EX-23.1 4 a2191487zex-23_1.htm EXHIBIT 23.1
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Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-143366, 333-38858 and 333-67297) of AXT, Inc. of our reports dated March 31, 2009 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting, which appear in this Form 10-K.

/s/ Burr, Pilger & Mayer LLP

San Jose, California
March 31, 2009



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