CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
Published on March 26, 2010
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption Experts and to the use of our report dated February 26, 2010 in Amendment No. 5 to the Registration Statement (Form S-1 No. 333-164044) and related Prospectus of Codexis, Inc. for the registration of its common stock.
/s/ Ernst & Young LLP
Palo Alto, California
March 26, 2010