UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

Amendment No. 1

(Mark One)

x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2009

o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number: 0-32259

Align Technology, Inc.

(Exact name of registrant as specified in its charter)

Delaware		94-3267295
(State or other jurisdiction of		(I.R.S. Employer
incorporation or organization)		Identification Number)

881 Martin Avenue

Santa Clara, California 95050

(Address of principal executive offices)

(408) 470-1000

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes x No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes o No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See definitions of “large accelerated filer,” “accelerated filer,” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer x		Accelerated filer o

Non-accelerated filer o		Smaller reporting company o
(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No x

The number of shares outstanding of the registrant’s Common Stock, $0.0001 par value, as of October 30, 2009 was 74,461,321.

EXPLANATORY NOTE

The registrant has prepared this Amendment No. 1 to its Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2009 (the “Form 10-Q”) for the purpose of re-filing Exhibits 10.1 and 10.3 to the Form 10-Q. No other changes have been made to the Form 10-Q. This Amendment No. 1 to the Form 10-Q speaks as of the original filing date and has not been updated to reflect events occurring after the original filing date.

ITEM 6. EXHIBITS

(a) Exhibits:

Exhibit Number	Description	Filing	Date	Exhibit Number	Filed herewith

10.1	Settlement Agreement dated as if August 16, 2009 between Align Technology, Inc. and Ormco Corporation.				*

10.2	Stock Purchase Agreement dated as of the 16th day of August by and between Align Technology, Inc. and Danaher Corporation.	Form 10-Q	11/05/2009	10.2

10.3†	Joint Development, Marketing and Sales Agreement entered in as of August 16, 2009 by and between Align Technology, Inc. and Ormco Corporation.				*

31.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				*

31.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				*

32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.	Form 10-Q	11/05/2009	32.1

† Portions of the exhibit have been omitted pursuant to a request for confidential treatment. The confidential portions have been filed with the SEC.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Date: February 24, 2010	ALIGN TECHNOLOGY, INC.

	By:	/s/ Thomas M. Prescott
		Thomas M. Prescott
		President and Chief Executive Officer

	By:	/s/ Kenneth B. Arola
		Kenneth B. Arola
		Chief Financial Officer and Vice President, Finance

EXHIBIT INDEX

Exhibit Number	Description	Filing	Date	Exhibit Number	Filed herewith

10.1	Settlement Agreement dated as if August 16, 2009 between Align Technology, Inc. and Ormco Corporation.				*

10.2	Stock Purchase Agreement dated as of the 16th day of August by and between Align Technology, Inc. and Danaher Corporation.	Form 10-Q	11/05/2009	10.2

10.3†	Joint Development, Marketing and Sales Agreement entered in as of August 16, 2009 by and between Align Technology, Inc. and Ormco Corporation.				*

31.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				*

31.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.				*

32.1	Certification of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.	Form 10-Q	11/05/2009	32.1

† Portions of the exhibit have been omitted pursuant to a request for confidential treatment. The confidential portions have been filed with the SEC.