Dan A. Zellner

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 Jeff focuses his practice on IP enforcement, defense, and litigation matters across all industry groups. In 1999, he received a Bachelor in Electrical Engineering with Highest Honors from Georgia Institute of Technology, where he focused his studies on communication networks and signal processing. Jeff received an M.S. degree in Electrical Engineering from the University of California at Berkeley in 2001, where he focused his studies and research on communication networks. He was a...

Anthony T. Caso is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Anthony T., who practices law in Seattle, Washington, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anthony T. is held by other top lawyers in the same geographic and legal practice area.

Michael Dunning is a top attorney recognized by Best Lawyers in the practice area(s) of Environmental Law. Michael, who practices law in Seattle, Washington, has been recognized since 2015. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael is held by other top lawyers in the same geographic and legal practice area.

BACKGROUND Marc C. Levy’s practice focuses on intellectual property litigation and disputes including trademark, copyright, and patent litigation. Marc’s litigation and trial experience extends to numerous federal courts across the country. Marc received his J.D. cum laude, from Harvard Law School in 1989 and his A.B. in Philosophy from the University of California Berkeley in 1986. Marc is admitted in Washington and Colorado and many federal district and appellate courts. EXPERIE...

Heidi York is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Heidi, who practices law in Seattle, Washington, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Heidi is held by other top lawyers in the same geographic and legal practice area.

David Sheldon’s strong background in computer science and technical experience in software engineering help him assist his clients with patent drafting, prosecution, and counseling for software-related inventions. David's experience includes drafting patents for various complex technologies, including machine learning/artificial intelligence, autonomous vehicle control systems, bioinformatics, and medical devices. David frequently helps his clients navigate the complicated issues surrou...

Colleen Durkin Peterson represents victims injured through negligent health care and nursing homes whose actions result in devastating—and sometimes grave—losses. Most of her clients face a lifetime of permanent injury, pain, suffering, and expense. Their worlds, and their family’s lives, have been turned upside down through no fault of their own. Many have to relearn basic activities of daily living or need full-time assistance. While Colleen can’t turn back the clock...

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...

Richard A. Klobucher is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Richard A., who practices law in Bellevue, Washington, has been recognized since 1991. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard A. is held by other top lawyers in the same geographic and legal practice area.