John D. Denkenberger
John Denkenberger is a co-managing member of COJK, serves on the firm’s executive committee, and is head of its litigation practice group. John has successfully litigated patent, trademark, trade secret, and unfair business competition issues in federal and state courts. He has also successfully litigated AIA post-grant challenges, including inter partes review, before the Patent Trial and Appeal Board. In addition to his litigation practice, John also advises clients on foreign and domestic patent and trademark procurement, technology licensing, and litigation strategies in a variety of technology areas, including mechanical, electromechanical, acoustics, and software. Prior to becoming an attorney, John worked for 10 years as a research and design engineer in the aerospace and aircraft industry.
In addition to his inclusion in the list of The Best Lawyers in America, John is named in Intellectual Asset Management’s Patent 1000 — The World’s Leading Patent Practitioners, ranked in Chambers USA, recognized in Managing Intellectual Property magazine’s IP Stars, and has been named a Super Lawyer over the past decade.
- Chambers USA (2013-2020)
- Intellectual Asset Management, Patent 1000 - The World's Leading Patent Practitioners (2012-2020)
- Managing Intellectual Property, IP Stars (2018-2020)
- Super Lawyers, Washington (2003, 2005-2010)
Seattle, Washington 98101
