Photo of William F. Ahmann

William F. Ahmann

Silicon Valley
F: +1.650.815.2601


  • J.D., University of California, Hastings College of the Law
  • B.S., Computer Science, University of Missouri, Columbia
  • California
  • U.S. Patent and Trademark Office
Thought Leadership


William Ahmann is a partner in the Intellectual Property Practice Group and Leader of the Palo Alto Office’s Summer Associate, Associate Training, and Pro Bono Teams. 

Japan Practice

William is a fluent speaker of Japanese.  Before completing his law degree, he was based in Tokyo for three years for an Internet company he co-founded.

William’s areas of special focus are related to patents in the physical sciences (computer science and electrical and mechanical engineering), specifically patent procurement, patent monetization, patent litigation defense, and post-grant procedures at the patent office (ex parte reexamination, reissue, inter partes reexamination/review), in the US and Japan.

Thought Leadership


  • "Patent Reform: The Impact on Start-Ups," Intellectual Property & Technology Law Journal,  January, 2012
  • “FTC Proposes Consent Order to Settle Charges Alleging Misrepresentation of Assertion Entity,” November 7, 2014
  • Guest Lecturer, “Legal Issues of Start Up Business,” Santa Clara Law School, June 11, 2014
  • Panelist, “Digital Health Innovation: Project to Product, Gladstone Institute, San Francisco, May 14, 2014