Cory Claassen brings over 20 years of patent law experience to his practice, focusing on the preparation and prosecution of U.S. and foreign patents in the electrical, optical, and mechanical fields. Cory’s practice extends to patent infringement and validity opinions, patent portfolio management, and intellectual property strategy and counseling. He provides these services to clients across a diverse array of technologies, including semiconductor devices, electronics, display and imaging technologies, unmanned aerial vehicles (UAVs), applied optics, fiber optics, applied physics, micro-electro-mechanical systems (MEMS), medical devices, and circuits.
Prior to practicing law, Cory was an ASIC designer at Nortel Semiconductors and a microwave engineer at Norsat International Inc. He holds a B.A.Sc. in physics and electrical engineering from the University of British Columbia, and a J.D. from Santa Clara University School of Law. Cory is named to the 2024 and 2025 list of The Best Lawyers in America.
Education
- J.D., magna cum laude, Order of the Coif, Santa Clara University Law School, 2002
- B.A.Sc., Physics and Electrical Engineering, with distinction, University of British Columbia, 1999
Bar & Court Admissions
- Washington State Bar
- United States Patent and Trademark Office
Professional Experience
- Christensen O'Connor Johnson KindnessPLLC
Seattle, WA, 2017 – present
- Blakely Sokoloff Taylor & Zafman LLP
Seattle, WA, 2002 – 2017
Technical Experience
- Microwave Engineer
Norsat International Inc.
- ASIC Design Engineer
Nortel Semiconductors
Professional Affiliations
- Washington State Patent Law Association