Best Lawyers in Washington, United States for Intellectual Property Law

Jerry Nagae's practice spans over four decades, encompassing all aspects of intellectual property law providing vital counsel to clients on patents, trademarks, copyrights, IP transactions, and litigation. Jerry supports a wide range of clients in various fields such as automotive, consumer goods, sporting goods, food processing, video and audio hardware and software development, robotics, automated warehouses, airport ground support equipment, and semiconductor processing and packaging. With...

Timothy J. Billick is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law and Trademark Law. Timothy J., who practices law in Seattle, Washington, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Timothy J. is held by other top lawyers in the same geographic and legal practice area.

Margie Aoki collaborates with clients to develop strategies to protect their intellectual property, working closely with inventors to craft robust utility and design patent applications that highlight the client’s innovations. During examination, Margie encourages open communication with patent examiners to find the most efficient path towards allowance. Margie’s experience extends to freedom-to-operate and validity opinions, design-around strategies, and due diligence for portfol...

Melissa M. Harwood is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology and Life Sciences Practice and Patent Law. Melissa M., who practices law in Seattle, Washington, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa M. is held by other top lawyers in the same geographic and legal practice area.

Lynne Graybeal is a partner in the firm's Intellectual Property Group and Trademark & Copyright practices. Her practice focuses on trademark and copyright law, Internet and social media issues, licensing and intellectual property-related transactions, and arts and entertainment law. Lynne is currently the co-chair of the firm's Arts, Entertainment & Sports industry group and was a co-chair of the Trademark & Copyright practice, from 2000 - 2012. Lynne has been assisting clients wi...

BACKGROUND Brooke focuses on strategically counseling his clients on intellectual property matters and portfolio development, including patent, trademark, and copyright law. He routinely works on patent procurement, due diligence investigations, enforcement, and licensing, as well as other transactional intellectual property matters. Brooke received his B.S. in Mechanical Engineering from University of Southern California in 1992. He received his J.D. from University of Texas at Austin in 199...

BACKGROUND As Managing Partner, Hayley brings a clear vision and collaborative leadership to the firm, guiding its strategic direction while continuing to serve clients with deep expertise in intellectual property (IP) law. She focuses on efficient and effective patent prosecution, licensing, and validity and infringement studies. With a background in electrical engineering, Hayley has successfully advised clients across a broad spectrum of technologies, including electrical, software, and me...

George Renzoni represents a variety of clients in all phases of patent law, focusing his practice on the procurement of U.S. and foreign patents, patent portfolio strategy and development, technology licensing, and due diligence investigations, as well as providing opinions of patentability, infringement, validity, and freedom-to-practice. George has also provided expert opinions and expert testimony in patent disputes. George has procured patents in a wide range of technologies, including ph...

John Denkenberger is the managing member of COJK, a member of the firm's executive committee, and chair of the 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 p...

Judy Jennison is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Copyright Law, Litigation - Intellectual Property, Trade Secrets Law and Trademark Law. Judy, who practices law in Seattle, Washington, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Judy is held by other top lawyers in the same geographic and legal practice area.

BACKGROUND Kevin Costanza's practice focuses on mechanical patent prosecution, trademark clearance, and registration, and intellectual property licensing. He received a B.S. in Engineering from the University of California at Irvine in 1990, concentrating on mechanical engineering and material sciences. Kevin received his J.D. ( cum laude ) from Seattle University School of Law in 1995. EXPERIENCE Kevin provides clients from a wide range of engineering technologies, consumer products, and ser...

Trademark law and brand strategist attorney Patchen Haggerty is a partner in the firm’s Trademark, Copyright, Media & Brand Protection practice. Patchen manages global trademark portfolios and trademark enforcement programs for market-leading companies. She also guides clients in the protection, development, commercialization, licensing, assignment and sale of intellectual property rights and assets. Patchen's recent counsel includes advising companies in managing the risks associat...