<SUBMISSION>
<ACCESSION-NUMBER>0000950116-03-002809
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20030520
<FILING-DATE>20030520
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>NICHOLS ANTHONY A SR
<CIK>0001188143
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-09106
<FILM-NUMBER>03713232
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>401 PLYMOUTH ROAD
<STREET2>SUITE 500
<CITY>PLYMOUTH MEETING
<STATE>PA
<ZIP>19462
<PHONE>6103255600
</BUSINESS-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>BRANDYWINE REALTY TRUST
<CIK>0000790816
<ASSIGNED-SIC>6798
<IRS-NUMBER>232413352
<STATE-OF-INCORPORATION>MD
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>14 CAMPUS BLVD
<STREET2>STE 100
<CITY>NEWTOWN SQUARE
<STATE>PA
<ZIP>19073
<PHONE>6103255600
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>TWO GREENTREE CENTRE
<STREET2>SUITE 100
<CITY>MARLTON
<STATE>NJ
<ZIP>08053
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>LINPRO SPECIFIED PROPERTIES
<DATE-CHANGED>19920703
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>BRANDYWINE REALTY - FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-05-20</periodOfReport>

    <issuer>
        <issuerCik>0000790816</issuerCik>
        <issuerName>BRANDYWINE REALTY TRUST</issuerName>
        <issuerTradingSymbol>BDN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001188143</rptOwnerCik>
            <rptOwnerName>NICHOLS ANTHONY A SR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>

            <otherText>Chairman of the Board</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>


    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Shares of Beneficial Interest</value>

        </securityTitle>
        <transactionDate>
            <value>2003-05-19</value>

        </transactionDate>
        <deemedExecutionDate>
            <value>2003-05-19</value>

        </deemedExecutionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>

        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>9200</value>

            </transactionShares>
            <transactionValue>
                <value>23.50</value>

            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>

            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>0</value>

            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>

            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>Family Limited Partnership</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>
    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Shares of Beneficial Interest</value>

        </securityTitle>
        <transactionDate>
            <value>2003-05-19</value>

        </transactionDate>
        <deemedExecutionDate>
            <value>2003-05-19</value>

        </deemedExecutionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>

        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>800</value>

            </transactionShares>
            <transactionValue>
                <value>23.65</value>

            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>

            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>0</value>

            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>

            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>Family Limited Partnership</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>
    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Shares of Beneficial Interest</value>

        </securityTitle>
        <transactionDate>
            <value>2003-05-20</value>

        </transactionDate>
        <deemedExecutionDate>
            <value>2003-05-20</value>

        </deemedExecutionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>

        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>100</value>

            </transactionShares>
            <transactionValue>
                <value>23.76</value>

            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>

            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>0</value>

            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>

            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>Family Limited Partnership</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>
    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Shares of Beneficial Interest</value>

        </securityTitle>
        <transactionDate>
            <value>2003-05-20</value>

        </transactionDate>
        <deemedExecutionDate>
            <value>2003-05-20</value>

        </deemedExecutionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>S</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>

        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>4900</value>

            </transactionShares>
            <transactionValue>
                <value>23.62</value>

            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>

            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>154845</value>

            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>I</value>

            </directOrIndirectOwnership>
            <natureOfOwnership>
                <value>Family Limited Partnership</value>
            </natureOfOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>
    <nonDerivativeSecurity>
        <securityTitle>
            <value>Common Shares of Beneficial Interest</value>

        </securityTitle>
        <transactionDate>
            <value>2003-05-20</value>

        </transactionDate>
        <deemedExecutionDate>
            <value>2003-05-20</value>

        </deemedExecutionDate>
        <transactionCoding>
            <transactionFormType>4</transactionFormType>
            <transactionCode>J</transactionCode>
            <equitySwapInvolved>0</equitySwapInvolved>
            <footnoteId id="F1"/>
        </transactionCoding>
        <transactionAmounts>
            <transactionShares>
                <value>0</value>

            </transactionShares>
            <transactionValue>
                <value>0.00</value>

            </transactionValue>
            <transactionAcquiredDisposedCode>
                <value>D</value>

            </transactionAcquiredDisposedCode>
        </transactionAmounts>
        <postTransactionAmounts>
            <sharesOwnedFollowingTransaction>
                <value>137308</value>

            </sharesOwnedFollowingTransaction>
        </postTransactionAmounts>
        <ownershipNature>
            <directOrIndirectOwnership>
                <value>D</value>

            </directOrIndirectOwnership>
        </ownershipNature>
    </nonDerivativeSecurity>


    <footnotes>
        <footnote id="F1">There was no direct transaction on the above date. The direct ownership is disclosed for information purposes only.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Anthony A. Nichols, Sr.</signatureName>
        <signatureDate>2003-05-20</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
