Timothy Riffe

Principal | Washington, DC | 202-626-6429 |

Timothy W. Riffe is a Principal in the Washington, D.C., office of Fish & Richardson. His practice emphasizes strategic patent counseling, patent prosecution, and patent litigation matters. Mr. Riffe has handled technical matters in such diverse fields as medical devices, semiconductors, power generation, disc drives, beverage dispensing, telecommunications, oil refining processes, software, and toys.

Mr. Riffe assists in the management of patent portfolios for a variety of large and small technology clients. Mr. Riffe’s services include patent portfolio strategy and development, opinions on patent validity and infringement, patent landscape and freedom to operate (right to practice) studies.

Mr. Riffe also has extensive patent litigation experience before the U.S. International Trade Commission and Federal District Courts. By way of example, Mr. Riffe’s cases have involved VoIP, disc drives, semiconductors, video displays, computer peripheral devices, baseband processor chips, and interface circuits.

Prior to his legal career, Mr. Riffe worked as a design and process engineer for Michelin Tire Corporation and DuPont.


  • United States Patent and Trademark Office 1999
  • District of Columbia 2003
  • United States District Court for the Eastern District of Virginia
  • United States District Court for the Central District of Illinois
Memberships and Affiliations
  • Member, International Trade Commission Trial Lawyers Association


Selected Speeches and Publications
  • 9 Common Pitfalls With Post-Grant Proceedings, Law360, (July 2014)
  • Co-author, “Recent Legislation: The American Inventors Protection Act of 1999,” Bio-Science Law Review 3: 93-98 (1999)
  • Co-author, “Proposed Changes In US Patent Regulations May Impose Increased Burdens With Respect To Information Disclosure Statements,” Bio-Science Law Review 3: 123-25 (1998)
  • Co-author, “Status of Legislation To Reorganize The US Patent And Trademark Office And Amend US Patent Law,” Bio-Science Law Review 2: 78 (1998)
Awards and Honors
  • Distinguished as one of Washingtonian Magazine’s Top Lawyers, Intellectual Property (2011-2012)
  • Recommended by the IAM Patent 1000 for International Trade Commission (2012)
  • BS, Virginia Tech 1993
    Mechanical Engineering
  • JD, George Washington University Law School 2001
    with honors
  • The American Intellectual Property Law Association Quarterly Journal

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