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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-01-12</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0001689657</issuerCik>
        <issuerName>Berkeley Lights, Inc.</issuerName>
        <issuerTradingSymbol>BLI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001339189</rptOwnerCik>
            <rptOwnerName>WIIG Communications Management LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001008463</rptOwnerCik>
            <rptOwnerName>TAN LIP BU</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O WIIG COMMUNICATIONS MANAGEMENT</rptOwnerStreet1>
            <rptOwnerStreet2>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001616012</rptOwnerCik>
            <rptOwnerName>WRV-BLI LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001641650</rptOwnerCik>
            <rptOwnerName>WRV-BLI II LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001687537</rptOwnerCik>
            <rptOwnerName>WRV-BLI III LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001817981</rptOwnerCik>
            <rptOwnerName>WRV-BLI IV LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001720734</rptOwnerCik>
            <rptOwnerName>Walden Riverwood GP, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001582026</rptOwnerCik>
            <rptOwnerName>Walden Riverwood Ventures, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001720730</rptOwnerCik>
            <rptOwnerName>WRV GP II, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001640661</rptOwnerCik>
            <rptOwnerName>WRV II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE CALIFORNIA STREET, SUITE 1750</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94111</rptOwnerZipCode>
            <rptOwnerStateDescription></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>2021-01-12</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12276309</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Reflects a pro rata distribution in-kind of the shares formerly held of record by the Reporting Persons to the Reporting Persons' limited partners and or members, as applicable.</footnote>
        <footnote id="F2">Mr. Lip-Bu Tan is the sole director of WIIG Communications Management LLC (&quot;WIIG&quot;) which is the manager of WRV-BLI LLC, WRV-BLI II LLC, WRV-BLI III LLC, and WRV-BLI IV LLC. Michael Marks and Mr. Tan are members of the investment committee of Walden Riverwood GP, LLC (&quot;Walden GP&quot;), which is the general partner of Walden Riverwood Ventures, L.P. Michael Marks, Nicholas Brathwaite, and Lip-Bu Tan are members of the investment committee of WRV GP II, LLC (&quot;WRV GP&quot;) which is the general partner of WRV II, L.P. Messers. Tan, Brathwaite, and Marks, WRV GP, Walden GP, and WIIG disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Lip-Bu Tan</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WIIG Communications Management LLC, By: /s/ Lip-Bu Tan, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV-BLI LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV-BLI II LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV-BLI III LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV-BLI IV LLC, By: WIIG Communications Management LLC, its manager, By: /s/ Lip-Bu Tan, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Walden Riverwood GP, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Walden Riverwood Ventures, L.P., By: Walden Riverwood GP, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV GP II, LLC, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>WRV II, L.P., By: WRV GP II, LLC, its general partner, By: /s/ Stuart Merkadeau, by Power of Attorney for Michael Marks, Managing Director</signatureName>
        <signatureDate>2021-01-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
