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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-09-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001421907</issuerCik>
        <issuerName>Trident Brands Inc</issuerName>
        <issuerTradingSymbol>TDNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001705644</rptOwnerCik>
            <rptOwnerName>Fengate Trident LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2275 UPPER MIDDLE ROAD EAST, SUITE 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKVILLE</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>L6H 0C3</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001705720</rptOwnerCik>
            <rptOwnerName>Fengate Trident GP Inc.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2275 UPPER MIDDLE ROAD EAST, SUITE 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKVILLE</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>L6H 0C3</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001705835</rptOwnerCik>
            <rptOwnerName>Fengate Capital Management Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2275 UPPER MIDDLE ROAD EAST, SUITE 700</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>OAKVILLE</rptOwnerCity>
            <rptOwnerState>A6</rptOwnerState>
            <rptOwnerZipCode>L6H 0C3</rptOwnerZipCode>
            <rptOwnerStateDescription>ONTARIO, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2017-09-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>811886.44</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>605667.28</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2811886.44</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Payment for the acquired common stock (the &quot;Common Stock&quot;) was made in the form of the transfer of ownership to the issuer of the Common Stock (the &quot;Issuer&quot;) by Fengate Trident LP (the &quot;Purchaser&quot;) of a Convertible Promissory Note dated January 22, 2016, originally entered into between Mycell Technologies LLC and LPF (MCTECH) Investment Corporation (&quot;LPF&quot;) and later transferred and assigned by LPF to the Purchaser. The note's outstanding principal amount is $511,141.17 and its accrued but unpaid interest as of September 12, 2017 is $94,526.11.</footnote>
        <footnote id="F2">Fengate Trident LP is a private investment limited partnership that may be deemed the direct beneficial owner of the securities referred to herein.  Fengate Capital Management Ltd. is the investment manager to and Fengate Trident GP, Inc. is the general partner of Fengate Trident LP.  Each of the Reporting Persons disclaims beneficial ownership of the securities referred to herein except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Fengate Trident LP, By: /s/Heather Crawford, Name: Heather Crawford, Title: Secretary of Fengate Trident GP, the General Partner of Fengate Trident LP</signatureName>
        <signatureDate>2017-09-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Fengate Trident GP Inc., By: /s/Heather Crawford, Name: Heather Crawford, Title: Secretary</signatureName>
        <signatureDate>2017-09-14</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Fengate Capital Management Inc., By: /s/Heather Crawford, Name: Heather Crawford, Title: Secretary</signatureName>
        <signatureDate>2017-09-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
