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    <link:label id="lab_us-gaap_DividendsPayableAmount_B0B19CBC691233BE2BD9798A4BFE6B1F_verboseLabel_en-US" xlink:label="lab_us-gaap_DividendsPayableAmount_B0B19CBC691233BE2BD9798A4BFE6B1F" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount of dividend declared</link:label>
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    <link:label id="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_8F7B840B9671431E4B29798A4BFFA819_verboseLabel_en-US" xlink:label="lab_bdn_CommonPartnershipUnitsIssuedToParentCompany_8F7B840B9671431E4B29798A4BFFA819" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Common partnership units issued to the parent company related to redemption</link:label>
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    <link:label id="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F_label_en-US" xlink:label="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Annual rental payment during initial term of ground lease</link:label>
    <link:label id="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F_documentation_en-US" xlink:label="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Annual rental payment during initial term of ground lease</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease" xlink:label="loc_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F" xlink:to="lab_bdn_AnnualRentalPaymentDuringInitialTermOfGroundLease_D13F38B5E387BAC45511CC7482F0EB5F" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88_verboseLabel_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payment</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88_label_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Amount Of Annual Rental Payment</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88_documentation_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payment.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_MinimumAmountOfAnnualRentalPayment" xlink:label="loc_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:to="lab_bdn_MinimumAmountOfAnnualRentalPayment_5998E2747B8CCF51F310798A7006FE88" xlink:type="arc" />
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE_verboseLabel_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payments</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE_label_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Amount Of Annual Rental Payments</link:label>
    <link:label id="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE_documentation_en-US" xlink:label="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Minimum amount of annual rental payments.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_MinimumAmountOfAnnualRentalPayments" xlink:label="loc_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:to="lab_bdn_MinimumAmountOfAnnualRentalPayments_6E8E0F9C6FA928EBB5B1798A700667BE" xlink:type="arc" />
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2_verboseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Aggregate fair market rent future payment as of the date of acquisition</link:label>
    <link:label id="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2_label_en-US" xlink:label="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases, Future Minimum Payments Due</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2" xlink:to="lab_us-gaap_CapitalLeasesFutureMinimumPaymentsDue_B0216D25A85002DF44B6798A7006BAC2" xlink:type="arc" />
    <link:label id="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A_terseLabel_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Area of Two Logan Square in Philadelphia</link:label>
    <link:label id="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A_label_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leased Area Of Building</link:label>
    <link:label id="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A_documentation_en-US" xlink:label="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leased area of building.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_LeasedAreaOfBuilding" xlink:label="loc_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:to="lab_bdn_LeasedAreaOfBuilding_89B5E14DF299734C46CC798A7006955A" xlink:type="arc" />
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6_verboseLabel_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount to be paid if the Company takes fee title to Two Logan Square upon foreclosure of related mortgage</link:label>
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6_label_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">If the Company takes fee title to Two Logan Square upon a foreclosure of its mortgage, the Company has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property</link:label>
    <link:label id="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6_documentation_en-US" xlink:label="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">If the Company takes fee title to Two Logan Square upon a foreclosure of its mortgage, the Company has agreed to pay an unaffiliated third party that holds a residual interest in the fee owner of this property.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" xlink:label="loc_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:to="lab_bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty_78095D5235B6FC2CE4FA798A7006DDD6" xlink:type="arc" />
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700_verboseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Liability related to acquisition of TRC</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Cost of Acquired Entity, Liabilities Incurred</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred" xlink:label="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700" xlink:to="lab_us-gaap_BusinessAcquisitionCostOfAcquiredEntityLiabilitiesIncurred_EA395239D64603ADF689798A7006B700" xlink:type="arc" />
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09_verboseLabel_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09_label_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:label id="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09_documentation_en-US" xlink:label="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accretion Of Liability Related To Acquisition</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_AccretionOfLiabilityRelatedToAcquisition" xlink:label="loc_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:to="lab_bdn_AccretionOfLiabilityRelatedToAcquisition_7830610D347B0EF9B2A9798A70060E09" xlink:type="arc" />
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA_verboseLabel_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Balance portion of acquisition related liability</link:label>
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA_label_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Balance Portion Of Acquisition Related Liability</link:label>
    <link:label id="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA_documentation_en-US" xlink:label="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Balance portion of acquisition related liability.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_BalancePortionOfAcquisitionRelatedLiability" xlink:label="loc_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:to="lab_bdn_BalancePortionOfAcquisitionRelatedLiability_720C627EB034953A8BE7798A700633EA" xlink:type="arc" />
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973_verboseLabel_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Agreed holding period (not to sell) for properties acquired as part of the TRC acquisition</link:label>
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973_label_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</link:label>
    <link:label id="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973_documentation_en-US" xlink:label="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Company agreed not to sell acquired properties up to the period</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod" xlink:label="loc_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:to="lab_bdn_CompanyAgreedNotToSellAcquiredPropertiesUpToPeriod_363159DB2D52526FCD36798A70062973" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1A06C2E2FD2AA470C87E798A26A0E284_label_en-US" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1A06C2E2FD2AA470C87E798A26A0E284" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract" xlink:label="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1A06C2E2FD2AA470C87E798A26A0E284" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1A06C2E2FD2AA470C87E798A26A0E284" xlink:to="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_1A06C2E2FD2AA470C87E798A26A0E284" xlink:type="arc" />
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C_verboseLabel_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C_label_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Costs (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C_documentation_en-US" xlink:label="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Deferred costs.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_DeferredCostsTextualsAbstract" xlink:label="loc_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:to="lab_bdn_DeferredCostsTextualsAbstract_56A295F1221EA7FC3A93798A26A0BB5C" xlink:type="arc" />
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    <link:label id="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_F3F5ADB543BEB86394C2A1E4FD6F0B4D_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_F3F5ADB543BEB86394C2A1E4FD6F0B4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Current Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_F3F5ADB543BEB86394C2A1E4FD6F0B4D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_F3F5ADB543BEB86394C2A1E4FD6F0B4D" xlink:to="lab_us-gaap_GuaranteeObligationsCurrentCarryingValue_F3F5ADB543BEB86394C2A1E4FD6F0B4D" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_5B25CFCDD63D9C7F932D798A2FC4DD3D_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_5B25CFCDD63D9C7F932D798A2FC4DD3D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="loc_us-gaap_DebtDisclosureAbstract_5B25CFCDD63D9C7F932D798A2FC4DD3D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentTable_2F14B57CD513E3C89075798A2FC4B8DF_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_2F14B57CD513E3C89075798A2FC4B8DF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_2F14B57CD513E3C89075798A2FC4B8DF_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_2F14B57CD513E3C89075798A2FC4B8DF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_2F14B57CD513E3C89075798A2FC4B8DF" xlink:type="locator" />
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    <link:label id="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321_terseLabel_en-US" xlink:label="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property location [Axis]</link:label>
    <link:label id="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321_label_en-US" xlink:label="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property location [Axis]</link:label>
    <link:label id="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321_documentation_en-US" xlink:label="lab_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property location.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_PropertyLocationAxis" xlink:label="loc_bdn_PropertyLocationAxis_5E02527FF184C4E433A5798A2FC42321" xlink:type="locator" />
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    <link:label id="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07_terseLabel_en-US" xlink:label="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property location [Domain]</link:label>
    <link:label id="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07_label_en-US" xlink:label="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property location [Domain]</link:label>
    <link:label id="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07_documentation_en-US" xlink:label="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Property location.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_PropertyLocationDomain" xlink:label="loc_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:to="lab_bdn_PropertyLocationDomain_5483104D9B17AEB9CDEB798A2FC4BF07" xlink:type="arc" />
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D_verboseLabel_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</link:label>
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D_label_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview [Member]</link:label>
    <link:label id="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D_documentation_en-US" xlink:label="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Newtown Square/Berwyn Park/Libertyview.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NewtownSquareberwynParklibertyviewMember" xlink:label="loc_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:to="lab_bdn_NewtownSquareberwynParklibertyviewMember_1D317A221FE5DB662CF0798A2FC6953D" xlink:type="arc" />
    <link:label id="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529_verboseLabel_en-US" xlink:label="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Southpoint III [Member]</link:label>
    <link:label id="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529_label_en-US" xlink:label="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Southpoint III [Member]</link:label>
    <link:label id="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529_documentation_en-US" xlink:label="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Southpoint III.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_SouthpointIiiMember" xlink:label="loc_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:to="lab_bdn_SouthpointIiiMember_047C8DD99BD8748156AD798A2FC60529" xlink:type="arc" />
    <link:label id="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6_verboseLabel_en-US" xlink:label="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tysons Corner [Member]</link:label>
    <link:label id="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6_label_en-US" xlink:label="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tysons Corner [Member]</link:label>
    <link:label id="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6_documentation_en-US" xlink:label="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tysons Corner.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_TysonsCornerMember" xlink:label="loc_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:to="lab_bdn_TysonsCornerMember_457C956B3E2EAB3F5925798A2FC6CEC6" xlink:type="arc" />
    <link:label id="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74_verboseLabel_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Two Logan Square [Member]</link:label>
    <link:label id="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74_label_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Two Logan Square [Member]</link:label>
    <link:label id="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74_documentation_en-US" xlink:label="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Two Logan Square.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_TwoLoganSquareMember" xlink:label="loc_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:to="lab_bdn_TwoLoganSquareMember_A4EEC76C929751DAEBC5798A2FC64C74" xlink:type="arc" />
    <link:label id="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E_terseLabel_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:label id="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E_label_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:label id="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E_documentation_en-US" xlink:label="lab_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fairview Eleven Tower [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_FairviewElevenTowerMember" xlink:label="loc_bdn_FairviewElevenTowerMember_66EB0C61CC55CF1204BE798A2FC65B5E" xlink:type="locator" />
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    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C_verboseLabel_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus [Member]</link:label>
    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C_label_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus [Member]</link:label>
    <link:label id="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C_documentation_en-US" xlink:label="lab_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">IRS Philadelphia Campus.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_IrsPhiladelphiaCampusMember" xlink:label="loc_bdn_IrsPhiladelphiaCampusMember_69E23308B49BADB58518798A2FC6647C" xlink:type="locator" />
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    <link:label id="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1_verboseLabel_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cira South Garage [Member]</link:label>
    <link:label id="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1_label_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cira South Garage [Member]</link:label>
    <link:label id="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1_documentation_en-US" xlink:label="lab_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cira South Garage.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_CiraSouthGarageMember" xlink:label="loc_bdn_CiraSouthGarageMember_282ADF2E803E077096F8798A2FC6F2D1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentAxis_97C611C9A5EE0405AE1D798A2FC6EFF5_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_97C611C9A5EE0405AE1D798A2FC6EFF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_97C611C9A5EE0405AE1D798A2FC6EFF5_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_97C611C9A5EE0405AE1D798A2FC6EFF5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_97C611C9A5EE0405AE1D798A2FC6EFF5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_7B03DBF329AF8BAA515E798A2FC694CA_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_7B03DBF329AF8BAA515E798A2FC694CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7B03DBF329AF8BAA515E798A2FC694CA" xlink:type="locator" />
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    <link:label id="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617_verboseLabel_en-US" xlink:label="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bank Term Loan [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617_label_en-US" xlink:label="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bank Term Loan [Member]</link:label>
    <link:label id="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617_documentation_en-US" xlink:label="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Bank Term Loan.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_BankTermLoanMember" xlink:label="loc_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:to="lab_bdn_BankTermLoanMember_7DFDAD6E51A6165B938C798A2FC6F617" xlink:type="arc" />
    <link:label id="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E_verboseLabel_en-US" xlink:label="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Former Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E_label_en-US" xlink:label="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Member]</link:label>
    <link:label id="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E_documentation_en-US" xlink:label="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_CreditFacilityMember" xlink:label="loc_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:to="lab_bdn_CreditFacilityMember_77140DD0F14742DF12C1798A2FC6450E" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Revolving Credit Facility [Member]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="loc_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535" xlink:to="lab_us-gaap_LineOfCreditMember_711806B25F1C2E5434EFCC334594C535" xlink:type="arc" />
    <link:label id="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7_verboseLabel_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Three-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7_label_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Three Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7_documentation_en-US" xlink:label="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Three Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_ThreeYearTermLoanMember" xlink:label="loc_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:to="lab_bdn_ThreeYearTermLoanMember_529D9579C83EC1D4BD9ECC33F5192FD7" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6_label_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_FourYearTermLoanMember" xlink:label="loc_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:to="lab_bdn_FourYearTermLoanMember_DC781BC752E66B4F2A42D193AC58BDC6" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207_label_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_FourYearTermLoanSwappedToFixedMember" xlink:label="loc_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:to="lab_bdn_FourYearTermLoanSwappedToFixedMember_2AD262952116C48AA3F2CC3486502207" xlink:type="arc" />
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840_terseLabel_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840_label_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:label id="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840_documentation_en-US" xlink:label="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Four-Year Term Loan - Variable [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_FourYearTermLoanVariableMember" xlink:label="loc_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:to="lab_bdn_FourYearTermLoanVariableMember_A2BFDF44054ED915F103CC3516A2E840" xlink:type="arc" />
    <link:label id="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B_verboseLabel_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan - Swapped to fixed [Member]</link:label>
    <link:label id="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B_label_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan [Member]</link:label>
    <link:label id="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B_documentation_en-US" xlink:label="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Seven Year Term Loan [Member]</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_SevenYearTermLoanMember" xlink:label="loc_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:to="lab_bdn_SevenYearTermLoanMember_EE54140020D38696481BCC3591B9E96B" xlink:type="arc" />
    <link:label id="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26_verboseLabel_en-US" xlink:label="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012 [Member]</link:label>
    <link:label id="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26_label_en-US" xlink:label="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Three [Member]</link:label>
    <link:label id="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26_documentation_en-US" xlink:label="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$300.0M 5.750% Guaranteed Notes due 2012.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteThreeMember" xlink:label="loc_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:to="lab_bdn_NoteThreeMember_582B01E42E6257F40BB2798A2FC61D26" xlink:type="arc" />
    <link:label id="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A_verboseLabel_en-US" xlink:label="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014 [Member]</link:label>
    <link:label id="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A_label_en-US" xlink:label="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Four [Member]</link:label>
    <link:label id="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A_documentation_en-US" xlink:label="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 5.400% Guaranteed Notes due 2014.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteFourMember" xlink:label="loc_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:to="lab_bdn_NoteFourMember_7D3E07AFB1A37534509D798A2FC6612A" xlink:type="arc" />
    <link:label id="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC_verboseLabel_en-US" xlink:label="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015 [Member]</link:label>
    <link:label id="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC_label_en-US" xlink:label="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Five [Member]</link:label>
    <link:label id="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC_documentation_en-US" xlink:label="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 7.500% Guaranteed Notes due 2015.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteFiveMember" xlink:label="loc_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:to="lab_bdn_NoteFiveMember_E6F452BE21A1E86AAAF6798A2FC639CC" xlink:type="arc" />
    <link:label id="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B_verboseLabel_en-US" xlink:label="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016 [Member]</link:label>
    <link:label id="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B_label_en-US" xlink:label="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Six [Member]</link:label>
    <link:label id="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B_documentation_en-US" xlink:label="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$250.0M 6.000% Guaranteed Notes due 2016.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteSixMember" xlink:label="loc_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:to="lab_bdn_NoteSixMember_2190C9890525CE5E8D72798A2FC63B9B" xlink:type="arc" />
    <link:label id="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24_verboseLabel_en-US" xlink:label="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017 [Member]</link:label>
    <link:label id="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24_label_en-US" xlink:label="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Seven [Member]</link:label>
    <link:label id="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24_documentation_en-US" xlink:label="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$300.0M 5.700% Guaranteed Notes due 2017.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteSevenMember" xlink:label="loc_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:to="lab_bdn_NoteSevenMember_2AAFC5864E6481EC7DF0798A2FC6DA24" xlink:type="arc" />
    <link:label id="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8_verboseLabel_en-US" xlink:label="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$325.0M 4.950% Guaranteed Notes due 2018 [Member]</link:label>
    <link:label id="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8_label_en-US" xlink:label="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Eight [Member]</link:label>
    <link:label id="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8_documentation_en-US" xlink:label="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Note Eight Member.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_NoteEightMember" xlink:label="loc_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:to="lab_bdn_NoteEightMember_59C689AAD551B8294F87798A2FC69FB8" xlink:type="arc" />
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E_label_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E_documentation_en-US" xlink:label="lab_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture IA (Preferred Trust I).</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_IndentureIaPreferredTrustIMember" xlink:label="loc_bdn_IndentureIaPreferredTrustIMember_6089F769B3C288FB65A3798A2FC6AB8E" xlink:type="locator" />
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    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC_label_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC_documentation_en-US" xlink:label="lab_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture IB (Preferred Trust I).</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_IndentureIbPreferredTrustIMember" xlink:label="loc_bdn_IndentureIbPreferredTrustIMember_5DBB401287D58AD9507B798A2FC6F4CC" xlink:type="locator" />
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    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9_verboseLabel_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9_label_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II) [Member]</link:label>
    <link:label id="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9_documentation_en-US" xlink:label="lab_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Indenture II (Preferred Trust II).</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_IndentureIiPreferredTrustIiMember" xlink:label="loc_bdn_IndentureIiPreferredTrustIiMember_3291333BA8A5F743DD99798A2FC6FAA9" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C" xlink:to="lab_us-gaap_LongtermDebtTypeAxis_625DE9740E4684C194B9798A2FC6984C" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707" xlink:to="lab_us-gaap_LongtermDebtTypeDomain_EA281921D5B3116261CE798A2FC61707" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0_verboseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0" xlink:to="lab_us-gaap_SecuredDebtMember_FC6CE3EBD33BCCBFD698798A2FC61ED0" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD_verboseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unsecured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD_label_en-US" xlink:label="lab_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnsecuredDebtMember" xlink:label="loc_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD" xlink:to="lab_us-gaap_UnsecuredDebtMember_FD5EF3E987D8D35DF087798A2FC634CD" xlink:type="arc" />
    <link:label id="lab_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8_terseLabel_en-US" xlink:label="lab_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Participating Mortgage Loans [Line Items]</link:label>
    <link:label id="lab_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8_label_en-US" xlink:label="lab_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Participating Mortgage Loans [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ParticipatingMortgageLoansLineItems" xlink:label="loc_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8" xlink:to="lab_us-gaap_ParticipatingMortgageLoansLineItems_03BE4F67B1C92E1A4A5E798A2FC621B8" xlink:type="arc" />
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4_verboseLabel_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Consolidated debt obligations</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4_label_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Debt Obligations [Abstract]</link:label>
    <link:label id="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4_documentation_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consolidated Debt Obligations Abstract.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_ConsolidatedDebtObligationsAbstract" xlink:label="loc_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:to="lab_bdn_ConsolidatedDebtObligationsAbstract_EA4B7237EDFA07A52830798A2FC78CD4" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount_EA980BE8F830555C5832798A2FC721EB" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Plus: premiums/(discounts), net</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount (Premium), Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E" xlink:to="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_C400F219A454888521DA798A2FC7E10E" xlink:type="arc" />
    <link:label id="lab_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1_totalLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total mortgage indebtedness</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1" xlink:to="lab_us-gaap_SecuredDebt_C4576D449B152C1AA645798A2FC724C1" xlink:type="arc" />
    <link:label id="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5_totalLabel_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total unsecured indebtedness</link:label>
    <link:label id="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5_label_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Indebtedness</link:label>
    <link:label id="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5_documentation_en-US" xlink:label="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total unsecured indebtedness.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_UnsecuredIndebtedness" xlink:label="loc_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:to="lab_bdn_UnsecuredIndebtedness_B6F1291441D41E4C457A798A2FC740D5" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebt_83A71D53EA94973A7776798A2FC72A01_totalLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt_83A71D53EA94973A7776798A2FC72A01" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Debt Obligations</link:label>
    <link:label id="lab_us-gaap_LongTermDebt_83A71D53EA94973A7776798A2FC72A01_label_en-US" xlink:label="lab_us-gaap_LongTermDebt_83A71D53EA94973A7776798A2FC72A01" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_8B34871C49F739EBE7C7798A32B31BAB" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_8B34871C49F739EBE7C7798A32B31BAB" xlink:type="arc" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_CD916802A6393033004F798A32B3401B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_CD916802A6393033004F798A32B3401B" xlink:type="arc" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_28B070EFEE1F1881DDF8798A32B3E88B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_28B070EFEE1F1881DDF8798A32B3E88B" xlink:type="arc" />
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    <link:label id="lab_us-gaap_NoncontrollingInterestAbstract_F4A8BD724C12B21DB8F9798A4792EC25_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestAbstract_F4A8BD724C12B21DB8F9798A4792EC25" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Abstract]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_F2C8306E98FB764D2DF4798A2AEEA1D0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CustomerRelationshipsMember_F845C8C148B9580B102C798A2AEE70AD_terseLabel_en-US" xlink:label="lab_us-gaap_CustomerRelationshipsMember_F845C8C148B9580B102C798A2AEE70AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tenant relationship value [Member]</link:label>
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    <link:label id="lab_bdn_AboveMarketLeasesMember_327A5AF5F24C6153500C798A2AEE34FC_terseLabel_en-US" xlink:label="lab_bdn_AboveMarketLeasesMember_327A5AF5F24C6153500C798A2AEE34FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Above market leases acquired [Member]</link:label>
    <link:label id="lab_bdn_AboveMarketLeasesMember_327A5AF5F24C6153500C798A2AEE34FC_label_en-US" xlink:label="lab_bdn_AboveMarketLeasesMember_327A5AF5F24C6153500C798A2AEE34FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Above Market Leases [Member]</link:label>
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    <link:label id="lab_bdn_BelowMarketLeasesMember_70DFA8B82DA293D1F394798A2AEE17AB_terseLabel_en-US" xlink:label="lab_bdn_BelowMarketLeasesMember_70DFA8B82DA293D1F394798A2AEE17AB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Below market leases acquired [Member]</link:label>
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_8CBC0C86810E6908D132798A586BA312_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAreDelivered_8CBC0C86810E6908D132798A586BA312" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Delivered</link:label>
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    <link:label id="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_74366301AB6DB58F724A798A586C40B2_verboseLabel_en-US" xlink:label="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_74366301AB6DB58F724A798A586C40B2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum percentage of the participant's base units</link:label>
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    <link:label id="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_74366301AB6DB58F724A798A586C40B2_documentation_en-US" xlink:label="lab_bdn_MaximumPercentageOfParticipantsBaseUnits_74366301AB6DB58F724A798A586C40B2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum percentage of the participants base units.</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_68E3FFA1F2A67EE663E7798A586C9BB8_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue_68E3FFA1F2A67EE663E7798A586C9BB8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair value of awards on the grant date</link:label>
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_ED562AC18C4C3B7094F7798A586CCBB4_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_ED562AC18C4C3B7094F7798A586CCBB4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share purchases made by employees under ESPP</link:label>
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    <link:loc xlink:href="bdn-20120331.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEspp_ED562AC18C4C3B7094F7798A586CCBB4" xlink:type="locator" />
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_CC0424AE1DCE20E86994798A586CB9B5_terseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_CC0424AE1DCE20E86994798A586CB9B5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share purchases made by employees under ESPP, Percentage</link:label>
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    <link:loc xlink:href="bdn-20120331.xsd#bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage" xlink:label="loc_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardTermsOfPurchaseCommonSharesUnderEmployeeStockPurchasePlanPercentage_CC0424AE1DCE20E86994798A586CB9B5" xlink:type="locator" />
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    <link:label id="lab_bdn_PercentageOfPlanContribution_5F5222E9AE59200D9D0D798A586C1590_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfPlanContribution_5F5222E9AE59200D9D0D798A586C1590" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of plan contribution</link:label>
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_15B54BD6F259F6FAAA5E798A586CC978_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardWeightedAveragePriceOfSharesPurchased_15B54BD6F259F6FAAA5E798A586CC978" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Purchase price of shares purchased under ESPP</link:label>
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    <link:label id="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_714FB933CA03C5895652798A40260B52_documentation_en-US" xlink:label="lab_bdn_A2470InterestRateSwapMaturingFebruary12015Member_714FB933CA03C5895652798A40260B52" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.470% Interest Rate Swap Maturing February 1, 2015 [Member]</link:label>
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    <link:label id="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_22A2265ADCC5FE8237D2798A4026BE8C_documentation_en-US" xlink:label="lab_bdn_A2513InterestRateSwapMaturingMay12015Member_22A2265ADCC5FE8237D2798A4026BE8C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.513% Interest Rate Swap Maturing May 1, 2015 [Member]</link:label>
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    <link:label id="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_DAA247F0B45B6949B134798A4026042C_documentation_en-US" xlink:label="lab_bdn_A2750InterestRateSwapMaturingSeptember302017Member_DAA247F0B45B6949B134798A4026042C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.750% Interest Rate Swap Maturing September 30, 2017 [Member]</link:label>
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    <link:label id="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_87CAFCBC7F6497BF0161798A4026A73A_documentation_en-US" xlink:label="lab_bdn_A3300InterestRateSwapMaturingJanuary302021Member_87CAFCBC7F6497BF0161798A4026A73A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3.300% Interest Rate Swap Maturing January 30, 2021 [Member]</link:label>
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    <link:label id="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_B22219D66138B9DDBD5DCCE951DDE3EC_documentation_en-US" xlink:label="lab_bdn_A2780InterestRateSwapMaturingAugust12016Member_B22219D66138B9DDBD5DCCE951DDE3EC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.780% Interest Rate Swap Maturing August 1, 2016 [Member]</link:label>
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    <link:label id="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_8A0046356FF01FAF4B1ACCEA1A45861B_documentation_en-US" xlink:label="lab_bdn_A2910InterestRateSwapMaturingFebruary12017Member_8A0046356FF01FAF4B1ACCEA1A45861B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">2.910% Interest Rate Swap Maturing February 1, 2017 [Member]</link:label>
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    <link:label id="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FFC3DBA103146FD8E38BCCEB0A2F5931_documentation_en-US" xlink:label="lab_bdn_A3090InterestRateSwapMaturingOctober302019Member_FFC3DBA103146FD8E38BCCEB0A2F5931" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3.090% Interest Rate Swap Maturing October 30, 2019 [Member]</link:label>
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    <link:label id="lab_us-gaap_TaxCreditCarryforwardLineItems_C10B102D9EDF9C3F161E798A5FA76F7C_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardLineItems_C10B102D9EDF9C3F161E798A5FA76F7C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward [Line Items]</link:label>
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    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92_terseLabel_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92_label_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions (Textuals) [Abstract]</link:label>
    <link:label id="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92_documentation_en-US" xlink:label="lab_bdn_TaxCreditTransactionsTextualsAbstract_684F10551FE160868CB4798A5FA7FF92" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax Credit Transactions.</link:label>
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    <link:label id="lab_bdn_AreaOfIrsCampusBuilding_48CB981138517F4ED469798A5FA8F905_verboseLabel_en-US" xlink:label="lab_bdn_AreaOfIrsCampusBuilding_48CB981138517F4ED469798A5FA8F905" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Area of IRS Philadelphia Campus building (in square foot)</link:label>
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    <link:loc xlink:href="bdn-20120331.xsd#bdn_AreaOfIrsCampusBuilding" xlink:label="loc_bdn_AreaOfIrsCampusBuilding_48CB981138517F4ED469798A5FA8F905" xlink:type="locator" />
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    <link:label id="lab_bdn_PercentageOfBuildingLeasedToIrs_5AB5BDE13E991053E8A7798A5FA835AA_documentation_en-US" xlink:label="lab_bdn_PercentageOfBuildingLeasedToIrs_5AB5BDE13E991053E8A7798A5FA835AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Building Leased To IRS.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_PercentageOfBuildingLeasedToIrs" xlink:label="loc_bdn_PercentageOfBuildingLeasedToIrs_5AB5BDE13E991053E8A7798A5FA835AA" xlink:type="locator" />
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    <link:label id="lab_bdn_AgreedContributionInProjectCost_A510934155AC889082F1798A5FA8DBC0_label_en-US" xlink:label="lab_bdn_AgreedContributionInProjectCost_A510934155AC889082F1798A5FA8DBC0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agreed contribution in project cost</link:label>
    <link:label id="lab_bdn_AgreedContributionInProjectCost_A510934155AC889082F1798A5FA8DBC0_documentation_en-US" xlink:label="lab_bdn_AgreedContributionInProjectCost_A510934155AC889082F1798A5FA8DBC0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Agreed contribution in project cost.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_AgreedContributionInProjectCost" xlink:label="loc_bdn_AgreedContributionInProjectCost_A510934155AC889082F1798A5FA8DBC0" xlink:type="locator" />
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    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653_terseLabel_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount received in advance for project cost</link:label>
    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653_label_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contributions From Historic Tax Credit Transaction Net Of Deferred Costs</link:label>
    <link:label id="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653_documentation_en-US" xlink:label="lab_bdn_ContributionsFromHistoricTaxCreditTransactionNetOfDeferredCosts_11ED74CA533D473DF3F2798A5FA84653" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contributions from historic tax credit transaction, net of deferred costs.</link:label>
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    <link:label id="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02_verboseLabel_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount received from contribution</link:label>
    <link:label id="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02_label_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Received From Contribution</link:label>
    <link:label id="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02_documentation_en-US" xlink:label="lab_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount received from contribution.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_AmountReceivedFromContribution" xlink:label="loc_bdn_AmountReceivedFromContribution_EBFAA3EBF741876BC228798A5FA80C02" xlink:type="locator" />
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    <link:label id="lab_us-gaap_TaxCreditCarryforwardDescription_F3080E796181321AF09A798A5FA8CE79_verboseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardDescription_F3080E796181321AF09A798A5FA8CE79" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Tax credit conditions</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardDescription_F3080E796181321AF09A798A5FA8CE79_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardDescription_F3080E796181321AF09A798A5FA8CE79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax Credit Carryforward, Description</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TaxCreditCarryforwardDescription" xlink:label="loc_us-gaap_TaxCreditCarryforwardDescription_F3080E796181321AF09A798A5FA8CE79" xlink:type="locator" />
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    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of tax credit recapture</link:label>
    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749_label_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Tax Credit Recapture</link:label>
    <link:label id="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749_documentation_en-US" xlink:label="lab_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of tax credit recapture.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_PercentageOfTaxCreditRecapture" xlink:label="loc_bdn_PercentageOfTaxCreditRecapture_3437A7BAA9596FC15E03798A5FA8D749" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DeferredRevenue_AB91CD379759EE10FC43798A5FA8FCF9_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenue_AB91CD379759EE10FC43798A5FA8FCF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">USB contributions presented within deferred income</link:label>
    <link:label id="lab_us-gaap_DeferredRevenue_AB91CD379759EE10FC43798A5FA8FCF9_label_en-US" xlink:label="lab_us-gaap_DeferredRevenue_AB91CD379759EE10FC43798A5FA8FCF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue</link:label>
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    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4_terseLabel_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest</link:label>
    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4_label_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest</link:label>
    <link:label id="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4_documentation_en-US" xlink:label="lab_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contribution allocated in non controlling interest.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_ContributionAllocatedInNonControllingInterest" xlink:label="loc_bdn_ContributionAllocatedInNonControllingInterest_51E8FCED69EC372E54B8798A5FA857A4" xlink:type="locator" />
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    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_29A7F85502B85E915286798A5FA8B0C8_verboseLabel_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses_29A7F85502B85E915286798A5FA8B0C8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recognition of cash received as revenue net of allocated expenses on or after September 2011, period</link:label>
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    <link:label id="lab_bdn_CashReceivedAsRevenue_E8313C45ED9A2CFCD8D9798A5FA99FBD_documentation_en-US" xlink:label="lab_bdn_CashReceivedAsRevenue_E8313C45ED9A2CFCD8D9798A5FA99FBD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash received as revenue.</link:label>
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    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180_verboseLabel_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expected Benefit From a Qualified NMTC Program</link:label>
    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180_label_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Expected benefit from qualified program</link:label>
    <link:label id="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180_documentation_en-US" xlink:label="lab_bdn_ExpectedBenefitFromQualifiedProgram_F0299C55AACE93CF29C3798A5FA9A180" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Expected benefit from qualified program.</link:label>
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    <link:label id="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_3823C1CFE1EFC7E6F462798A5FA89930_verboseLabel_en-US" xlink:label="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_3823C1CFE1EFC7E6F462798A5FA89930" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief</link:label>
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    <link:label id="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_3823C1CFE1EFC7E6F462798A5FA89930_documentation_en-US" xlink:label="lab_bdn_LimitOnTaxCreditClaimsUnderCommunityRenewalTaxRelief_3823C1CFE1EFC7E6F462798A5FA89930" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limit on tax credit claims under the Community Renewal Tax Relief.</link:label>
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    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE_verboseLabel_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of qualified investments</link:label>
    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE_label_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Qualified Investments</link:label>
    <link:label id="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE_documentation_en-US" xlink:label="lab_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of qualified investments.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_PercentageOfQualifiedInvestments" xlink:label="loc_bdn_PercentageOfQualifiedInvestments_55F23821BEB76A37B505798A5FA8E1FE" xlink:type="locator" />
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    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2_terseLabel_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recognition of cash received as revenue net of allocated expenses on or after September 2011, period in years</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2_label_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses, Period Credit Recapture in Years</link:label>
    <link:label id="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2_documentation_en-US" xlink:label="lab_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recognition Of Cash Received As Revenue Net Of Allocated Expenses, Period Credit Recapture in Years</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears" xlink:label="loc_bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpensesPeriodCreditRecaptureInYears_5BE29A6B68E92127E7D9798A5FA8C4D2" xlink:type="locator" />
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_7E50F01DBB18B2F82946798A570CA6A8_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementsRestrictedShareActivityAbstract_7E50F01DBB18B2F82946798A570CA6A8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Company's restricted share activity</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_894840E0E8398E2DFC0B798A570CBECF_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_894840E0E8398E2DFC0B798A570CBECF" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Non-vested at January 1, 2012, shares</link:label>
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    <link:label id="lab_bdn_RichmondVirginiaMember_935A0A873C05CCF8A064798A66F11655_documentation_en-US" xlink:label="lab_bdn_RichmondVirginiaMember_935A0A873C05CCF8A064798A66F11655" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Richmond, Virginia.</link:label>
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    <link:label id="lab_stpr_CA_6F55D1AC8ACB08DD86D4798A66F1D741_verboseLabel_en-US" xlink:label="lab_stpr_CA_6F55D1AC8ACB08DD86D4798A66F1D741" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">California [Member]</link:label>
    <link:label id="lab_stpr_CA_6F55D1AC8ACB08DD86D4798A66F1D741_label_en-US" xlink:label="lab_stpr_CA_6F55D1AC8ACB08DD86D4798A66F1D741" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CALIFORNIA</link:label>
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    <link:label id="lab_bdn_CorporateMember_97DE3843713CE88B7698798A66F1C63D_label_en-US" xlink:label="lab_bdn_CorporateMember_97DE3843713CE88B7698798A66F1C63D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate [Member]</link:label>
    <link:label id="lab_bdn_CorporateMember_97DE3843713CE88B7698798A66F1C63D_documentation_en-US" xlink:label="lab_bdn_CorporateMember_97DE3843713CE88B7698798A66F1C63D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Corporate.</link:label>
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    <link:loc xlink:href="bdn-20120331.xsd#bdn_SegmentsInformationAbstract" xlink:label="loc_bdn_SegmentsInformationAbstract_0E71ECAE5C50FB797CB2798A66F1E302" xlink:type="locator" />
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    <link:loc xlink:href="bdn-20120331.xsd#bdn_RealEstateInvestmentsAtCostAbstract" xlink:label="loc_bdn_RealEstateInvestmentsAtCostAbstract_5E45FEE677FEA4A5AE18798A66F10B01" xlink:type="locator" />
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    <link:label id="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_3630DD5D19FD4C922E24798A1C7D7721_verboseLabel_en-US" xlink:label="lab_bdn_NumberOfRoomsContainInOneRealEstateVentureDevelopedAsHotelProperty_3630DD5D19FD4C922E24798A1C7D7721" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of rooms in a hotel property developed by one Real Estate Venture</link:label>
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    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_694F7E09B993727ABE947989E95EA587_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember_694F7E09B993727ABE947989E95EA587" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">7.375% Series E Preferred Shares</link:label>
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    <link:label id="lab_us-gaap_AssetsAbstract_1C31722DEFCF5F476BFA7989E95EDD32_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract_1C31722DEFCF5F476BFA7989E95EDD32" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
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    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_164E69D109FF394D67857989E95E72A2_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_164E69D109FF394D67857989E95E72A2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real estate investments:</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_164E69D109FF394D67857989E95E72A2_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNetAbstract_164E69D109FF394D67857989E95E72A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net [Abstract]</link:label>
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    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAtCost_55A261F651F7DBDF8E747989E95E0AD3_verboseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAtCost_55A261F651F7DBDF8E747989E95E0AD3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Rental properties</link:label>
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    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_5B9F4ADF13F8E0081CEA7989E95E096A_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_5B9F4ADF13F8E0081CEA7989E95E096A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Accumulated Depreciation</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation_5B9F4ADF13F8E0081CEA7989E95E096A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_74F39F7AD6869B2211317989E95E3B78_totalLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet_74F39F7AD6869B2211317989E95E3B78" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Operating real estate investments, net</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_74F39F7AD6869B2211317989E95E3B78_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet_74F39F7AD6869B2211317989E95E3B78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RealEstateInvestmentPropertyNet" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet_74F39F7AD6869B2211317989E95E3B78" xlink:type="locator" />
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    <link:label id="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD_totalLabel_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total real estate investments, net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD_label_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Net</link:label>
    <link:label id="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD_documentation_en-US" xlink:label="lab_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The net book value of real estate property held for investment purposes.</link:label>
    <link:loc xlink:href="bdn-20120331.xsd#bdn_RealEstateInvestmentsNet" xlink:label="loc_bdn_RealEstateInvestmentsNet_FE4BE8D87391A1C0830D7989E95E88FD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_3755D01C2FB69F95BCD47989E95EB6E4_verboseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_3755D01C2FB69F95BCD47989E95EB6E4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_3755D01C2FB69F95BCD47989E95EB6E4_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_3755D01C2FB69F95BCD47989E95EB6E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3755D01C2FB69F95BCD47989E95EB6E4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_HeldToMaturitySecurities_0BF098560B93F5A42E64CB6D25F47F4F_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_0BF098560B93F5A42E64CB6D25F47F4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities</link:label>
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    <link:label id="lab_us-gaap_AccountsReceivableNet_62EEC9FAE62562515BEF7989E95E56CB_verboseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNet_62EEC9FAE62562515BEF7989E95E56CB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable, net</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableNet_62EEC9FAE62562515BEF7989E95E56CB_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableNet_62EEC9FAE62562515BEF7989E95E56CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Net</link:label>
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    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2013</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears_7BEC9A2B6F8F9F986991798A71A1EA0E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2014</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears_66E46E4D6F850687AD44798A71A18815" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2015</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears_BFD6E852D6A5F84ECBCC798A71A18064" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2016</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, in Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears_48F92E207B6018839D45798A71A18434" xlink:type="arc" />
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3_label_en-US" xlink:label="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Receivable, Thereafter</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter" xlink:label="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3" xlink:to="lab_us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter_E3491319ACAC8D471891798A71A1C2B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_061A02E7C677A4A83F33798A654234E2_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_061A02E7C677A4A83F33798A654234E2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Segment information</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_061A02E7C677A4A83F33798A654234E2_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_061A02E7C677A4A83F33798A654234E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_061A02E7C677A4A83F33798A654234E2" xlink:type="locator" />
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    <link:label id="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_D364B158DB37699B4014798A6542331C_verboseLabel_en-US" xlink:label="lab_bdn_ReconciliationOfConsolidatedNetOperatingIncomeTableTextBlock_D364B158DB37699B4014798A6542331C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of consolidated net operating income</link:label>
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_6A2EE35006EEA3E7EE90798A545C0FE1_verboseLabel_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionActivityAbstract_6A2EE35006EEA3E7EE90798A545C0FE1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Option activity</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CC83D4C203D3CD415011798A545CB62B_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CC83D4C203D3CD415011798A545CB62B" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding at beginning of year, shares</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_CC83D4C203D3CD415011798A545CB62B" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod_29E1CDB2B4A945E694DE798A545CAC9F" xlink:type="locator" />
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    <link:label id="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_3C1F05EA50671331144C798A39A98CF8_verboseLabel_en-US" xlink:label="lab_bdn_VariableRateDebtInstrumentsCarryingAmount_3C1F05EA50671331144C798A39A98CF8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Variable rate debt instruments, Carrying Amount</link:label>
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    <link:label id="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_54D8DBB89E341C88E5B6798A146194C1_documentation_en-US" xlink:label="lab_bdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingTermMaximum_54D8DBB89E341C88E5B6798A146194C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Term, Maximum</link:label>
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    <link:label id="lab_us-gaap_AllocatedShareBasedCompensationExpense_030D19421473F9A077C0798A14616AD4_terseLabel_en-US" xlink:label="lab_us-gaap_AllocatedShareBasedCompensationExpense_030D19421473F9A077C0798A14616AD4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation expense</link:label>
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    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF_terseLabel_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributable income minimum percentage</link:label>
    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF_label_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distributable Income Minimum Percentage</link:label>
    <link:label id="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF_documentation_en-US" xlink:label="lab_bdn_DistributableIncomeMinimumPercentage_0C61CF0BF338AE18434FECE21D944EFF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Distributable income minimum percentage.</link:label>
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    <link:label id="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_65EF349D80DADBAF1064798A234CEBEE_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock_65EF349D80DADBAF1064798A234CEBEE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">DEFERRED COSTS</link:label>
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    <link:label id="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_74AF3F711343A373AE6B798A2E972407_verboseLabel_en-US" xlink:label="lab_bdn_ConsolidatedDebtObligationsTableTextBlock_74AF3F711343A373AE6B798A2E972407" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Consolidated debt obligations</link:label>
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    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5_verboseLabel_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Summary of debt repurchases</link:label>
    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5_label_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Summary Of Debt Repurchases [Table Text Block]</link:label>
    <link:label id="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5_documentation_en-US" xlink:label="lab_bdn_SummaryOfDebtRepurchasesTableTextBlock_949C8572848556C2F4B1798A2E9798B5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Summary of debt repurchases table.</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF6E0BC24922D1850EAA798A2E9711F1_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF6E0BC24922D1850EAA798A2E9711F1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of principal payments of debt obligations</link:label>
    <link:label id="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF6E0BC24922D1850EAA798A2E9711F1_label_en-US" xlink:label="lab_us-gaap_ScheduleOfExtinguishmentOfDebtTextBlock_FF6E0BC24922D1850EAA798A2E9711F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Extinguishment of Debt [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_BE07AF5CA99379EB27857989F22C3558_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_BE07AF5CA99379EB27857989F22C3558" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_BE07AF5CA99379EB27857989F22C3558_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_BE07AF5CA99379EB27857989F22C3558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ProfitLoss_2D1E6291A532ECA046767989F22CBFAC_verboseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss_2D1E6291A532ECA046767989F22CBFAC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="loc_us-gaap_ProfitLoss_2D1E6291A532ECA046767989F22CBFAC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_4344886E5A1E73BD00607989F22C4DCA_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_4344886E5A1E73BD00607989F22C4DCA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net loss to net cash from operating activities:</link:label>
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    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_37C66C707AD1E04158007989F22C3FCA_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_37C66C707AD1E04158007989F22C3FCA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_F8E303D799621CAF85D27989F22C175B_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts_F8E303D799621CAF85D27989F22C175B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of deferred financing costs</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfDebtDiscountPremium_2B8A14D0D71F5F633AFB7989F22C5E5A_verboseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfDebtDiscountPremium_2B8A14D0D71F5F633AFB7989F22C5E5A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amortization of debt discount/(premium), net</link:label>
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    <link:label id="lab_bdn_AmortizationOfStockCompensationCosts_1654F2FB407F0CD2A1F9EF5DA3049AB4_terseLabel_en-US" xlink:label="lab_bdn_AmortizationOfStockCompensationCosts_1654F2FB407F0CD2A1F9EF5DA3049AB4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of stock compensation costs</link:label>
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    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A6BA2217DDC50F3362C97989F22E0E72_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A6BA2217DDC50F3362C97989F22E0E72" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of period</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_A6BA2217DDC50F3362C97989F22E0E72" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_A6BA2217DDC50F3362C97989F22E0E72" xlink:type="arc" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_026E42B5A28DC255F16F7989FEA68DE7_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_026E42B5A28DC255F16F7989FEA68DE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment by Type [Axis]</link:label>
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