Realty Trust, Diluted</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromDiscontinuedOperationsDiluted" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromDiscontinuedOperationsDiluted" xlink:to="bdn_IncomeLossFromDiscontinuedOperationsDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsDiluted_lbl" xml:lang="en-US">Income (Loss) From Discontinued Operations Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsDiluted_lbl" xml:lang="en-US">Income (loss) from discontinued operations, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsDiluted_lbl" xml:lang="en-US">Income (loss) from discontinued operations.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AverageSalesPricePerShare" xlink:label="bdn_AverageSalesPricePerShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AverageSalesPricePerShare" xlink:to="bdn_AverageSalesPricePerShare_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AverageSalesPricePerShare_lbl" xml:lang="en-US">Average Sales Price Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AverageSalesPricePerShare_lbl" xml:lang="en-US">Average sales price per share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AverageSalesPricePerShare_lbl" xml:lang="en-US">Average sales price per share</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SegmentInformationTablesAbstract" xlink:label="bdn_SegmentInformationTablesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SegmentInformationTablesAbstract" xlink:to="bdn_SegmentInformationTablesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SegmentInformationTablesAbstract_lbl" xml:lang="en-US">Segment Information (Tables) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SegmentInformationTablesAbstract_lbl" xml:lang="en-US">Segment Information.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xml:lang="en-US">Segment information</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PennsylvaniaMember" xlink:label="bdn_PennsylvaniaMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PennsylvaniaMember" xlink:to="bdn_PennsylvaniaMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PennsylvaniaMember_lbl" xml:lang="en-US">Pennsylvania [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PennsylvaniaMember_lbl" xml:lang="en-US">Pennsylvania Suburbs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PennsylvaniaMember_lbl" xml:lang="en-US">Pennsylvania.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PhiladelphiaCbdMember" xlink:label="bdn_PhiladelphiaCbdMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PhiladelphiaCbdMember" xlink:to="bdn_PhiladelphiaCbdMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PhiladelphiaCbdMember_lbl" xml:lang="en-US">Philadelphia CBD [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PhiladelphiaCbdMember_lbl" xml:lang="en-US">Philadelphia CBD [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PhiladelphiaCbdMember_lbl" xml:lang="en-US">Philadelphia CBD.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MetropolitanDcMember" xlink:label="bdn_MetropolitanDcMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MetropolitanDcMember" xlink:to="bdn_MetropolitanDcMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MetropolitanDcMember_lbl" xml:lang="en-US">Metropolitan Dc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MetropolitanDcMember_lbl" xml:lang="en-US">Metropolitan, D.C. [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MetropolitanDcMember_lbl" xml:lang="en-US">Metropolitan, D.C.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NewJerseyDelawareMember" xlink:label="bdn_NewJerseyDelawareMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NewJerseyDelawareMember" xlink:to="bdn_NewJerseyDelawareMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NewJerseyDelawareMember_lbl" xml:lang="en-US">New Jersey/ Delaware [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NewJerseyDelawareMember_lbl" xml:lang="en-US">New Jersey/ Delaware [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NewJerseyDelawareMember_lbl" xml:lang="en-US">New Jersey/ Delaware</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RichmondVirginiaMember" xlink:label="bdn_RichmondVirginiaMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RichmondVirginiaMember" xlink:to="bdn_RichmondVirginiaMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RichmondVirginiaMember_lbl" xml:lang="en-US">Richmond, Virginia [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RichmondVirginiaMember_lbl" xml:lang="en-US">Richmond, Virginia [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RichmondVirginiaMember_lbl" xml:lang="en-US">Richmond, Virginia.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AustinTexasMember" xlink:label="bdn_AustinTexasMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AustinTexasMember" xlink:to="bdn_AustinTexasMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AustinTexasMember_lbl" xml:lang="en-US">Austin, Texas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AustinTexasMember_lbl" xml:lang="en-US">Austin, Texas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AustinTexasMember_lbl" xml:lang="en-US">Austin, Texas.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CaliforniaMember" xlink:label="bdn_CaliforniaMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CaliforniaMember" xlink:to="bdn_CaliforniaMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CaliforniaMember_lbl" xml:lang="en-US">California [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CaliforniaMember_lbl" xml:lang="en-US">California [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CaliforniaMember_lbl" xml:lang="en-US">California.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CorporateMember" xlink:label="bdn_CorporateMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CorporateMember" xlink:to="bdn_CorporateMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CorporateMember_lbl" xml:lang="en-US">Corporate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CorporateMember_lbl" xml:lang="en-US">Corporate [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CorporateMember_lbl" xml:lang="en-US">Corporate.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_StatementBusinessSegmentsAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementBusinessSegmentsAxis" xml:lang="en-US">Statement, Business Segments [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentBusinessDomain" xlink:label="us-gaap_SegmentBusinessDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentBusinessDomain" xlink:to="lab_SegmentBusinessDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentBusinessDomain" xml:lang="en-US">Segment, Business [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_SegmentReportingInformationLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_SegmentReportingInformationLineItems" xml:lang="en-US">Segment Reporting Information [Line Items]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted" xlink:label="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted" xlink:to="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Loss from continuing operations, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Income Loss From Continuing Operations Including Portion Attributable To Non controlling Interest Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic" xlink:to="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_lbl" xml:lang="en-US">Net Loss Income From Continuing Operations Attributable to Non controlling interests Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_lbl" xml:lang="en-US">Net loss from continuing operations attributable to non-controlling interests, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsBasic_lbl" xml:lang="en-US">Net (loss) income from continuing operations attributable to non-controlling interests Basic.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted" xlink:to="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Attributable To Non controlling Interest Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">(Income) loss from discontinued operations attributable to non-controlling interests, diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Discontinued operations attributable to non-controlling interests, diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNonControllingInterestDiluted_lbl" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Attributable To Non controlling Interest Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic" xlink:to="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Discontinued operations attributable to common shareholders, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Basic.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted" xlink:to="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Discontinued operations attributable to common shareholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Income Loss from Discontinued operations available to common shareholders Diluted</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_WeightedAverageSharesOutstandingBasic" xlink:label="bdn_WeightedAverageSharesOutstandingBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_WeightedAverageSharesOutstandingBasic" xlink:to="bdn_WeightedAverageSharesOutstandingBasic_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_WeightedAverageSharesOutstandingBasic_lbl" xml:lang="en-US">Weighted average shares outstanding Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_WeightedAverageSharesOutstandingBasic_lbl" xml:lang="en-US">Weighted-average units outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_WeightedAverageSharesOutstandingBasic_lbl" xml:lang="en-US">Weighted-average shares outstanding, Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_WeightedAverageSharesOutstandingBasic_lbl" xml:lang="en-US">Weighted average shares outstanding Basic.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_WeightedAverageSharesOutstandingDiluted" xlink:label="bdn_WeightedAverageSharesOutstandingDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_WeightedAverageSharesOutstandingDiluted" xlink:to="bdn_WeightedAverageSharesOutstandingDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_WeightedAverageSharesOutstandingDiluted_lbl" xml:lang="en-US">Weighted average shares outstanding Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_WeightedAverageSharesOutstandingDiluted_lbl" xml:lang="en-US">Weighted-average units outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_WeightedAverageSharesOutstandingDiluted_lbl" xml:lang="en-US">Weighted-average shares outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_WeightedAverageSharesOutstandingDiluted_lbl" xml:lang="en-US">Weighted-average shares outstanding Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AntiDilutiveRedeemableLimitedPartnershipUnits" xlink:label="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits" xlink:to="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Anti dilutive Redeemable limited partnership units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Redeemable limited partnership units excluded from the diluted earnings per share computations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AntiDilutiveRedeemableLimitedPartnershipUnits_lbl" xml:lang="en-US">Anti dilutive Redeemable limited partnership units.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DividendDeclaredPerCommonShare" xlink:label="bdn_DividendDeclaredPerCommonShare" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DividendDeclaredPerCommonShare" xlink:to="bdn_DividendDeclaredPerCommonShare_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DividendDeclaredPerCommonShare_lbl" xml:lang="en-US">Dividend declared per common share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DividendDeclaredPerCommonShare_lbl" xml:lang="en-US">Dividend Declared Per Common Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DividendDeclaredPerCommonShare_lbl" xml:lang="en-US">Dividend declared per common share</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AmountOfDividendDeclared" xlink:label="bdn_AmountOfDividendDeclared" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AmountOfDividendDeclared" xlink:to="bdn_AmountOfDividendDeclared_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AmountOfDividendDeclared_lbl" xml:lang="en-US">Amount of Dividend Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AmountOfDividendDeclared_lbl" xml:lang="en-US">Amount of dividend declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AmountOfDividendDeclared_lbl" xml:lang="en-US">Amount of Dividend Declared.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents" xlink:label="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents" xlink:to="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_lbl" xml:lang="en-US">Maximum percentage of Gross sale price per share compensation to sales agents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_lbl" xml:lang="en-US">Maximum percentage of Gross sale price per share, compensation to sales agents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MaximumPercentageOfGrossSalePricePerShareCompensationToSalesAgents_lbl" xml:lang="en-US">Maximum percentage of Gross sale price per share compensation to sales agents.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommonPartnershipUnitsIssuedToParentCompany" xlink:label="bdn_CommonPartnershipUnitsIssuedToParentCompany" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommonPartnershipUnitsIssuedToParentCompany" xlink:to="bdn_CommonPartnershipUnitsIssuedToParentCompany_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommonPartnershipUnitsIssuedToParentCompany_lbl" xml:lang="en-US">Common partnership units issued to the parent company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommonPartnershipUnitsIssuedToParentCompany_lbl" xml:lang="en-US">Common partnership units issued to the parent company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommonPartnershipUnitsIssuedToParentCompany_lbl" xml:lang="en-US">Common partnership units issued to the parent company</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AdditionalSharesExpectedToBePurchasedUnderProgram" xlink:label="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram" xlink:to="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_lbl" xml:lang="en-US">Additional shares Expected to be purchased under program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_lbl" xml:lang="en-US">Additional shares Expected to be purchased under program.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AdditionalSharesExpectedToBePurchasedUnderProgram_lbl" xml:lang="en-US">Additional shares Expected to be purchased under program</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" xlink:to="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Loss from continuing operations available to common unitholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Basic.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted" xlink:to="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Loss from continuing operations available to common unitholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" xml:lang="en-US">Income Loss from continuing operations available to common shareholders Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted" xlink:to="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_lbl" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_lbl" xml:lang="en-US">Discontinued operations attributable to common unitholders, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncomeLossFromDiscontinuedOperationsNetOfTaxDiluted_lbl" xml:lang="en-US">Income Loss From Discontinued Operations Net Of Tax Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DistributionDeclaredPerCommonPartnershipUnit" xlink:label="bdn_DistributionDeclaredPerCommonPartnershipUnit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DistributionDeclaredPerCommonPartnershipUnit" xlink:to="bdn_DistributionDeclaredPerCommonPartnershipUnit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DistributionDeclaredPerCommonPartnershipUnit_lbl" xml:lang="en-US">Distribution Declared per common partnership unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DistributionDeclaredPerCommonPartnershipUnit_lbl" xml:lang="en-US">Distribution Declared per common partnership unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DistributionDeclaredPerCommonPartnershipUnit_lbl" xml:lang="en-US">Distribution Declared per common partnership unit</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DistributionDeclaredForCommonPartnershipUnitholders" xlink:label="bdn_DistributionDeclaredForCommonPartnershipUnitholders" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DistributionDeclaredForCommonPartnershipUnitholders" xlink:to="bdn_DistributionDeclaredForCommonPartnershipUnitholders_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DistributionDeclaredForCommonPartnershipUnitholders_lbl" xml:lang="en-US">Distribution Declared for common partnership unitholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DistributionDeclaredForCommonPartnershipUnitholders_lbl" xml:lang="en-US">Distribution Declared for common partnership unitholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DistributionDeclaredForCommonPartnershipUnitholders_lbl" xml:lang="en-US">Distribution Declared for common partnership unitholders.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DistributionsPaidPreferredUnitholders" xlink:label="bdn_DistributionsPaidPreferredUnitholders" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DistributionsPaidPreferredUnitholders" xlink:to="bdn_DistributionsPaidPreferredUnitholders_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DistributionsPaidPreferredUnitholders_lbl" xml:lang="en-US">Distributions paid Preferred unitholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DistributionsPaidPreferredUnitholders_lbl" xml:lang="en-US">Distributions paid Preferred unitholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DistributionsPaidPreferredUnitholders_lbl" xml:lang="en-US">Distributions paid Preferred unitholders</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromContributionsFromParent" xlink:label="us-gaap_ProceedsFromContributionsFromParent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromContributionsFromParent" xlink:to="lab_ProceedsFromContributionsFromParent" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromContributionsFromParent" xml:lang="en-US">Proceeds from Contributions from Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromContributionsFromParent" xml:lang="en-US">Net proceeds contributed by Parent Company</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommonPartnershipUnitsIssued" xlink:label="bdn_CommonPartnershipUnitsIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommonPartnershipUnitsIssued" xlink:to="bdn_CommonPartnershipUnitsIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommonPartnershipUnitsIssued_lbl" xml:lang="en-US">Common Partnership Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommonPartnershipUnitsIssued_lbl" xml:lang="en-US">Common partnership units issued to the parent company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommonPartnershipUnitsIssued_lbl" xml:lang="en-US">Common Partnership Units Issued.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PartnershipUnitsIssuedForAcquisition" xlink:label="bdn_PartnershipUnitsIssuedForAcquisition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PartnershipUnitsIssuedForAcquisition" xlink:to="bdn_PartnershipUnitsIssuedForAcquisition_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PartnershipUnitsIssuedForAcquisition_lbl" xml:lang="en-US">Partnership units issued for acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PartnershipUnitsIssuedForAcquisition_lbl" xml:lang="en-US">Partnership units issued for acquisition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PartnershipUnitsIssuedForAcquisition_lbl" xml:lang="en-US">Partnership units issued for acquisition</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ClassF2010UnitsMember" xlink:label="bdn_ClassF2010UnitsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ClassF2010UnitsMember" xlink:to="bdn_ClassF2010UnitsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ClassF2010UnitsMember_lbl" xml:lang="en-US">Class F (2010) Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ClassF2010UnitsMember_lbl" xml:lang="en-US">Class F (2010) Units [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ClassF2010UnitsMember_lbl" xml:lang="en-US">Class F (2010) Units member.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RedemptionPriceOfPartnershipUnit" xlink:label="bdn_RedemptionPriceOfPartnershipUnit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RedemptionPriceOfPartnershipUnit" xlink:to="bdn_RedemptionPriceOfPartnershipUnit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RedemptionPriceOfPartnershipUnit_lbl" xml:lang="en-US">Redemption price of partnership unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RedemptionPriceOfPartnershipUnit_lbl" xml:lang="en-US">Redemption price of partnership unit.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RedemptionPriceOfPartnershipUnit_lbl" xml:lang="en-US">Redemption price of partnership unit</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="lab_StatementClassOfStockAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementClassOfStockAxis" xml:lang="en-US">Class of Stock [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="lab_ClassOfStockDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ClassOfStockDomain" xml:lang="en-US">Class of Stock [Domain]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SharesAuthorizedForEquityOfferingProgram" xlink:label="bdn_SharesAuthorizedForEquityOfferingProgram" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SharesAuthorizedForEquityOfferingProgram" xlink:to="bdn_SharesAuthorizedForEquityOfferingProgram_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SharesAuthorizedForEquityOfferingProgram_lbl" xml:lang="en-US">Shares Authorized For Equity Offering Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SharesAuthorizedForEquityOfferingProgram_lbl" xml:lang="en-US">Shares authorized for Equity Offering Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SharesAuthorizedForEquityOfferingProgram_lbl" xml:lang="en-US">Shares Authorized For Equity Offering Program.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="us-gaap_CostOfGoodsAndServicesSold" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="lab_CostOfGoodsAndServicesSold" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_CostOfGoodsAndServicesSold" xml:lang="en-US">Cost of Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_CostOfGoodsAndServicesSold" xml:lang="en-US">Property operating expenses, real estate taxes and third party management expenses</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="lab_GrossProfit" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GrossProfit" xml:lang="en-US">Gross Profit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_GrossProfit" xml:lang="en-US">Net operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GrossProfit" xml:lang="en-US">Consolidated net operating income</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:label="us-gaap_OtherExpenseDisclosureNonoperatingAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherExpenseDisclosureNonoperatingAbstract" xlink:to="lab_OtherExpenseDisclosureNonoperatingAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherExpenseDisclosureNonoperatingAbstract" xml:lang="en-US">Other Expense Disclosure, Nonoperating [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherExpenseDisclosureNonoperatingAbstract" xml:lang="en-US">Less:</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:label="us-gaap_OtherIncomeDisclosureNonoperatingAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeDisclosureNonoperatingAbstract" xlink:to="lab_OtherIncomeDisclosureNonoperatingAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_OtherIncomeDisclosureNonoperatingAbstract" xml:lang="en-US">Other Income Disclosure, Nonoperating [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_OtherIncomeDisclosureNonoperatingAbstract" xml:lang="en-US">Plus:</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock" xlink:label="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock" xlink:to="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock_lbl" xml:lang="en-US">Reconciliation of Consolidated Net Operating Income [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock_lbl" xml:lang="en-US">Reconciliation of consolidated net operating income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ReconciliationOfConsolidatedNetOperatingIncomeTextBlock_lbl" xml:lang="en-US">Reconciliation of consolidated net operating income.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAtCost" xlink:label="us-gaap_RealEstateInvestmentPropertyAtCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RealEstateInvestmentPropertyAtCost" xlink:to="lab_RealEstateInvestmentPropertyAtCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RealEstateInvestmentPropertyAtCost" xml:lang="en-US">Real Estate Investment Property, at Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_RealEstateInvestmentPropertyAtCost" xml:lang="en-US">Rental properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RealEstateInvestmentPropertyAtCost" xml:lang="en-US">Rental properties</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredIncomeGainsAndRent" xlink:label="bdn_DeferredIncomeGainsAndRent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredIncomeGainsAndRent" xlink:to="bdn_DeferredIncomeGainsAndRent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredIncomeGainsAndRent_lbl" xml:lang="en-US">Deferred Income Gains And Rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredIncomeGainsAndRent_lbl" xml:lang="en-US">Deferred income, gains and rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredIncomeGainsAndRent_lbl" xml:lang="en-US">Deferred income, gains and rent.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Land" xlink:label="us-gaap_Land" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="lab_Land" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_Land" xml:lang="en-US">Land</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_Land" xml:lang="en-US">Land</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BuildingsAndImprovementsGross" xlink:label="us-gaap_BuildingsAndImprovementsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BuildingsAndImprovementsGross" xlink:to="lab_BuildingsAndImprovementsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Buildings and Improvements, Gross, Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BuildingsAndImprovementsGross" xml:lang="en-US">Building and improvements</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LeaseholdImprovementsGross" xlink:label="us-gaap_LeaseholdImprovementsGross" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseholdImprovementsGross" xlink:to="lab_LeaseholdImprovementsGross" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LeaseholdImprovementsGross" xml:lang="en-US">Leasehold Improvements, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LeaseholdImprovementsGross" xml:lang="en-US">Tenant improvements</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock" xlink:label="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock" xlink:to="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock_lbl" xml:lang="en-US">Schedule of Intangibles Assets and Liabilities Acquired [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock_lbl" xml:lang="en-US">Schedule of Intangibles assets and liabilities acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ScheduleOfIntangiblesAssetsAndLiabilitiesAcquiredTextBlock_lbl" xml:lang="en-US">Schedule of Intangibles assets and liabilities acquired.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock_lbl" xml:lang="en-US">Financial position of unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationTextBlock_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock" xlink:to="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Income Statement [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock_lbl" xml:lang="en-US">Summary of results of operations of unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_EquityMethodInvestmentSummarizedFinancialInformationIncomeStatementTextBlock_lbl" xml:lang="en-US">Equity Method Investment Summarized Financial Information Income Statement.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfUnconsolidatedRealEstateVentures" xlink:label="bdn_NumberOfUnconsolidatedRealEstateVentures" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfUnconsolidatedRealEstateVentures" xlink:to="bdn_NumberOfUnconsolidatedRealEstateVentures_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfUnconsolidatedRealEstateVentures_lbl" xml:lang="en-US">Number Of Unconsolidated Real Estate Ventures</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfUnconsolidatedRealEstateVentures_lbl" xml:lang="en-US">Number of unconsolidated real estate ventures.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfUnconsolidatedRealEstateVentures_lbl" xml:lang="en-US">Number of unconsolidated real estate ventures</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:label="us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionPurchasePriceAllocationAbstract" xlink:to="lab_BusinessAcquisitionPurchasePriceAllocationAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAbstract" xml:lang="en-US">Business Acquisition, Purchase Price Allocation [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionPurchasePriceAllocationAbstract" xml:lang="en-US">Purchase price of allocation</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetRentableSpace" xlink:label="bdn_NetRentableSpace" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetRentableSpace" xlink:to="bdn_NetRentableSpace_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetRentableSpace_lbl" xml:lang="en-US">Net Rentable Space</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NetRentableSpace_lbl" xml:lang="en-US">Net rentable space of property acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_NetRentableSpace_lbl" xml:lang="en-US">Net rentable square feet</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetRentableSpace_lbl" xml:lang="en-US">Net Rentable Space.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount" xlink:label="us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessCombinationAcquiredReceivablesGrossContractualAmount" xlink:to="lab_BusinessCombinationAcquiredReceivablesGrossContractualAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessCombinationAcquiredReceivablesGrossContractualAmount" xml:lang="en-US">Business Combination, Acquired Receivables, Gross Contractual Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessCombinationAcquiredReceivablesGrossContractualAmount" xml:lang="en-US">Recognized tenant and other receivables from acquisition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xml:lang="en-US">Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xml:lang="en-US">Annual amortization of intangible assets and liabilities</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FutureAmortizationExpenseThereafter" xlink:label="bdn_FutureAmortizationExpenseThereafter" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FutureAmortizationExpenseThereafter" xlink:to="bdn_FutureAmortizationExpenseThereafter_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FutureAmortizationExpenseThereafter_lbl" xml:lang="en-US">Future Amortization Expense Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="bdn_FutureAmortizationExpenseThereafter_lbl" xml:lang="en-US">Thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FutureAmortizationExpenseThereafter_lbl" xml:lang="en-US">Future Amortization Expense, Thereafter.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearOne" xlink:label="us-gaap_FutureAmortizationExpenseYearOne" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearOne" xlink:to="lab_FutureAmortizationExpenseYearOne" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearOne" xml:lang="en-US">Future Amortization Expense, Year One</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FutureAmortizationExpenseYearOne" xml:lang="en-US">2011 (six months remaining)</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearTwo" xlink:label="us-gaap_FutureAmortizationExpenseYearTwo" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearTwo" xlink:to="lab_FutureAmortizationExpenseYearTwo" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FutureAmortizationExpenseYearTwo" xml:lang="en-US">2012</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearTwo" xml:lang="en-US">Future Amortization Expense, Year Two</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearThree" xlink:label="us-gaap_FutureAmortizationExpenseYearThree" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearThree" xlink:to="lab_FutureAmortizationExpenseYearThree" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FutureAmortizationExpenseYearThree" xml:lang="en-US">2013</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearThree" xml:lang="en-US">Future Amortization Expense, Year Three</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFour" xlink:label="us-gaap_FutureAmortizationExpenseYearFour" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFour" xlink:to="lab_FutureAmortizationExpenseYearFour" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FutureAmortizationExpenseYearFour" xml:lang="en-US">2014</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearFour" xml:lang="en-US">Future Amortization Expense, Year Four</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FutureAmortizationExpenseYearFive" xlink:label="us-gaap_FutureAmortizationExpenseYearFive" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FutureAmortizationExpenseYearFive" xlink:to="lab_FutureAmortizationExpenseYearFive" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_FutureAmortizationExpenseYearFive" xml:lang="en-US">2015</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FutureAmortizationExpenseYearFive" xml:lang="en-US">Future Amortization Expense, Year Five</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xlink:to="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpense" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xml:lang="en-US">Finite-Lived Intangible Assets, Future Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="lab_FiniteLivedIntangibleAssetsFutureAmortizationExpense" xml:lang="en-US">Total</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract" xlink:label="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract" xlink:to="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Additional Investment In Unconsolidated Ventures (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Additional Investment In Unconsolidated Ventures (Textuals) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AdditionalInvestmentInUnconsolidatedVenturesTextualsAbstract_lbl" xml:lang="en-US">Additional Investment In Unconsolidated Ventures.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ScheduleOfRentalPropertiesTextBlock" xlink:label="bdn_ScheduleOfRentalPropertiesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ScheduleOfRentalPropertiesTextBlock" xlink:to="bdn_ScheduleOfRentalPropertiesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ScheduleOfRentalPropertiesTextBlock_lbl" xml:lang="en-US">Schedule Of Rental Properties [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ScheduleOfRentalPropertiesTextBlock_lbl" xml:lang="en-US">Gross carrying value of rental properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ScheduleOfRentalPropertiesTextBlock_lbl" xml:lang="en-US">Schedule of Rental Properties.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SupplementalProFormaOperatingDataTextBlock" xlink:label="bdn_SupplementalProFormaOperatingDataTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SupplementalProFormaOperatingDataTextBlock" xlink:to="bdn_SupplementalProFormaOperatingDataTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SupplementalProFormaOperatingDataTextBlock_lbl" xml:lang="en-US">Supplemental Pro Forma Operating Data [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SupplementalProFormaOperatingDataTextBlock_lbl" xml:lang="en-US">Supplemental pro forma operating data</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SupplementalProFormaOperatingDataTextBlock_lbl" xml:lang="en-US">Supplemental Pro Forma Operating Data.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock" xlink:label="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock" xlink:to="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock_lbl" xml:lang="en-US">Schedule of Financial Instruments With Fair Values Different From Their Carrying Amount [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock_lbl" xml:lang="en-US">Schedule of financial instruments with fair values different from their carrying amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ScheduleOfFinancialInstrumentsWithFairValuesDifferentFromTheirCarryingAmountTextBlock_lbl" xml:lang="en-US">Schedule of financial instruments with fair values different from their carrying amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock" xlink:label="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock" xlink:to="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock_lbl" xml:lang="en-US">Operating Leases, Future Minimum Payments Due [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OperatingLeasesFutureMinimumPaymentsDueTextBlock_lbl" xml:lang="en-US">Operating Leases Future Minimum Payments Due .</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PrepaidRealEstateTaxesFromAcquisition" xlink:label="bdn_PrepaidRealEstateTaxesFromAcquisition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PrepaidRealEstateTaxesFromAcquisition" xlink:to="bdn_PrepaidRealEstateTaxesFromAcquisition_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PrepaidRealEstateTaxesFromAcquisition_lbl" xml:lang="en-US">Prepaid Real Estate Taxes From Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PrepaidRealEstateTaxesFromAcquisition_lbl" xml:lang="en-US">Prepaid real estate taxes from acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PrepaidRealEstateTaxesFromAcquisition_lbl" xml:lang="en-US">Prepaid Real Estate Taxes From Acquisition.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LeasePercentageOfAcquiredProperty" xlink:label="bdn_LeasePercentageOfAcquiredProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LeasePercentageOfAcquiredProperty" xlink:to="bdn_LeasePercentageOfAcquiredProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LeasePercentageOfAcquiredProperty_lbl" xml:lang="en-US">Lease percentage of acquired property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LeasePercentageOfAcquiredProperty_lbl" xml:lang="en-US">Lease percentage of acquired property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LeasePercentageOfAcquiredProperty_lbl" xml:lang="en-US">Lease percentage of acquired property</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityCurrentBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityCurrentBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_LineOfCreditFacilityCurrentBorrowingCapacity" xml:lang="en-US">Advance under credit facility</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityCurrentBorrowingCapacity" xml:lang="en-US">Current borrowing capacity under current line of credit</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="us-gaap_DebtInstrumentCarryingAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_DebtInstrumentCarryingAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentCarryingAmount" xml:lang="en-US">Long-term Debt, Gross</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_LineOfCreditFacilityMaximumBorrowingCapacity" xml:lang="en-US">Maximum amount by which the Company may increase its credit facility</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DebtInstrumentMaturityDates" xlink:label="bdn_DebtInstrumentMaturityDates" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DebtInstrumentMaturityDates" xlink:to="bdn_DebtInstrumentMaturityDates_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DebtInstrumentMaturityDates_lbl" xml:lang="en-US">Debt Instrument Maturity Dates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DebtInstrumentMaturityDates_lbl" xml:lang="en-US">Debt Instrument, Maturity Date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DebtInstrumentMaturityDates_lbl" xml:lang="en-US">Debt Instrument, Maturity Date</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief" xlink:label="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief" xlink:to="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_lbl" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_lbl" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_lbl" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock" xlink:label="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock" xlink:to="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock_lbl" xml:lang="en-US">Business Acquisition, Purchase Price Allocation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BusinessAcquisitionPurchasePriceAllocationTextBlock_lbl" xml:lang="en-US">Business Acquisition Purchase Price Allocation Text Block.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_StraightLineGroundRentExpense" xlink:label="bdn_StraightLineGroundRentExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_StraightLineGroundRentExpense" xlink:to="bdn_StraightLineGroundRentExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_StraightLineGroundRentExpense_lbl" xml:lang="en-US">Straight Line Ground Rent Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_StraightLineGroundRentExpense_lbl" xml:lang="en-US">Straight-line ground rent expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_StraightLineGroundRentExpense_lbl" xml:lang="en-US">Straight Line Ground Rent Expense.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts" xlink:label="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts" xlink:to="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions From New Market Tax Credit Transaction Net Of Deferred Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions from new market tax credit transaction, net of deferred costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ContributionsFromNewMarketTaxCreditTransactionNetOfDeferredCosts_lbl" xml:lang="en-US">Contributions from new market tax credit transaction net of deferred costs.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents" xlink:label="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents" xlink:to="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_lbl" xml:lang="en-US">Increase Decrease In Deferred Income Gains And Rents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_lbl" xml:lang="en-US">Deferred income, gains and rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_IncreaseDecreaseInDeferredIncomeGainsAndRents_lbl" xml:lang="en-US">Increase decrease in deferred income gains and rents.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LoanProvidedToRealEstateVenturePartner" xlink:label="bdn_LoanProvidedToRealEstateVenturePartner" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LoanProvidedToRealEstateVenturePartner" xlink:to="bdn_LoanProvidedToRealEstateVenturePartner_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LoanProvidedToRealEstateVenturePartner_lbl" xml:lang="en-US">Loan Provided To Real Estate Venture Partner</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_LoanProvidedToRealEstateVenturePartner_lbl" xml:lang="en-US">Loan provided to an unconsolidated Real Estate Venture partner</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LoanProvidedToRealEstateVenturePartner_lbl" xml:lang="en-US">Loan provided to an unconsolidated Real Estate Venture partner.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="us-gaap_DepreciationDepletionAndAmortization" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DepreciationDepletionAndAmortization" xlink:to="lab_DepreciationDepletionAndAmortization" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DepreciationDepletionAndAmortization" xml:lang="en-US">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:label="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForProceedsFromHedgeFinancingActivities" xlink:to="lab_PaymentsForProceedsFromHedgeFinancingActivities" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PaymentsForProceedsFromHedgeFinancingActivities" xml:lang="en-US">Payments for (Proceeds from) Hedge, Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="lab_PaymentsForProceedsFromHedgeFinancingActivities" xml:lang="en-US">Net settlement of hedge transactions</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:label="us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:to="lab_GainsLossesOnSalesOfInvestmentRealEstate" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainsLossesOnSalesOfInvestmentRealEstate" xml:lang="en-US">Gains (Losses) on Sales of Investment Real Estate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GainsLossesOnSalesOfInvestmentRealEstate" xml:lang="en-US">Net gain on sale of interests in real estate</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockMember" xlink:label="us-gaap_PreferredStockMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockMember" xlink:to="lab_PreferredStockMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PreferredStockMember" xml:lang="en-US">Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PreferredStockMember" xml:lang="en-US">Preferred Stock</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock" xlink:label="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock" xlink:to="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications and Out of Period Adjustment [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications and Out of Period Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ReclassificationsAndOutOfPeriodAdjustmentPolicyTextBlock_lbl" xml:lang="en-US">Reclassifications and out of period adjustment.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RecentAccountingPronouncementPolicyTextBlock" xlink:label="bdn_RecentAccountingPronouncementPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RecentAccountingPronouncementPolicyTextBlock" xlink:to="bdn_RecentAccountingPronouncementPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RecentAccountingPronouncementPolicyTextBlock_lbl" xml:lang="en-US">Recent Accounting Pronouncement [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RecentAccountingPronouncementPolicyTextBlock_lbl" xml:lang="en-US">Recent Accounting Pronouncement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RecentAccountingPronouncementPolicyTextBlock_lbl" xml:lang="en-US">Recent accounting pronouncement.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PercentageOfInterestAcquiredInPartnerships" xlink:label="bdn_PercentageOfInterestAcquiredInPartnerships" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PercentageOfInterestAcquiredInPartnerships" xlink:to="bdn_PercentageOfInterestAcquiredInPartnerships_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PercentageOfInterestAcquiredInPartnerships_lbl" xml:lang="en-US">Percentage Of Interest Acquired In Partnerships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PercentageOfInterestAcquiredInPartnerships_lbl" xml:lang="en-US">Percentage of interest acquired in partnerships.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PercentageOfInterestAcquiredInPartnerships_lbl" xml:lang="en-US">Percentage of interest acquired in partnerships</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfOfficeBuildingsOwned" xlink:label="bdn_NumberOfOfficeBuildingsOwned" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfOfficeBuildingsOwned" xlink:to="bdn_NumberOfOfficeBuildingsOwned_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfOfficeBuildingsOwned_lbl" xml:lang="en-US">Number Of Office Buildings Owned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfOfficeBuildingsOwned_lbl" xml:lang="en-US">Number of office buildings owned.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfOfficeBuildingsOwned_lbl" xml:lang="en-US">Number of office buildings owned</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner" xlink:label="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner" xlink:to="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner_lbl" xml:lang="en-US">Percentage Of Interest Acquired In Partnerships By Other Partner</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner_lbl" xml:lang="en-US">Percentage of interest acquired in partnerships by other partner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PercentageOfInterestAcquiredInPartnershipsByOtherPartner_lbl" xml:lang="en-US">Percentage of interest acquired in partnerships by other partner</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_InitialContributionForAcquisitionOfPartnerships" xlink:label="bdn_InitialContributionForAcquisitionOfPartnerships" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_InitialContributionForAcquisitionOfPartnerships" xlink:to="bdn_InitialContributionForAcquisitionOfPartnerships_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_InitialContributionForAcquisitionOfPartnerships_lbl" xml:lang="en-US">Initial Contribution For Acquisition Of Partnerships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_InitialContributionForAcquisitionOfPartnerships_lbl" xml:lang="en-US">Initial contribution for acquisition of partnerships.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_InitialContributionForAcquisitionOfPartnerships_lbl" xml:lang="en-US">Initial contribution for acquisition of partnerships</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RemainingPortionOfContribution" xlink:label="bdn_RemainingPortionOfContribution" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RemainingPortionOfContribution" xlink:to="bdn_RemainingPortionOfContribution_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RemainingPortionOfContribution_lbl" xml:lang="en-US">Remaining Portion Of Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RemainingPortionOfContribution_lbl" xml:lang="en-US">Remaining portion of contribution.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RemainingPortionOfContribution_lbl" xml:lang="en-US">Remaining portion of contribution</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAmountOfHedgedItem" xlink:label="us-gaap_DerivativeAmountOfHedgedItem" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DerivativeAmountOfHedgedItem" xlink:to="lab_DerivativeAmountOfHedgedItem" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DerivativeAmountOfHedgedItem" xml:lang="en-US">Derivative, Amount of Hedged Item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DerivativeAmountOfHedgedItem" xml:lang="en-US">Anticipation of the offering of unsecured guaranteed notes due</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DerivativeTreasuryLockAgreements" xlink:label="bdn_DerivativeTreasuryLockAgreements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DerivativeTreasuryLockAgreements" xlink:to="bdn_DerivativeTreasuryLockAgreements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DerivativeTreasuryLockAgreements_lbl" xml:lang="en-US">Derivative Treasury Lock Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DerivativeTreasuryLockAgreements_lbl" xml:lang="en-US">Derivative treasury lock agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DerivativeTreasuryLockAgreements_lbl" xml:lang="en-US">Treasury lock agreements</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements" xlink:label="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements" xlink:to="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements_lbl" xml:lang="en-US">Derivative Expiration Period Of Treasury Lock Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements_lbl" xml:lang="en-US">Expiration period of treasury lock agreements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DerivativeExpirationPeriodOfTreasuryLockAgreements_lbl" xml:lang="en-US">Expiration period of treasury lock agreements</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents" xlink:label="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents" xlink:to="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents_lbl" xml:lang="en-US">Tenants Accounted for Ten Percent or More of Companys Rents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents_lbl" xml:lang="en-US">No. of tenants accounted for 10% or more of the Company's rents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TenantsAccountedForTenPercentOrMoreOfCompanysRents_lbl" xml:lang="en-US">Tenants accounted for ten percent or more of companys rents.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TreasuryRatesMinimum" xlink:label="bdn_TreasuryRatesMinimum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TreasuryRatesMinimum" xlink:to="bdn_TreasuryRatesMinimum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TreasuryRatesMinimum_lbl" xml:lang="en-US">Treasury Rates Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TreasuryRatesMinimum_lbl" xml:lang="en-US">Treasury rates, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TreasuryRatesMinimum_lbl" xml:lang="en-US">Treasury rates minimum.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TreasuryRatesAverage" xlink:label="bdn_TreasuryRatesAverage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TreasuryRatesAverage" xlink:to="bdn_TreasuryRatesAverage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TreasuryRatesAverage_lbl" xml:lang="en-US">Treasury Rates Average</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TreasuryRatesAverage_lbl" xml:lang="en-US">Treasury rates average.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TreasuryRatesAverage_lbl" xml:lang="en-US">Treasury rates, Average</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_TreasuryRatesMaximum" xlink:label="bdn_TreasuryRatesMaximum" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_TreasuryRatesMaximum" xlink:to="bdn_TreasuryRatesMaximum_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_TreasuryRatesMaximum_lbl" xml:lang="en-US">Treasury Rates Maximum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_TreasuryRatesMaximum_lbl" xml:lang="en-US">Treasury rates maximum.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_TreasuryRatesMaximum_lbl" xml:lang="en-US">Treasury rates, Maximum</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ExpenseOfDebtOffering" xlink:label="bdn_ExpenseOfDebtOffering" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ExpenseOfDebtOffering" xlink:to="bdn_ExpenseOfDebtOffering_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ExpenseOfDebtOffering_lbl" xml:lang="en-US">Expense Of Debt Offering</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ExpenseOfDebtOffering_lbl" xml:lang="en-US">Total expense of debt offering</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ExpenseOfDebtOffering_lbl" xml:lang="en-US">Expense of debt offering.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OverstatementOfRevenueDueToUnderBilling" xlink:label="bdn_OverstatementOfRevenueDueToUnderBilling" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OverstatementOfRevenueDueToUnderBilling" xlink:to="bdn_OverstatementOfRevenueDueToUnderBilling_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OverstatementOfRevenueDueToUnderBilling_lbl" xml:lang="en-US">Overstatement Of Revenue Due To Under Billing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OverstatementOfRevenueDueToUnderBilling_lbl" xml:lang="en-US">Overstatement of revenue due to under billing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OverstatementOfRevenueDueToUnderBilling_lbl" xml:lang="en-US">Overstatement of revenue due to under billing.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoOfSharesSoldByCompany" xlink:label="bdn_NoOfSharesSoldByCompany" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoOfSharesSoldByCompany" xlink:to="bdn_NoOfSharesSoldByCompany_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoOfSharesSoldByCompany_lbl" xml:lang="en-US">No Of Shares Sold By Company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoOfSharesSoldByCompany_lbl" xml:lang="en-US">No of shares sold by the company</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoOfSharesSoldByCompany_lbl" xml:lang="en-US">No of shares sold by the company.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RemainingSharesAvailableForSales" xlink:label="bdn_RemainingSharesAvailableForSales" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RemainingSharesAvailableForSales" xlink:to="bdn_RemainingSharesAvailableForSales_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RemainingSharesAvailableForSales_lbl" xml:lang="en-US">Remaining Shares Available For Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RemainingSharesAvailableForSales_lbl" xml:lang="en-US">Remaining shares available for sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RemainingSharesAvailableForSales_lbl" xml:lang="en-US">Remaining shares available for sales.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BalancePortionOfAcquisitionRelatedLiability" xlink:label="bdn_BalancePortionOfAcquisitionRelatedLiability" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BalancePortionOfAcquisitionRelatedLiability" xlink:to="bdn_BalancePortionOfAcquisitionRelatedLiability_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BalancePortionOfAcquisitionRelatedLiability_lbl" xml:lang="en-US">Balance Portion Of Acquisition Related Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BalancePortionOfAcquisitionRelatedLiability_lbl" xml:lang="en-US">Balance portion of acquisition related liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BalancePortionOfAcquisitionRelatedLiability_lbl" xml:lang="en-US">Balance portion of acquisition related liability.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PriorPeriodReclassificationAdjustment" xlink:label="bdn_PriorPeriodReclassificationAdjustment" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PriorPeriodReclassificationAdjustment" xlink:to="bdn_PriorPeriodReclassificationAdjustment_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PriorPeriodReclassificationAdjustment_lbl" xml:lang="en-US">Prior Period Reclassification Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PriorPeriodReclassificationAdjustment_lbl" xml:lang="en-US">Additional income related to electricity charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PriorPeriodReclassificationAdjustment_lbl" xml:lang="en-US">Prior period reclassification adjustment.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_UnderstatementOfRevenue" xlink:label="bdn_UnderstatementOfRevenue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_UnderstatementOfRevenue" xlink:to="bdn_UnderstatementOfRevenue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_UnderstatementOfRevenue_lbl" xml:lang="en-US">Understatement of Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_UnderstatementOfRevenue_lbl" xml:lang="en-US">Understatement of revenue.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_UnderstatementOfRevenue_lbl" xml:lang="en-US">Understatement of Revenue</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights" xlink:to="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights_lbl" xml:lang="en-US">Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Options And Stock Appreciation Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights_lbl" xml:lang="en-US">Common shares available for options and stock appreciation rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForOptionsAndStockAppreciationRights_lbl" xml:lang="en-US">Share based compensation arrangement by share based payment award number of shares available for options and stock appreciation rights.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate" xlink:label="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate" xlink:to="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate_lbl" xml:lang="en-US">Realized Gains Losses On Sales Of Investment Real Estate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate_lbl" xml:lang="en-US">Gain on sale of ownership interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RealizedGainsLossesOnSalesOfInvestmentRealEstate_lbl" xml:lang="en-US">Realized Gains Losses on Sales of Investment Real Estate.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RemainingOwnershipInterestInRealEstateProperties" xlink:label="bdn_RemainingOwnershipInterestInRealEstateProperties" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RemainingOwnershipInterestInRealEstateProperties" xlink:to="bdn_RemainingOwnershipInterestInRealEstateProperties_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RemainingOwnershipInterestInRealEstateProperties_lbl" xml:lang="en-US">Remaining Ownership Interest In Real Estate Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_RemainingOwnershipInterestInRealEstateProperties_lbl" xml:lang="en-US">Remaining Ownership Interest in Real Estate Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RemainingOwnershipInterestInRealEstateProperties_lbl" xml:lang="en-US">Remaining Ownership Interest in Real Estate Properties.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfRealEstateProperties" xlink:label="bdn_NumberOfRealEstateProperties" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfRealEstateProperties" xlink:to="bdn_NumberOfRealEstateProperties_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfRealEstateProperties_lbl" xml:lang="en-US">Number Of Real Estate Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfRealEstateProperties_lbl" xml:lang="en-US">Number of properties with ownership interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfRealEstateProperties_lbl" xml:lang="en-US">Number of Real Estate Properties.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest" xlink:label="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest" xlink:to="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest_lbl" xml:lang="en-US">Number Of Partnership In Which The Company Acquired Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest_lbl" xml:lang="en-US">Interest acquired in partnerships, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfPartnershipInWhichCompanyAcquiredInterest_lbl" xml:lang="en-US">Number of Partnership in which the Company acquired interest.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_CommittedPreferredEquity" xlink:label="bdn_CommittedPreferredEquity" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_CommittedPreferredEquity" xlink:to="bdn_CommittedPreferredEquity_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_CommittedPreferredEquity_lbl" xml:lang="en-US">Committed Preferred Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_CommittedPreferredEquity_lbl" xml:lang="en-US">Contribution for acquisition of partnerships</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_CommittedPreferredEquity_lbl" xml:lang="en-US">Committed Preferred Equity.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_FairValueTreasuryLockAgreements" xlink:label="bdn_FairValueTreasuryLockAgreements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_FairValueTreasuryLockAgreements" xlink:to="bdn_FairValueTreasuryLockAgreements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_FairValueTreasuryLockAgreements_lbl" xml:lang="en-US">Fair Value Treasury Lock Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_FairValueTreasuryLockAgreements_lbl" xml:lang="en-US">Fair Value Treasury Lock Agreements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_FairValueTreasuryLockAgreements_lbl" xml:lang="en-US">Fair value treasury lock agreements.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_VoluntaryTerminationOfEmploymentTerms" xlink:label="bdn_VoluntaryTerminationOfEmploymentTerms" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_VoluntaryTerminationOfEmploymentTerms" xlink:to="bdn_VoluntaryTerminationOfEmploymentTerms_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_VoluntaryTerminationOfEmploymentTerms_lbl" xml:lang="en-US">Voluntary Termination Of Employment Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_VoluntaryTerminationOfEmploymentTerms_lbl" xml:lang="en-US">Voluntary termination of employment Terms</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_VoluntaryTerminationOfEmploymentTerms_lbl" xml:lang="en-US">Voluntary termination of employment terms.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Liabilities Incurred</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US">Assumed security deposits obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xml:lang="en-US">Liability related to acquisition of TRC</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_AccretionOfLiabilityRelatedToAcquisition" xlink:label="bdn_AccretionOfLiabilityRelatedToAcquisition" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_AccretionOfLiabilityRelatedToAcquisition" xlink:to="bdn_AccretionOfLiabilityRelatedToAcquisition_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_AccretionOfLiabilityRelatedToAcquisition_lbl" xml:lang="en-US">Accretion Of Liability Related To Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_AccretionOfLiabilityRelatedToAcquisition_lbl" xml:lang="en-US">Accretion Of Liability Related To Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_AccretionOfLiabilityRelatedToAcquisition_lbl" xml:lang="en-US">Accretion Of Liability Related To Acquisition</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationDating" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Dating</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="us-gaap_InvestmentPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentPolicyTextBlock" xlink:to="lab_InvestmentPolicyTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_InvestmentPolicyTextBlock" xml:lang="en-US">Investment [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_InvestmentPolicyTextBlock" xml:lang="en-US">Investments in Unconsolidated Real Estate Ventures</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareChoicePlanIssuanceValue" xlink:label="bdn_ShareChoicePlanIssuanceValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareChoicePlanIssuanceValue" xlink:to="bdn_ShareChoicePlanIssuanceValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareChoicePlanIssuanceValue_lbl" xml:lang="en-US">Share Choice Plan Issuance Value</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="bdn_ShareChoicePlanIssuanceValue_lbl" xml:lang="en-US">Share Choice Plan Issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareChoicePlanIssuanceValue_lbl" xml:lang="en-US">Share Choice Plan Issuance Value.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareChoicePlanIssuanceShares" xlink:label="bdn_ShareChoicePlanIssuanceShares" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareChoicePlanIssuanceShares" xlink:to="bdn_ShareChoicePlanIssuanceShares_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareChoicePlanIssuanceShares_lbl" xml:lang="en-US">Share Choice Plan Issuance Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareChoicePlanIssuanceShares_lbl" xml:lang="en-US">Share Choice Plan Issuance, shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareChoicePlanIssuanceShares_lbl" xml:lang="en-US">Share choice plan issuance shares.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted" xlink:to="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_lbl" xml:lang="en-US">Net Loss Income From Continuing Operations Attributable To Non Controlling Interests Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_lbl" xml:lang="en-US">Net loss from continuing operations attributable to non-controlling interests, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetLossIncomeFromContinuingOperationsAttributableToNonControllingInterestsDiluted_lbl" xml:lang="en-US">Net (loss) income from continuing operations attributable to non-controlling interests Diluted.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SegmentInformationDetailsAbstract" xlink:label="bdn_SegmentInformationDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SegmentInformationDetailsAbstract" xlink:to="bdn_SegmentInformationDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SegmentInformationDetailsAbstract_lbl" xml:lang="en-US">Segment Information (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SegmentInformationDetailsAbstract_lbl" xml:lang="en-US">Segment Information.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SegmentsInformationAbstract" xlink:label="bdn_SegmentsInformationAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SegmentsInformationAbstract" xlink:to="bdn_SegmentsInformationAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SegmentsInformationAbstract_lbl" xml:lang="en-US">Segments Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SegmentsInformationAbstract_lbl" xml:lang="en-US">Segment Information</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SegmentsInformationAbstract_lbl" xml:lang="en-US">Segment Information.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BusinessAcquisitionConsiderationReceived" xlink:label="bdn_BusinessAcquisitionConsiderationReceived" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BusinessAcquisitionConsiderationReceived" xlink:to="bdn_BusinessAcquisitionConsiderationReceived_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BusinessAcquisitionConsiderationReceived_lbl" xml:lang="en-US">Business Acquisition Consideration Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BusinessAcquisitionConsiderationReceived_lbl" xml:lang="en-US">Business Acquisition, consideration received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BusinessAcquisitionConsiderationReceived_lbl" xml:lang="en-US">Business Acquisition Consideration Received.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued" xlink:label="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued" xlink:to="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued_lbl" xml:lang="en-US">Business Acquisition Equity Interest Issued Or Issuable Number Of Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued_lbl" xml:lang="en-US">Business Acquisition, Equity Interest Issued or Issuable, Number of Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued_lbl" xml:lang="en-US">Business Acquisition Equity Interest Issued Or Issuable Number Of Units Issued.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount" xlink:label="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount" xlink:to="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount_lbl" xml:lang="en-US">Business Acquisition Cost Of Acquired Entity Cash Paid Net Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount_lbl" xml:lang="en-US">Net amount of cash paid after assumed liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BusinessAcquisitionCostOfAcquiredEntityCashPaidNetAmount_lbl" xml:lang="en-US">Business Acquisition Cost Of Acquired Entity Cash Paid Net Amount.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ParcelOfLandInPaMember" xlink:label="bdn_ParcelOfLandInPaMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ParcelOfLandInPaMember" xlink:to="bdn_ParcelOfLandInPaMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ParcelOfLandInPaMember_lbl" xml:lang="en-US">Parcel Of Land In Pa [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ParcelOfLandInPaMember_lbl" xml:lang="en-US">Parcel of land in PA [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ParcelOfLandInPaMember_lbl" xml:lang="en-US">Parcel Of Land In PA.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:label="us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityInterestIssuedOrIssuableByTypeAxis" xlink:to="lab_EquityInterestIssuedOrIssuableByTypeAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityInterestIssuedOrIssuableByTypeAxis" xml:lang="en-US">Equity Interest Issued or Issuable by Type [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:label="us-gaap_EquityInterestIssuedOrIssuableTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityInterestIssuedOrIssuableTypeDomain" xlink:to="lab_EquityInterestIssuedOrIssuableTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityInterestIssuedOrIssuableTypeDomain" xml:lang="en-US">Equity Interest Issued or Issuable, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PartnershipInterestMember" xlink:label="us-gaap_PartnershipInterestMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnershipInterestMember" xlink:to="lab_PartnershipInterestMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_PartnershipInterestMember" xml:lang="en-US">Partnership Interest [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_PartnershipInterestMember" xml:lang="en-US">Partnership Interest [Member]</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SaleConsiderationOfSoldProperty" xlink:label="bdn_SaleConsiderationOfSoldProperty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SaleConsiderationOfSoldProperty" xlink:to="bdn_SaleConsiderationOfSoldProperty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SaleConsiderationOfSoldProperty_lbl" xml:lang="en-US">Sale Consideration Of Sold Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SaleConsiderationOfSoldProperty_lbl" xml:lang="en-US">Sales price of properties sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SaleConsiderationOfSoldProperty_lbl" xml:lang="en-US">Sale Consideration Of Sold Property.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetRentableSpaceSold" xlink:label="bdn_NetRentableSpaceSold" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetRentableSpaceSold" xlink:to="bdn_NetRentableSpaceSold_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetRentableSpaceSold_lbl" xml:lang="en-US">Net Rentable Space Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NetRentableSpaceSold_lbl" xml:lang="en-US">Net rentable square feet of properties sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetRentableSpaceSold_lbl" xml:lang="en-US">Net Rentable Space Sold.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:label="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xlink:to="lab_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Transaction Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts" xml:lang="en-US">Acquisition related costs</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription" xlink:label="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription" xlink:to="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription_lbl" xml:lang="en-US">Business Acquisitions Equity Interest Issued Or Issuable Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription_lbl" xml:lang="en-US">Business Acquisition, Equity Interest Issued or Issuable, Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_BusinessAcquisitionsEquityInterestIssuedOrIssuableDescription_lbl" xml:lang="en-US">Business Acquisitions Equity Interest Issued Or Issuable Description.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ConsolidatedDebtObligationsTextBlock" xlink:label="bdn_ConsolidatedDebtObligationsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ConsolidatedDebtObligationsTextBlock" xlink:to="bdn_ConsolidatedDebtObligationsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ConsolidatedDebtObligationsTextBlock_lbl" xml:lang="en-US">Consolidated Debt Obligations Text Block</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ConsolidatedDebtObligationsTextBlock_lbl" xml:lang="en-US">Consolidated debt obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ConsolidatedDebtObligationsTextBlock_lbl" xml:lang="en-US">Consolidated debt obligations relate to mortgage Loans, line of credit facility and unsecured notes.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterestDisclosureTextBlock" xlink:label="us-gaap_MinorityInterestDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinorityInterestDisclosureTextBlock" xlink:to="lab_MinorityInterestDisclosureTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_MinorityInterestDisclosureTextBlock" xml:lang="en-US">Noncontrolling Interest Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_MinorityInterestDisclosureTextBlock" xml:lang="en-US">NON-CONTROLLING INTERESTS IN THE PARENT COMPANY</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:label="us-gaap_ProceedsFromUnsecuredNotesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:to="lab_ProceedsFromUnsecuredNotesPayable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromUnsecuredNotesPayable" xml:lang="en-US">Proceeds from Unsecured Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromUnsecuredNotesPayable" xml:lang="en-US">Proceeds from unsecured notes</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromStockOptionsExercised" xlink:to="lab_ProceedsFromStockOptionsExercised" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ProceedsFromStockOptionsExercised" xml:lang="en-US">Proceeds from Stock Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ProceedsFromStockOptionsExercised" xml:lang="en-US">Exercise of stock options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:to="lab_StockIssuedDuringPeriodValueStockOptionsExercised" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueStockOptionsExercised" xml:lang="en-US">Stock Issued During Period, Value, Stock Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueStockOptionsExercised" xml:lang="en-US">Exercise of Stock Options</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Stock Issued During Period, Shares, Stock Options Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesStockOptionsExercised" xml:lang="en-US">Exercise of Stock Options, shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:label="us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueConversionOfUnits" xlink:to="lab_StockIssuedDuringPeriodValueConversionOfUnits" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodValueConversionOfUnits" xml:lang="en-US">Stock Issued During Period, Value, Conversion of Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodValueConversionOfUnits" xml:lang="en-US">Conversion of LP Units to Common Shares</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:label="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits" xlink:to="lab_StockIssuedDuringPeriodSharesConversionOfUnits" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StockIssuedDuringPeriodSharesConversionOfUnits" xml:lang="en-US">Stock Issued During Period, Shares, Conversion of Units</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_StockIssuedDuringPeriodSharesConversionOfUnits" xml:lang="en-US">Conversion of LP Units to Common Shares, shares</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NoteEightMember" xlink:label="bdn_NoteEightMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NoteEightMember" xlink:to="bdn_NoteEightMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NoteEightMember_lbl" xml:lang="en-US">Note Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NoteEightMember_lbl" xml:lang="en-US">$325.0M 4.950% Guaranteed Notes due 2018 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NoteEightMember_lbl" xml:lang="en-US">Note Eight Member.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EarlyRepaymentOfSeniorDebt" xlink:label="us-gaap_EarlyRepaymentOfSeniorDebt" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarlyRepaymentOfSeniorDebt" xlink:to="lab_EarlyRepaymentOfSeniorDebt" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EarlyRepaymentOfSeniorDebt" xml:lang="en-US">Early Repayment of Senior Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EarlyRepaymentOfSeniorDebt" xml:lang="en-US">Repurchase Amount</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_PropertyOccupiedAsOfDateOfSale" xlink:label="bdn_PropertyOccupiedAsOfDateOfSale" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_PropertyOccupiedAsOfDateOfSale" xlink:to="bdn_PropertyOccupiedAsOfDateOfSale_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_PropertyOccupiedAsOfDateOfSale_lbl" xml:lang="en-US">Property Occupied As Of Date Of Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_PropertyOccupiedAsOfDateOfSale_lbl" xml:lang="en-US">Property occupied as of date of sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_PropertyOccupiedAsOfDateOfSale_lbl" xml:lang="en-US">Property occupied as of date of sale.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xlink:to="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriod" xml:lang="en-US">Exercised, shares</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share Based Compensation By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Exercised, Weighted Average Exercise Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ShareBasedCompensationByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Share based compensation by share based payment award options excercises in period weighted average exercise price.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NumberOfStoreyOfOfficeTowerAcquired" xlink:label="bdn_NumberOfStoreyOfOfficeTowerAcquired" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NumberOfStoreyOfOfficeTowerAcquired" xlink:to="bdn_NumberOfStoreyOfOfficeTowerAcquired_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NumberOfStoreyOfOfficeTowerAcquired_lbl" xml:lang="en-US">Number Of Storey Of Office Tower Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NumberOfStoreyOfOfficeTowerAcquired_lbl" xml:lang="en-US">Number of storey of office tower acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfStoreyOfOfficeTowerAcquired_lbl" xml:lang="en-US">Number of storey of office tower acquired.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" xlink:label="us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" xlink:to="lab_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" xml:lang="en-US">Quantifying Misstatement in Current Year Financial Statements, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" xml:lang="en-US">Depreciation and amortization expense relating to intangibles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_QuantifyingMisstatementInCurrentYearFinancialStatementsAmount" xml:lang="en-US">Prior period depreciation and Amortization adjustment</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:to="lab_EquityMethodInvestmentRealizedGainLossOnDisposal" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentRealizedGainLossOnDisposal" xml:lang="en-US">Equity Method Investment, Realized Gain (Loss) on Disposal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentRealizedGainLossOnDisposal" xml:lang="en-US">Income from Real estate venture</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock" xlink:to="lab_ScheduleOfExtinguishmentOfDebtTextBlock" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ScheduleOfExtinguishmentOfDebtTextBlock" xml:lang="en-US">Schedule of principal payments of debt obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfExtinguishmentOfDebtTextBlock" xml:lang="en-US">Schedule of Extinguishment of Debt [Text Block]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtinguishmentOfDebtDisclosuresAbstract" xlink:label="us-gaap_ExtinguishmentOfDebtDisclosuresAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtDisclosuresAbstract" xlink:to="lab_ExtinguishmentOfDebtDisclosuresAbstract" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtinguishmentOfDebtDisclosuresAbstract" xml:lang="en-US">Extinguishment of Debt Disclosures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ExtinguishmentOfDebtDisclosuresAbstract" xml:lang="en-US">Schedule of principal payments of debt obligations</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount" xlink:label="us-gaap_ExtinguishmentOfDebtAmount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtAmount" xlink:to="lab_ExtinguishmentOfDebtAmount" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtinguishmentOfDebtAmount" xml:lang="en-US">Extinguishment of Debt, Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="lab_ExtinguishmentOfDebtAmount" xml:lang="en-US">Repurchased outstanding unsecured notes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_ExtinguishmentOfDebtAmount" xml:lang="en-US">Principal</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" xlink:to="lab_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" xml:lang="en-US">Gains (Losses) on Extinguishment of Debt, before Write off of Deferred Debt Issuance Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_GainsLossesOnExtinguishmentOfDebtBeforeWriteOffOfDeferredDebtIssuanceCost" xml:lang="en-US">Loss</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:label="us-gaap_WriteOffOfDeferredDebtIssuanceCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WriteOffOfDeferredDebtIssuanceCost" xlink:to="lab_WriteOffOfDeferredDebtIssuanceCost" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_WriteOffOfDeferredDebtIssuanceCost" xml:lang="en-US">Write off of Deferred Debt Issuance Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_WriteOffOfDeferredDebtIssuanceCost" xml:lang="en-US">Deferred Financing Amortization</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SeniorNotesDue2012Member" xlink:label="bdn_SeniorNotesDue2012Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SeniorNotesDue2012Member" xlink:to="bdn_SeniorNotesDue2012Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SeniorNotesDue2012Member_lbl" xml:lang="en-US">Senior Notes Due2012 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SeniorNotesDue2012Member_lbl" xml:lang="en-US">2012 5.750% Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SeniorNotesDue2012Member_lbl" xml:lang="en-US">Senior Notes Due2012.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SeniorNotesDue2015Member" xlink:label="bdn_SeniorNotesDue2015Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SeniorNotesDue2015Member" xlink:to="bdn_SeniorNotesDue2015Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SeniorNotesDue2015Member_lbl" xml:lang="en-US">Senior Notes Due2015 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SeniorNotesDue2015Member_lbl" xml:lang="en-US">2015 7.500% Notes [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SeniorNotesDue2015Member_lbl" xml:lang="en-US">Senior Notes Due2015.</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:label="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xlink:to="lab_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfErrorCorrectionsAndPriorPeriodAdjustmentRestatementTable" xml:lang="en-US">Schedule of Error Corrections and Prior Period Adjustment Restatement [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="lab_StatementScenarioAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_StatementScenarioAxis" xml:lang="en-US">Statement, Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="lab_ScenarioUnspecifiedDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScenarioUnspecifiedDomain" xml:lang="en-US">Scenario, Unspecified [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestatementAdjustmentMember" xlink:label="us-gaap_RestatementAdjustmentMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestatementAdjustmentMember" xlink:to="lab_RestatementAdjustmentMember" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_RestatementAdjustmentMember" xml:lang="en-US">Restatement Adjustment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_RestatementAdjustmentMember" xml:lang="en-US">Restatement Adjustment [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:label="us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xlink:to="lab_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementLineItems" xml:lang="en-US">Error Corrections and Prior Period Adjustments Restatement [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ScheduleOfExtinguishmentOfDebtTable" xlink:label="us-gaap_ScheduleOfExtinguishmentOfDebtTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfExtinguishmentOfDebtTable" xlink:to="lab_ScheduleOfExtinguishmentOfDebtTable" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ScheduleOfExtinguishmentOfDebtTable" xml:lang="en-US">Schedule of Extinguishment of Debt [Table]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtinguishmentOfDebtAxis" xlink:label="us-gaap_ExtinguishmentOfDebtAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtAxis" xlink:to="lab_ExtinguishmentOfDebtAxis" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtinguishmentOfDebtAxis" xml:lang="en-US">Extinguishment of Debt [Axis]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtTypeDomain" xlink:to="lab_ExtinguishmentOfDebtTypeDomain" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtinguishmentOfDebtTypeDomain" xml:lang="en-US">Extinguishment of Debt, Type [Domain]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExtinguishmentOfDebtLineItems" xlink:label="us-gaap_ExtinguishmentOfDebtLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ExtinguishmentOfDebtLineItems" xlink:to="lab_ExtinguishmentOfDebtLineItems" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_ExtinguishmentOfDebtLineItems" xml:lang="en-US">Extinguishment of Debt [Line Items]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="lab_EquityMethodInvestmentOwnershipPercentage" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US">Equity Method Investment, Ownership Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US">Company's ownership percentage in the Real Estate Venture</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_DeferredFinancingCostExpectedToBeWriteOff" xlink:label="bdn_DeferredFinancingCostExpectedToBeWriteOff" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_DeferredFinancingCostExpectedToBeWriteOff" xlink:to="bdn_DeferredFinancingCostExpectedToBeWriteOff_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_DeferredFinancingCostExpectedToBeWriteOff_lbl" xml:lang="en-US">Deferred Financing Cost Expected To Be Write Off</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_DeferredFinancingCostExpectedToBeWriteOff_lbl" xml:lang="en-US">Deferred financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_DeferredFinancingCostExpectedToBeWriteOff_lbl" xml:lang="en-US">Deferred financing cost expected to be write off.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ThreeGreentreeCenterMember" xlink:label="bdn_ThreeGreentreeCenterMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ThreeGreentreeCenterMember" xlink:to="bdn_ThreeGreentreeCenterMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ThreeGreentreeCenterMember_lbl" xml:lang="en-US">Three Greentree Center [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ThreeGreentreeCenterMember_lbl" xml:lang="en-US">Three Greentree Center [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ThreeGreentreeCenterMember_lbl" xml:lang="en-US">Three Greentree Center.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_OverlookIAndIiMember" xlink:label="bdn_OverlookIAndIiMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_OverlookIAndIiMember" xlink:to="bdn_OverlookIAndIiMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_OverlookIAndIiMember_lbl" xml:lang="en-US">Overlook I And Ii [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_OverlookIAndIiMember_lbl" xml:lang="en-US">Overlook I And Ii.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_OverlookIAndIiMember_lbl" xml:lang="en-US">Overlook I And II [Member]</label>
    <loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DebtInstrumentUnamortizedPremium" xlink:label="us-gaap_DebtInstrumentUnamortizedPremium" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentUnamortizedPremium" xlink:to="lab_DebtInstrumentUnamortizedPremium" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="lab_DebtInstrumentUnamortizedPremium" xml:lang="en-US">Debt Instrument, Unamortized Premium</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="lab_DebtInstrumentUnamortizedPremium" xml:lang="en-US">Unamortized fixed-rate debt premium</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_ExtensionFee" xlink:label="bdn_ExtensionFee" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_ExtensionFee" xlink:to="bdn_ExtensionFee_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_ExtensionFee_lbl" xml:lang="en-US">Extension fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_ExtensionFee_lbl" xml:lang="en-US">Extension fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_ExtensionFee_lbl" xml:lang="en-US">Extension fee</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MinimumRemainingLeasePeriod" xlink:label="bdn_MinimumRemainingLeasePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MinimumRemainingLeasePeriod" xlink:to="bdn_MinimumRemainingLeasePeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MinimumRemainingLeasePeriod_lbl" xml:lang="en-US">Minimum remaining lease period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MinimumRemainingLeasePeriod_lbl" xml:lang="en-US">Minimum remaining lease period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MinimumRemainingLeasePeriod_lbl" xml:lang="en-US">Minimum remaining lease period</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MaximumRemainingLeasePeriod" xlink:label="bdn_MaximumRemainingLeasePeriod" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_MaximumRemainingLeasePeriod" xlink:to="bdn_MaximumRemainingLeasePeriod_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MaximumRemainingLeasePeriod_lbl" xml:lang="en-US">Maximum remaining lease period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MaximumRemainingLeasePeriod_lbl" xml:lang="en-US">Maximum remaining lease period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_MaximumRemainingLeasePeriod_lbl" xml:lang="en-US">Maximum remaining lease period</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_NetRentableSpacePercentageLeased" xlink:label="bdn_NetRentableSpacePercentageLeased" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_NetRentableSpacePercentageLeased" xlink:to="bdn_NetRentableSpacePercentageLeased_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_NetRentableSpacePercentageLeased_lbl" xml:lang="en-US">Net Rentable Space percentage leased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NetRentableSpacePercentageLeased_lbl" xml:lang="en-US">Net rentable space percentage leased.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_NetRentableSpacePercentageLeased_lbl" xml:lang="en-US">Net rentable space percentage leased</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SupplementalProFormaOperatingDataAbstract" xlink:label="bdn_SupplementalProFormaOperatingDataAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SupplementalProFormaOperatingDataAbstract" xlink:to="bdn_SupplementalProFormaOperatingDataAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SupplementalProFormaOperatingDataAbstract_lbl" xml:lang="en-US">Supplemental Pro Forma Operating Data [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_SupplementalProFormaOperatingDataAbstract_lbl" xml:lang="en-US">Supplemental pro forma operating data</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SupplementalProFormaOperatingDataAbstract_lbl" xml:lang="en-US">Supplemental Pro Forma Operating Data.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract" xlink:to="bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary Of Significant Accounting Policies (Details) [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_SummaryOfSignificantAccountingPoliciesDetailsAbstract_lbl" xml:lang="en-US">Summary of significant accounting policies.</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_RealEstateInvestmentsNet" xlink:label="bdn_RealEstateInvestmentsNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_RealEstateInvestmentsNet" xlink:to="bdn_RealEstateInvestmentsNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_RealEstateInvestmentsNet_lbl" xml:lang="en-US">Real Estate Investments, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_RealEstateInvestmentsNet_lbl" xml:lang="en-US">The net book value of real estate property held for investment purposes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="bdn_RealEstateInvestmentsNet_lbl" xml:lang="en-US">Total real estate investments, net</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:label="bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal" xlink:to="bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_lbl" xml:lang="en-US">Long Term Debt Maturities Repayments Of Principal</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="bdn_LongTermDebtMaturitiesRepaymentsOfPrincipal_lbl" xml:lang="en-US">Total principal payments</label>
    <loc xlink:type="locator" xlink:href="bdn-20110630.xsd#bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn" xlink:label="bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_lbl" xml:lang="en-US">Maximum Number Of Share To Be Delivered Upon Measurement Period Relative To Shareholder Return</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_MaximumNumberOfShareToBeDeliveredUponMeasurementPeriodRelativeToShareholderReturn_lbl" xml:lang="en-US">Maximum number of share to be delivered upon measurement period relative to shareholder return.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_NumberOfSharesToBeIssuedUnderDeferredCompensationPlanIncludedInSharesOutstanding_lbl" xml:lang="en-US">Number of shares to be issued under deferred compensation plan included in shares outstanding.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="bdn_LeasePercentageOfSoldProperty_lbl" xml:lang="en-US">Lease percentage of sold property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="bdn_LeasePercentageOfSoldProperty_lbl" xml:lang="en-US">Lease percentage of sold property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="bdn_LeasePercentageOfSoldProperty_lbl" xml:lang="en-US">Lease percentage of sold property</label>
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