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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                    FORM 8-K

                             CURRENT REPORT PURSUANT
                          TO SECTION 13 OR 15(D) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

         Date of report (Date of earliest event reported) July 25, 2006

                             ALIGN TECHNOLOGY, INC.
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             (Exact Name of Registrant as Specified in Its Charter)

                                    Delaware
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                 (State or Other Jurisdiction of Incorporation)

                       0-32259                                94-3267295
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                     (Commission                             (IRS Employer
                     File Number)                         Identification No.)

      881 Martin Avenue, Santa Clara, California                 95050
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       (Address of Principal Executive Offices)               (Zip Code)

                                 (408) 470-1000
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              (Registrant's Telephone Number, Including Area Code)

                                 Not applicable
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          (Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 8.01    OTHER EVENTS

     On August 7, 2006, Align Technology, Inc. ("Align") announced that the
United States Patent and Trademark Office has recently issued official actions
in Reexamination proceedings relating to Align's US Patent Nos. 6,309,215 and
6,217,325. The full text of the press release is attached hereto as Exhibit
99.1.

ITEM 9.01.   FINANCIAL STATEMENTS AND EXHIBITS

       (d)   Exhibits.

EXHIBIT NO.  DESCRIPTION
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   99.1      Press Release of Align Technology, Inc. dated August 7, 2006



                                   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 hereunto duly authorized.

Dated: August 7, 2006                     ALIGN TECHNOLOGY, INC.


                                          By:  /s/ Roger E. George
                                               ---------------------------------
                                               Roger E. George
                                               Vice President of Corporate and
                                               Legal Affairs and General Counsel



                                INDEX TO EXHIBITS

EXHIBIT NO.     DESCRIPTION
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   99.1         Press Release of Align Technology, Inc. dated August 7, 2006