<SEC-DOCUMENT>0001097149-22-000022-index.html : 20220712
<SEC-HEADER>0001097149-22-000022.hdr.sgml : 20220712
<ACCEPTANCE-DATETIME>20220421101049
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001097149-22-000022
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20220421

FILER:

	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

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		410 NORTH SCOTTSDALE ROAD, SUITE 1300
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85281
		BUSINESS PHONE:		408-470-1000

	MAIL ADDRESS:	
		STREET 1:		410 NORTH SCOTTSDALE ROAD, SUITE 1300
		CITY:			TEMPE
		STATE:			AZ
		ZIP:			85281
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

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<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>sec1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: sec1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>sec2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: sec2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>sec3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: sec3.jpg

</DOCUMENT>
</SEC-DOCUMENT>