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.
Why Clients Choose COJK
Intellectual property is at the forefront of the law. COJK attorneys understand that IP law has the very real potential to be defined with each new patent, trademark, or copyright application.
COJK Sponsors 2025 Environmental Innovation Challenge
COJK was a sponsor of the University of Washington’s 2025 Environmental Innovation Challenge. The competition challenges interdisciplinary student teams ...
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