Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the use in this Amendment No. 2 to Registration Statement on Form S-1 of our report dated April 13, 2012 relating to the consolidated financial statements of Hyperion Therapeutics, Inc., which appears in such Registration Statement. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
San Jose, California
June 18, 2012