CombiMatrix POS AM Prospectus update (post-effective amendment)

EXHIBIT 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in Post Effective Amendment No. 1 to this Registration Statement on Form S-3 of our report dated March 12, 2007 relating to the consolidated financial statements and financial statement schedule which appears in CombiMatrix Corporation’s Annual Report on Form 10-K for the year ended December 31, 2007.  We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PRICEWATERHOUSECOOPERS LLP

Seattle, Washington

September 24, 2008