Eugene Goryunov

Eugene Goryunov

Washington, DC recognized lawyers icon Recognized in Best Lawyers since 2021
Cherry Johnson Siegmund James PC

2 Best Lawyers awards

Cherry Johnson Siegmund James PC logo

Awarded Practice Areas

Patent Law

Biography

Eugene Goryunov is an intellectual property trial attorney at Cherry Johnson Siegmund James PC in Washington, District of Columbia. He has participated in more than 500 proceedings before the U.S. Patent and Trademark Office. Eugene frequently litigates cases in federal courts across the U.S. and manages appeals at the Federal Circuit. He also represents clients in Section 337 investigations at the U.S. International Trade Commission. Eugene has been recognized in patent law by Chambers USA, Intellectual Asset Management, and Managing Intellectual Property.

Eugene's experience includes representing a diverse range of clients in complex patent matters involving technologies such as consumer goods, high technology, networking, wireless telephony, medical devices, and therapeutics.

Eugene filed some of the first-ever IPR petitions and is a co-founder of the PTAB Bar Association. He co-authored the "Trial Lawyer’s Guide to Post-Grant Patent Proceedings," a treatise published by LexisNexis, along with numerous other publications. He serves on the Editorial Board of The Patent Lawyer and as Editor-in-Chief of the PTAB Bar Association’s Round-up of Round-ups. Eugene regularly engages in public speaking and writing about artificial intelligence and advises clients on patent prosecution, portfolio management, and litigation related to artificial intelligence.

Cherry Johnson Siegmund James PC

2 Best Lawyers awards

Cherry Johnson Siegmund James PC logo

Overview

Washington, District of Columbia

  • DePaul University, B.S., Computer Science, graduated 2001
  • University of Illinois Chicago, John Marshall Law School, J.D., graduated 2008

  • Illinois, Illinois State Bar Association

  • United States Patent and Trademark Office
Washington, District of Columbia

  • Illinois, Illinois State Bar Association
  • DePaul University, B.S., Computer Science, graduated 2001
  • University of Illinois Chicago, John Marshall Law School, J.D., graduated 2008
  • United States Patent and Trademark Office

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Patent Law

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