Duncan E. Manville

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 imagi...

Nathan Julius is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Nathan, 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 Nathan is held by other top lawyers in the same geographic and legal practice area.

Alice Ostdiek is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law and Public Finance Law. Alice, who practices law in Seattle, Washington, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Alice is held by other top lawyers in the same geographic and legal practice area.

Steve Koh chairs the firm's International Arbitration practice. In addition, Steve handles product liability, civil fraud and class action matters. He has represented clients such as The Boeing Company, OfficeMax , Boise Cascade Corporation, T-Mobile and Honeywell . Steve also acts as arbitrator in commercial matters.

Matthew Diggs is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Criminal Defense: White-Collar and Litigation - Health Care. Matthew, 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 Matthew is held by other top lawyers in the same geographic and legal practice area.

Roger D. Wylie is a top attorney recognized by Best Lawyers in the practice area(s) of Artificial Intelligence Law and Patent Law. Roger D., who practices law in Seattle, Washington, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Roger D. is held by other top lawyers in the same geographic and legal practice area.

Colonel Betz focuses his practice on personal, tax and estate planning for individuals and families as well as the representation of fiduciaries in estate and trust administration. He advises clients on a broad range of basic and sophisticated estate planning strategies, estate and trust administration issues, probate, estate and trust dispute resolution matters, and the preparation of gift and estate tax returns. His practice includes planning for executives, business owners and multigenerat...

Brent excels at taking complicated problems and making them accessible for his clients, jurors and judges. His M.B.A. training allows him to assist clients in making decisions that are truly in their best financial interests. Brent concentrates on insurance policy and bad faith disputes. His practice is unusual in that he represents both insurance policy holders and insurance companies, depending on the case, providing unique insights into both perspectives. This experience allows him to get ...

Patrick E. Basinski is a top attorney recognized by Best Lawyers in the practice area(s) of Technology Law. Patrick E., 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 Patrick E. is held by other top lawyers in the same geographic and legal practice area.

Chad has extensive experience handling complex commercial disputes, and advises on environmental matters both foreign and domestic. Chad has tried cases in state and federal courts, and before international tribunals. He joined Summit Law Group from Kirkland & Ellis LLP in Chicago.