History of Excellence in IP Law
Seattle’s Premier IP Law Firm Since 1929
At COJK, our only focus is on the protection of our clients’ valuable intellectual property rights. This demanding and exacting legal practice requires professionals with technical industry experience and sound intellectual property legal knowledge. Our over 95-year history of excellence in intellectual property law is the direct result of generations of highly motivated, skillful, creative, and responsive attorneys who have an intimate knowledge of the industries they serve.

Highly Skilled Professionals
Meet Our Exceptional Legal Team
COJK attorneys approach every challenge with a high level of sophistication, innovation, passion, and creativity. We are committed to seeking and delivering strategic advantages for our clients.

Best Lawyers Recognizes Eleven COJK Attorneys in 2026 Edition
COJK attorneys Margie Aoki, Pete Becker, Cory Claassen, John Denkenberger, Casey Fitzpatrick, Fran Jagla, Rhys Lawson, Jerry Nagae, George Renzoni, David Sheldon, and John Whitaker were selected for ...
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