<ACCESSION-NUMBER>0001193125-18-105971 <TYPE>DEFA14A <PUBLIC-DOCUMENT-COUNT>6 <FILING-DATE>20180403 <DATE-OF-FILING-DATE-CHANGE>20180403 <EFFECTIVENESS-DATE>20180403 <FILER> <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> <FILING-VALUES> <FORM-TYPE>DEFA14A <ACT>34 <FILE-NUMBER>001-09106 <FILM-NUMBER>18732564 </FILING-VALUES> <BUSINESS-ADDRESS> <STREET1>2929 WALNUT STREET <STREET2>SUITE 1700 <CITY>PHILADELPHIA <STATE>PA <ZIP>19104 <PHONE>6103255600 </BUSINESS-ADDRESS> <MAIL-ADDRESS> <STREET1>2929 WALNUT STREET <STREET2>SUITE 1700 <CITY>PHILADELPHIA <STATE>PA <ZIP>19104 </MAIL-ADDRESS> <FORMER-COMPANY> <FORMER-CONFORMED-NAME>LINPRO SPECIFIED PROPERTIES <DATE-CHANGED>19920703 </FORMER-COMPANY> </FILER>