<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-12-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000771266</issuerCik>
        <issuerName>KOPIN CORP</issuerName>
        <issuerTradingSymbol>KOPN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000903846</rptOwnerCik>
            <rptOwnerName>FAN JOHN C C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O KOPIN CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>125 NORTH DRIVE</rptOwnerStreet2>
            <rptOwnerCity>WESTBOROUGH</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>01581</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO &amp; President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>260000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4469769</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
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            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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            <transactionTimeliness>
                <value></value>
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                </transactionShares>
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                </transactionPricePerShare>
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                </transactionAcquiredDisposedCode>
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                </directOrIndirectOwnership>
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                <value></value>
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                <transactionShares>
                    <value>640000</value>
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                    <value>0.00</value>
                </transactionPricePerShare>
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                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>4809769</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2017-12-31</value>
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                <transactionFormType>4</transactionFormType>
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                <value></value>
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                    <value>4959769</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-12-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>G</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>150000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>5109769</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On September 12, 2011 the Kopin Corporation's Compensation Committee implemented an incentive plan comprised of 260,000 shares of restricted stock which were to vest at the end of the first 10 consecutive trading day period following the grant date during which Kopin Corporation's common stock trades at a price per share equal to or greater than $5.25. In addition, Dr. Fan was to receive the cash value of 380,000 shares of Kopin Corporation's common stock on the date the 260,000 shares of restricted stock vested. On February 13, 2015 the period to achieve the $5.25 stock price milestone was extended until December 31, 2017 to coincide with Dr. Fan's employment agreement.</footnote>
        <footnote id="F2">(continued from footnote 1) On May 9, 2015 The Kopin Corporation's Compensation Committee implemented an incentive plan comprised of 150,000 and 150,000 shares of restricted stock which were to vest at the end of the first 10 consecutive trading day period following the grant date during which Kopin Corporation's common stock trades at a price per share equal to or greater than $6.00 and $7.00, respectively. All these grants were forfeited on December 31, 2017.</footnote>
        <footnote id="F3">On December 31, 2017 the Kopin Corporation's Compensation Committee implemented an incentive plan comprised of 640,000, 150,000 and 150,000 shares of restricted stock which are to vest at the end of the first 20 consecutive trading day period following the grant date during which Kopin Corporation's common stock trades at a price per share equal to or greater than $5.25, $6.00 and $7.00, respectively. The period to achieve the stock price milestones are from January 1, 2018 through December 31, 2020.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ John J. Concannon, as Attorney-in-fact</signatureName>
        <signatureDate>2018-01-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
