<SEC-DOCUMENT>0001209191-21-030924.txt : 20210507
<SEC-HEADER>0001209191-21-030924.hdr.sgml : 20210507
<ACCEPTANCE-DATETIME>20210507163608
ACCESSION NUMBER:		0001209191-21-030924
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210505
FILED AS OF DATE:		20210507
DATE AS OF CHANGE:		20210507

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RICHARDSON JAMES T
		CENTRAL INDEX KEY:			0001217193

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34108
		FILM NUMBER:		21903421

	MAIL ADDRESS:	
		STREET 1:		01396 SW MILITARY ROAD
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97219

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Digimarc CORP
		CENTRAL INDEX KEY:			0001438231
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
		IRS NUMBER:				262828185
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9405 SW GEMINI DRIVE
		CITY:			BEAVERTON
		STATE:			OR
		ZIP:			97008
		BUSINESS PHONE:		503-469-4618

	MAIL ADDRESS:	
		STREET 1:		9405 SW GEMINI DRIVE
		CITY:			BEAVERTON
		STATE:			OR
		ZIP:			97008

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	DMRC CORP
		DATE OF NAME CHANGE:	20080620
</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>2021-05-05</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001438231</issuerCik>
        <issuerName>Digimarc CORP</issuerName>
        <issuerTradingSymbol>DMRC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217193</rptOwnerCik>
            <rptOwnerName>RICHARDSON JAMES T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9405 SW GEMINI DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BEAVERTON</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97008</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-05-05</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2021-05-05</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3305</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44441</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person transferred 37,304 shares of Digimarc's common stock to his former spouse effective June 2020 pursuant to a domestic relations order. The reporting person no longer reports as beneficially owned any securities owned by his former spouse. The reporting person's ownership report filed on December 28, 2020 did not reflect the effect of this reduction in the reporting person's holdings.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Robert Chamness for James Richardson</signatureName>
        <signatureDate>2021-05-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
