Patricia K. Yew


Thank you for your interest. Before you communicate with one of our attorneys, please note: Any comments our attorneys share with you are general information and not legal advice. No attorney-client relationship will exist between you or your business and O’Melveny or any of its attorneys unless conflicts have been cleared, our management has given its approval, and an engagement letter has been signed. Meanwhile, you agree: we have no duty to advise you or provide you with legal assistance; you will not divulge any confidences or send any confidential or sensitive information to our attorneys (we are not in a position to keep it confidential and might be required to convey it to our clients); and, you may not use this contact to attempt to disqualify O’Melveny from representing other clients adverse to you or your business. By clicking "accept" you acknowledge receipt and agree to all of the terms of this paragraph and our Disclaimer.


Patricia K. Yew is a highly skilled and cross-disciplined lawyer who has vast experience across a variety of areas including compliance counseling, investigations, litigation, and transactions. She focuses on complex and sensitive internal investigations, inquiries and investigations by federal and state enforcement authorities, and litigation involving alleged violations of the Foreign Corrupt Practices Act, state and federal environmental laws, Anti-Kickback Statute, civil False Claims Act, state and federal privacy laws, and consumer protection laws.  In addition, she counsels organizations on regulatory matters associated with mergers, acquisitions, and financings.  

In addition to her corporate legal practice, Patricia devotes significant time to O’Melveny’s pro bono program. Her representative matters includes representing a nonprofit organization in litigation related to negligence and breach of fiduciary duties and counseling nonprofits on issues related to state and federal privacy laws. 



Bar Admissions

  • California

Court Admissions

  • US District Court for the Central District of California
  • US Court of Appeals for the Ninth Circuit


  • University of California at Berkeley, J.D.: Development Editor, California Law Review; Article Editor, Berkeley Technology Law Journal; Assistant Article Editor, Asian American Law Journal; 2nd Place in the 2009 Berkeley Technology Law Journal Student Writing Competition
  • Duke University, B.S., Psychology: with distinction

Professional Activities


  • Honorable Oliver W. Wanger, US District Court, Eastern District of California


  • “Navigating the Rising Legal Waters in Managed Care,” American Health Lawyers Association’s Fraud & Abuse newsletter (Volume 1, Issue 4, Dec. 2012) (co-authored with David Deaton and Stephen Sullivan)


  • Pro Bono Advisory Council for Asian Americans Advancing Justice
  • Defending a leading medical device manufacturer in a multi-state AG investigation and ensuing litigation related to the company’s sales and marketing practices related to surgical implants
  • Representing a major pharmaceutical company in multi-state litigation involving allegations of unfair competition, false advertising, and other consumer fraud claims in connection with the sale and marketing of prescription pain medications  
  • Conducted an internal investigation led by a Special Committee of a Fortune 500 telecommunication company’s Board of Directors into allegations challenging the company’s billing practices
  • Counseled a national managed care organization in multiple time-sensitive internal investigations of alleged violations of the Anti-Kickback Statute and False Claims Act  
  • Conducted an internal investigation for a leading energy company to assess the compliance of its China-based subsidiaries with the Foreign Corrupt Practices Act    
  • Defended a corporation in investigations by the state Department of Environmental Quality and the U.S. Environmental Protection Agency, Criminal Investigation Division, into various alleged violations of the Resource Conservation and Recovery Act and the federal Clean Water Act