<SEC-DOCUMENT>0001209191-16-130111.txt : 20160629
<SEC-HEADER>0001209191-16-130111.hdr.sgml : 20160629
<ACCEPTANCE-DATETIME>20160629174110
ACCESSION NUMBER:		0001209191-16-130111
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20160627
FILED AS OF DATE:		20160629
DATE AS OF CHANGE:		20160629

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BRANDYWINE REALTY TRUST
		CENTRAL INDEX KEY:			0000790816
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232413352
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		555 EAST LANCASTER AVE.
		STREET 2:		SUITE 100
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087
		BUSINESS PHONE:		6103255600

	MAIL ADDRESS:	
		STREET 1:		555 EAST LANCASTER AVE.
		STREET 2:		SUITE 100
		CITY:			RADNOR
		STATE:			PA
		ZIP:			19087

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LINPRO SPECIFIED PROPERTIES
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SWEENEY GERARD H
		CENTRAL INDEX KEY:			0000944673

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09106
		FILM NUMBER:		161739849

	MAIL ADDRESS:	
		STREET 1:		200 BERWYN PARK
		STREET 2:		STE 100
		CITY:			BERWYN
		STATE:			PA
		ZIP:			19312
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-06-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000944673</rptOwnerCik>
            <rptOwnerName>SWEENEY GERARD H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>555 EAST LANCASTER AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>RADNOR</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19087</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Shares of Beneficial Interest</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <transactionDate>
                <value>2016-06-27</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.74</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1072472</value>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares of Beneficial Interest</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>70759</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Family Limited Partnership</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The transaction reported in this Form 4 was made pursuant to a Rule 10b5-1 trading plan, in accordance with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended, and Brandywine Realty Trust's policies regarding stock transactions, including its insider trading policy.</footnote>
        <footnote id="F2">A sale on June 27, 2016, pursuant to a Rule 10b5-1 plan, of an additional 60,000 shares owned indirectly by the reporting person (through the reporting person's family limited partnership) is being reported separately on another Form 4 filed on June 29, 2016.</footnote>
        <footnote id="F3">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.53 to $15.83, inclusive. The reporting person undertakes to provide Brandywine Realty Trust, any security holder of Brandywine Realty Trust, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) to this Form 4.</footnote>
        <footnote id="F4">This filing also reports in the ending balance of shares owned the sum of 2,180.03 additional common shares acquired under the Company's Employee Share Purchase Plan (ESPP). Under the ESPP 1,152.07 shares were acquired on March 8, 2016 at a transaction price of $10.85 per share and 1,027.96 shares were acquired on June 8, 2016 at a transaction price of $12.16 per share.</footnote>
        <footnote id="F5">This filing also reports in the ending balance of shares owned the sum of 522.58 additional common shares acquired under the Company's Dividend Reinvestment Plan (DRIP). Under the DRIP 522.58 shares were acquired on April 21,2016 at a transaction price of $14.17 per share.</footnote>
        <footnote id="F6">This balance reflects a reduction of 60,000 shares from a sale, on June 27, 2016, made pursuant to a previously established 10b5-1 plan and reported separately on another Form 4 filed on June 29, 2016.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gerard H. Sweeney</signatureName>
        <signatureDate>2016-06-29</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
