Professional Biography

Ken H. Ohriner Partner

  • Los Angeles

    D +1.310.788.3267

    F +1.310.788.3399

    Los Angeles

    1888 Century Park East, Suite 1700

    Los Angeles, CA 90067-1721




Ken Ohriner, a partner in the firm's Intellectual Property practice, has over 25 years of experience in patent counseling, procurement and litigation. He has written, filed, and prosecuted hundreds of U.S. and foreign patent applications. Ken focuses on post-grant patent proceedings, often in cases having parallel patent litigation.

In a recent successful litigation, Ken prosecuted 15 patents for a patent owner. The defendant filed 26 petitions for inter partes review against those patents, of which 25 were denied or terminated in favor of the client.

Ken represents clients in the following types of matters:

  • Patent Procurement
  • Inter Partes Patent Review
  • Post Grant Review
  • IP Portfolio Development and Management
  • IP Conflict Risk Reduction and Resolution
  • Trademark and Industrial Design Procurement

Professional Recognition

  • Named the Best Lawyers’ Los Angeles "Patent Law Lawyer of the Year," 2018
  • Listed in The Best Lawyers in America 2012 - 2021: Litigation - Intellectual Property; Patent Law
  • Peer Review Rated AV in Martindale-Hubbell

    (AV®, BV® and CV® are registered certification marks of Reed Elsevier Properties Inc., used in accordance with the Martindale-Hubbell certification procedures, standards and policies.)

Professional Leadership

  • American Intellectual Property Law Association

Related Employment

  • Lyon & Lyon LLP, Los Angeles, CA, Associate, 1986 - 1993; Partner, 1994 - 2002





Bar and Court Admissions

  • California
  • U.S. Patent and Trademark Office
  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Central District of California
  • U.S. District Court for the Southern District of California


  • St. John's University School of Law, J.D.
  • Stony Brook University, B.E., Engineering