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      <link:roleType roleURI="http://brandywinerealty.com/role/PartnersEquityOfOperatingPartnership" id="PartnersEquityOfOperatingPartnership">
        <link:definition>0213 - Disclosure - Partners Equity of The Operating Partnership</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/BeneficiariesEquityOfParentCompany" id="BeneficiariesEquityOfParentCompany">
        <link:definition>0212 - Disclosure - Beneficiaries Equity of the Parent Company</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/NonControllingInterestsInParentCompany" id="NonControllingInterestsInParentCompany">
        <link:definition>0211 - Disclosure - Non Controlling Interests in The Parent Company</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfCashFlowsParenthetical" id="StatementsOfCashFlowsParenthetical">
        <link:definition>0151 - Statement - Consolidated Statements of Cash Flows (Unaudited) (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>00 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfShareholdersEquityParenthetical" id="StatementsOfShareholdersEquityParenthetical">
        <link:definition>0141 - Statement - Consolidated Statements of Beneficiaries' Equity (Unaudited) (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/BalanceSheet" id="BalanceSheet">
        <link:definition>0110 - Statement - Consolidated Balance Sheets</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfCashFlows" id="StatementsOfCashFlows">
        <link:definition>0150 - Statement - Consolidated Statements of Cash Flows (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
        <link:definition>0111 - Statement - Consolidated Balance Sheets (Parenthetical)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfEquity" id="StatementsOfEquity">
        <link:definition>0140 - Statement - Consolidated Statements of Beneficiaries' Equity (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfOtherComprehensiveIncome" id="StatementsOfOtherComprehensiveIncome">
        <link:definition>0130 - Statement - Consolidated Statements of Comprehensive Income (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/StatementsOfOperations" id="StatementsOfOperations">
        <link:definition>0120 - Statement - Consolidated Statements of Operations (Unaudited)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/SubsequentEvents" id="SubsequentEvents">
        <link:definition>0218 - Disclosure - Subsequent Events</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/CommitmentsAndContingencies" id="CommitmentsAndContingencies">
        <link:definition>0217 - Disclosure - Commitments and Contingencies</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/SegmentInformation" id="SegmentInformation">
        <link:definition>0216 - Disclosure - Segment Information</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/TaxCreditTransactions" id="TaxCreditTransactions">
        <link:definition>0215 - Disclosure - Tax Credit Transactions</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/ShareBasedAndDeferredCompensation" id="ShareBasedAndDeferredCompensation">
        <link:definition>0214 - Disclosure - Share Based and Deferred Compensation</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>0210 - Disclosure - Discontinued Operations</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/RiskManagementAndUseOfFinancialInstruments" id="RiskManagementAndUseOfFinancialInstruments">
        <link:definition>0209 - Disclosure - Risk Management and Use of Financial Instruments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/FairValueOfFinancialInstruments" id="FairValueOfFinancialInstruments">
        <link:definition>0208 - Disclosure - Fair Value of Financial Instruments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/DebtObligations" id="DebtObligations">
        <link:definition>0207 - Disclosure - Debt Obligations</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/IntangibleAssets" id="IntangibleAssets">
        <link:definition>0206 - Disclosure - Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/DeferredCosts" id="DeferredCosts">
        <link:definition>0205 - Disclosure - Deferred Costs</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/InvestmentInUnconsolidatedVentures" id="InvestmentInUnconsolidatedVentures">
        <link:definition>0204 - Disclosure - Investment in Unconsolidated Ventures</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://brandywinerealty.com/role/RealEstateInvestments" id="RealEstateInvestments">
        <link:definition>0203 - Disclosure - Real Estate Investments</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>0202 - Disclosure - Summary of Significant Accounting Policies</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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  <element id="bdn_MidlanticDrivelenoxDrivedccIMember" name="MidlanticDrivelenoxDrivedccIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_ResearchOfficeCenterMember" name="ResearchOfficeCenterMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_ConcordAirportPlazaMember" name="ConcordAirportPlazaMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NewtownSquareberwynParklibertyviewMember" name="NewtownSquareberwynParklibertyviewMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_TysonsCornerMember" name="TysonsCornerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_TwoLoganSquareMember" name="TwoLoganSquareMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_IrsPhiladelphiaCampusMember" name="IrsPhiladelphiaCampusMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_CiraSouthGarageMember" name="CiraSouthGarageMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_BankTermLoanMember" name="BankTermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_CreditFacilityMember" name="CreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_NoteThreeMember" name="NoteThreeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NoteFourMember" name="NoteFourMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NoteFiveMember" name="NoteFiveMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NoteSixMember" name="NoteSixMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NoteSevenMember" name="NoteSevenMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_IndentureIbPreferredTrustIMember" name="IndentureIbPreferredTrustIMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_IndentureIiPreferredTrustIiMember" name="IndentureIiPreferredTrustIiMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_PaymentOfExtensionFeeEqualToAmountUnderCreditFacility" name="PaymentOfExtensionFeeEqualToAmountUnderCreditFacility" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_DebtDiscountWriteOffsResultingFromDebtRepurchases" name="DebtDiscountWriteOffsResultingFromDebtRepurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
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  <element id="bdn_SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" name="SecuredDebtPrincipalBalanceOutstandingFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
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  <element id="bdn_NewMarketsTaxCreditTransactionMember" name="NewMarketsTaxCreditTransactionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" name="IfCompanyTakesFeeTitleToTwoLoganSquareUponForeclosureOfItsMortgageCompanyHasAgreedToPayUnaffiliatedThirdPartyThatHoldsResidualInterestInFeeOwnerOfThisProperty" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
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  <element id="bdn_IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" name="IncreaseInSharesDueToAmendmentsInPlanSharesSolelyAvailableForOptionsAndShareAppreciationRights" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
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  <element id="bdn_LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" name="LossFromContinuingOperationsAvailableToCommonUnitholdersDiluted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
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  <element id="bdn_MarketPriceOfSharesOnAcquisitionDate" name="MarketPriceOfSharesOnAcquisitionDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
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  <element id="bdn_IncomeLossFromDiscontinuedOperationsDiluted" name="IncomeLossFromDiscontinuedOperationsDiluted" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="bdn_AverageSalesPricePerShare" name="AverageSalesPricePerShare" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_PhiladelphiaCbdMember" name="PhiladelphiaCbdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_MetropolitanDcMember" name="MetropolitanDcMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="bdn_IncreaseInRevenueDueToAmortizationOfDeferredRent" name="IncreaseInRevenueDueToAmortizationOfDeferredRent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="bdn_DistributionPaidForCommonPartnershipUnitholders" name="DistributionPaidForCommonPartnershipUnitholders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="bdn_PercentageOfInterestByOtherPartnerInAcquiredPartnership" name="PercentageOfInterestByOtherPartnerInAcquiredPartnership" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_ConsiderationReceivedInAnticipationOfRealEstateVentureFormation" name="ConsiderationReceivedInAnticipationOfRealEstateVentureFormation" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued" name="BusinessAcquisitionEquityInterestIssuedOrIssuableNumberOfUnitsIssued" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_PercentageOfPrincipalAmountOfNotesToBeRedeemed" name="PercentageOfPrincipalAmountOfNotesToBeRedeemed" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_CashReceivedAsRevenue" name="CashReceivedAsRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="bdn_AggregateApproximateAreaOfOfficeBuildings" name="AggregateApproximateAreaOfOfficeBuildings" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_DistributableIncomeMinimumPercentage" name="DistributableIncomeMinimumPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_MaximumPercentageOfParticipantsBaseUnits" name="MaximumPercentageOfParticipantsBaseUnits" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_AgeLimitOfVoluntaryTerminationOfEmployment" name="AgeLimitOfVoluntaryTerminationOfEmployment" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_AccumulatedServicePeriodForVoluntaryTermination" name="AccumulatedServicePeriodForVoluntaryTermination" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_AmountOfParticipantContribution" name="AmountOfParticipantContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="bdn_PercentageOfPlanContribution" name="PercentageOfPlanContribution" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_PercentageOfTaxCreditRecapture" name="PercentageOfTaxCreditRecapture" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_PercentageOfQualifiedInvestments" name="PercentageOfQualifiedInvestments" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_MinimumAmountOfAnnualRentalPayment" name="MinimumAmountOfAnnualRentalPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="bdn_MinimumAmountOfAnnualRentalPayments" name="MinimumAmountOfAnnualRentalPayments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="bdn_HistoricTaxCreditTransactionIncome" name="HistoricTaxCreditTransactionIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="bdn_NumberOfSharesSoldByCompany" name="NumberOfSharesSoldByCompany" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_OutstandingPurchaseMoneyMortgage" name="OutstandingPurchaseMoneyMortgage" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="bdn_BusinessAcquisitionPurchasePriceAllocatedToMarketLeaseLiabilities" name="BusinessAcquisitionPurchasePriceAllocatedToMarketLeaseLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="bdn_BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" name="BusinessAcquisitionPurchasePriceAllocationIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="bdn_RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses" name="RecognitionOfCashReceivedAsRevenueNetOfAllocatedExpenses" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_InitialMaturityDate" name="InitialMaturityDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_DebtInstrumentMaturityDates" name="DebtInstrumentMaturityDates" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_SubsequentEventsDetailsTextualsAbstract" name="SubsequentEventsDetailsTextualsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_DistributionDeclaredPerCommonPartnershipUnit" name="DistributionDeclaredPerCommonPartnershipUnit" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_AmountReceivedFromContribution" name="AmountReceivedFromContribution" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="bdn_PurchaseMoneyMortgageLoanRepaymentsTerms" name="PurchaseMoneyMortgageLoanRepaymentsTerms" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_NotesReceivableObtainedFromThirdPartyDate" name="NotesReceivableObtainedFromThirdPartyDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_BusinessAcquisitionPurchasePriceAllocationBuilding" name="BusinessAcquisitionPurchasePriceAllocationBuilding" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="bdn_BusinessAcquisitionPurchasePriceAllocationOtherAssets" name="BusinessAcquisitionPurchasePriceAllocationOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" />
  <element id="bdn_BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed" name="BusinessAcquisitionPurchasePriceAllocationOtherLiabilitiesAssumed" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" />
  <element id="bdn_AggregateSquareFootageOfPropertiesSold" name="AggregateSquareFootageOfPropertiesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_AggregateSalePriceOfPropertiesSold" name="AggregateSalePriceOfPropertiesSold" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="bdn_PercentageOccupancyOfPropertiesSold" name="PercentageOccupancyOfPropertiesSold" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="bdn_NumberOfOfficePropertiesSold" name="NumberOfOfficePropertiesSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_FiveGreentreeCentreMember" name="FiveGreentreeCentreMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="bdn_LakeCenterTwoMember" name="LakeCenterTwoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
</schema>
