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.
Since its inception in 2013, John has been named to Intellectual Asset Management’s Patent 1000 — The World’s Leading Patent Practitioners. He has been ranked in Chambers USA for intellectual property; was selected by his peers as a leading intellectual property lawyer in The Best Lawyers in America; and has been named a Super Lawyer over the past decade.
Prior to becoming an attorney, John worked for 10 years as a research and design engineer in the aerospace and aircraft industry.
- Chambers USA (2013-2018)
- Intellectual Asset Management: Patent 1000 - The World's Leading Patent Practitioners (2012-2018)
- Super Lawyers, Washington (2003, 2005-2010)
- The Best Lawyers in America (2011-2019)
Seattle, Washington 98101
