<SEC-DOCUMENT>0000899243-17-005082.txt : 20170223
<SEC-HEADER>0000899243-17-005082.hdr.sgml : 20170223
<ACCEPTANCE-DATETIME>20170223160612
ACCESSION NUMBER:		0000899243-17-005082
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170220
FILED AS OF DATE:		20170223
DATE AS OF CHANGE:		20170223

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALIGN TECHNOLOGY INC
		CENTRAL INDEX KEY:			0001097149
		STANDARD INDUSTRIAL CLASSIFICATION:	ORTHOPEDIC, PROSTHETIC & SURGICAL APPLIANCES & SUPPLIES [3842]
		IRS NUMBER:				943267295
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2560 ORCHARD PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
		BUSINESS PHONE:		4087381500

	MAIL ADDRESS:	
		STREET 1:		2560 ORCHARD PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tay Julie
		CENTRAL INDEX KEY:			0001649020

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32259
		FILM NUMBER:		17632481

	MAIL ADDRESS:	
		STREET 1:		ALIGN TECHNOLOGY, INC.
		STREET 2:		2560 ORCHARD PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95131
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2017-02-20</periodOfReport>

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        <issuerName>ALIGN TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>ALGN</issuerTradingSymbol>
    </issuer>

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        <reportingOwnerId>
            <rptOwnerCik>0001649020</rptOwnerCik>
            <rptOwnerName>Tay Julie</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ALIGN TECHNOLOGY INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2560 ORCHARD PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Asia Pacific</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
            </securityTitle>
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            <transactionTimeliness>
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            </transactionTimeliness>
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                    <value>1480</value>
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                <transactionPricePerShare>
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            </transactionTimeliness>
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                </transactionShares>
                <transactionPricePerShare>
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                </underlyingSecurityShares>
            </underlyingSecurity>
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                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
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            </deemedExecutionDate>
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                <transactionPricePerShare>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Market Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0001</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-02-20</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2017-02-20</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>12400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F7"/>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
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                <sharesOwnedFollowingTransaction>
                    <value>12400</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents par value of ALGN common stock.</footnote>
        <footnote id="F2">1/4th of the restricted stock unit granted on February 20, 2014 became vested on February 20, 2017 and shares were delivered to reporting person on February 21, 2017.  The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.</footnote>
        <footnote id="F3">2/3rd of the restricted stock unit granted on February 20, 2014 became vested on February 20, 2017 and shares were delivered to reporting person on February 21, 2017.</footnote>
        <footnote id="F4">1/4th of the restricted stock unit granted on February 20, 2015 became vested on February 20, 2017 and shares were delivered to reporting person on February 22, 2017.  The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.</footnote>
        <footnote id="F5">1/4th of the restricted stock unit granted on February 20, 2016 became vested on February 20, 2017 and shares were delivered to reporting person on February 22, 2017.  The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.</footnote>
        <footnote id="F6">1/4th of the restricted stock unit granted on February 20, 2017 will become vested on February 20, 2018 and shares were delivered to reporting person on such vest date.  The restricted stock unit will continue to vest annually and shares will be delivered to reporting person on each vest date.</footnote>
        <footnote id="F7">Represents the maximum number of shares which may be issued under the market stock unit.  All of the shares which may be issued under the market stock unit will vest on the last day of the third year of the Performance Period (as defined in the market stock unit agreement).</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Roger E. George Atty-In-Fact for Julie Tay</signatureName>
        <signatureDate>2017-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
