<SEC-DOCUMENT>0000899243-19-004546.txt : 20190222
<SEC-HEADER>0000899243-19-004546.hdr.sgml : 20190222
<ACCEPTANCE-DATETIME>20190222160716
ACCESSION NUMBER:		0000899243-19-004546
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190220
FILED AS OF DATE:		20190222
DATE AS OF CHANGE:		20190222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hockridge Stuart A
		CENTRAL INDEX KEY:			0001675043

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-32259
		FILM NUMBER:		19625753

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

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:		2820 ORCHARD PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		408-470-1000

	MAIL ADDRESS:	
		STREET 1:		2820 ORCHARD PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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    <periodOfReport>2019-02-20</periodOfReport>

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        <issuerName>ALIGN TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>ALGN</issuerTradingSymbol>
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            <rptOwnerName>Hockridge Stuart A</rptOwnerName>
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            <rptOwnerStreet1>C/O ALIGN TECHNOLOGY INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2820 ORCHARD PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>SAN JOSE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>95131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP Global HR</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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                    <value>2084</value>
                </transactionShares>
                <transactionPricePerShare>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Market Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0001</value>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
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                <value>2019-02-20</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10418</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
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            <expirationDate>
                <footnoteId id="F6"/>
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                    <value>10418</value>
                </sharesOwnedFollowingTransaction>
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    <footnotes>
        <footnote id="F1">Includes 241 shares acquired under the ALGN ESPP on January 31, 2019.</footnote>
        <footnote id="F2">Represents par value of ALGN common stock.</footnote>
        <footnote id="F3">1/4th of the restricted stock unit granted on February 20, 2017 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.  1/4th of the restricted stock unit will vest annually thereafter and shares will be delivered to reporting person on each vest date.</footnote>
        <footnote id="F4">1/4th of the restricted stock unit granted on February 20, 2018 became vested on February 20, 2019 and shares were delivered to reporting person on such vest date.  1/4th of the restricted stock unit will vest annually thereafter 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, 2019 will become vested on February 20, 2020 and shares will be 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="F6">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 Stuart Hockridge</signatureName>
        <signatureDate>2019-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
