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Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Work +1 202 408 4000

John M. Williamson

Work +1 202 408 4282
Finnegan, Henderson, Farabow, Garrett & Dunner LLP

Work Department

Intellectual Property


IP Specialties Practice Leader


John Williamson leads the firm's IP specialties practice group. He focuses on intellectual property litigation and counseling, with particular emphasis on patent infringement and trade secret actions before U.S. district courts, arbitration panels, the U.S. International Trade Commission (ITC), and the U.S. Court of Appeals for the Federal Circuit. Mr. Williamson serves as lead litigation counsel on complex IP disputes spanning a wide range of technical subject matter areas, including telecommunications, software, e-commerce, consumer electronics, pharmaceuticals, and medical devices.


• District of Columbia Bar (vice-chair and chair of Trade Secrets Committee, Intellectual Property Section, 2000-2006) • Intellectual Property Owners Association (Trade Secrets Committee, 2013-present) • American Intellectual Property Law Association • American Bar Association, IP Section • Pauline Newman IP American Inn of Court (board member, 2013-present)


University of Colorado, M.S., Telecommunications, 2003; University of Colorado School of Law, J.D., 2000; University of Colorado, B.A., Economics, 1997

United States: Intellectual property

Trade secrets (litigation and non-contentious matters)

Within: Trade secrets (litigation and non-contentious matters)

Finnegan, Henderson, Farabow, Garrett & Dunner LLP’s Washington DC-based team handles consulting, counseling, non-litigation enforcement and dispute resolution. Gerson Panitch secured a victory in a summary judgment for Macrocure in a longstanding dispute with Cognate BioServices arising from alleged theft of data concerning human and veterinary cell therapy products. Eric Fues represented Flexsys America in a misappropriation of trade secrets claim filed against Process Engineering Associates concerning the manufacturing of insoluble sulfur; the case is one of the first complaints filed under the new federal Defend Trade Secrets Act. Other highlights included defending RichWave Technology and its president against claims of trade secrets misappropriation filed by Epic Communications. John Williamson is also recommended.

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