Won-Han Cheng

Daniel Mensher translates thorough preparation into courtroom success.Dan practices in Keller Rohrback’s nationally-recognized Complex Litigation Group with a focus on environmental cases and representing government entities in important litigation. He collaborates with his colleagues and clients to identify problems and craft creative, long-lasting solutions. Dan has litigated important environmental and consumer cases across the country in federal and state court. He presently represe...

Adam Pankratz is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Adam, 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 Adam is held by other top lawyers in the same geographic and legal practice area.

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.

Bonnie MacNaughton is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Intellectual Property. Bonnie, who practices law in Seattle, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Bonnie is held by other top lawyers in the same geographic and legal practice area.

Whether a government agency or a frightened individual hoping to never again be involved with the legal system, Adam Rosenberg can be depended on to aggressively take on his client’s cause. Adam represents both plaintiffs and defendants in a wide array of civil matters. His practice centers on litigation of a complex nature, including catastrophic injury, insurance bad faith, civil rights, land use, water law, and business disputes among others. He’s litigated high-stakes cases of...

Jay Kornfeld primarily represents companies in commercial creditor and debtor issues, emphasizing workouts, restructurings, and Chapter 11 reorganizations. Over the years, he has represented clients in diverse industries, including agricultural, food processing, grocery, commercial real estate, retail, high-tech and software, wood products, commercial fishing, and newspaper. He is a Fellow of the American College of Bankruptcy, is AV-rated, and a Trustee of the King County Bar Association (Ju...

Tana Materi has been with Carney Badley Spellman since 1999, serving as a member of the firm's Board of Directors and Chair of its Business Department. Her practice focuses on corporate, finance, and M&A transactions, including representing buyers and sellers across a broad range of industries — retail, e-commerce, manufacturing, food and beverage, construction, dental services, aerospace, and more. She also works extensively with family-owned and closely held businesses on contract...

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

Chelsea Dwyer Petersen is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. Chelsea Dwyer, who practices law in Seattle, Washington, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Chelsea Dwyer is held by other top lawyers in the same geographic and legal practice area.

Derek Ko is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Information Technology Law and Technology Law. Derek, 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 Derek is held by other top lawyers in the same geographic and legal practice area.