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  <xsd:element id="pdm_PaymentsOfDividendsCommonStockAndDiscountOnDividendReinvestments" name="PaymentsOfDividendsCommonStockAndDiscountOnDividendReinvestments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="pdm_PercentOfOwnershipInterestInRealEstatePropertyDisposal" name="PercentOfOwnershipInterestInRealEstatePropertyDisposal" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdm_Piedmont500WMonroeFeeLlcMember" name="Piedmont500WMonroeFeeLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_RealEstateInvestmentTrustStatusRequiredTaxableIncomeDistributionRate" name="RealEstateInvestmentTrustStatusRequiredTaxableIncomeDistributionRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_RealEstatePropertiesByTypeAxis" name="RealEstatePropertiesByTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_RealEstatePropertiesLeasedPercent" name="RealEstatePropertiesLeasedPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdm_RealEstatePropertiesTypeDomain" name="RealEstatePropertiesTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_RealEstatePropertyDisposalSalePrice" name="RealEstatePropertyDisposalSalePrice" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdm_RedeemableCommonStockMember" name="RedeemableCommonStockMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_RedeemableCommonStockValue" name="RedeemableCommonStockValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_ScheduleOfDebtInstrumentsTable" name="ScheduleOfDebtInstrumentsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_ScheduleOfLettersOfCreditTableTextBlock" name="ScheduleOfLettersOfCreditTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_SecuredPooledFacilityMember" name="SecuredPooledFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAmortizationOfNonvestedShares" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAmortizationOfNonvestedShares" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestPercentAtReportedDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpectedToVestPercentAtReportedDate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsNetOnReportedDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsNetOnReportedDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="pdm_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedPercentAtReportedDate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedPercentAtReportedDate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdm_SharesInTrustAuthorized" name="SharesInTrustAuthorized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="pdm_SharesInTrustOutstanding" name="SharesInTrustOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="pdm_SquareFootageOfRentableRealEstateProperty" name="SquareFootageOfRentableRealEstateProperty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdm_StockAwards1GrantedMay242010Member" name="StockAwards1GrantedMay242010Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_StockAwards2GrantedMay242010Member" name="StockAwards2GrantedMay242010Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_StockAwardsGrantedApril52011Member" name="StockAwardsGrantedApril52011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_StockAwardsGrantedMay62009Member" name="StockAwardsGrantedMay62009Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_StockAwardsMember" name="StockAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_StockBasedCompensationAbstract" name="StockBasedCompensationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_SuwaneeGatewayOneLlcMember" name="SuwaneeGatewayOneLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_Unsecured250MillionTermLoanMember" name="Unsecured250MillionTermLoanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_Unsecured500MillionFacilityMember" name="Unsecured500MillionFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_VariableInterestEntitiesAbstract" name="VariableInterestEntitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdm_VariableInterstEntityCashFlowPercentEntitledToEntity" name="VariableInterstEntityCashFlowPercentEntitledToEntity" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdm_WMonroeBuilding500Member" name="WMonroeBuilding500Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdm_WdcMortgageNotesMember" name="WdcMortgageNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>