Catherine C. "Cat" Clark

Darby Allen is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Darby, who practices law in Seattle, Washington, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Darby is held by other top lawyers in the same geographic and legal practice area.

Graehm Wallace, a partner with the firm's Litigation practice, has seventeen years of experience working in all areas of construction transactions, counseling and litigation. His work covers all aspects of contract drafting and negotiating, including preconstruction, architectural, engineering, construction-management, design-build, balance of plant (BOP), engineering, procurement and construction (EPC), turn-key, consultant, bidding, advice during construction, and claim prosecution and defe...

Wilhelm Dingler is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Professional Malpractice Law - Defendants. Wilhelm, 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 Wilhelm is held by other top lawyers in the same geographic and legal practice area.

Mike has been licensed to practice law since 1986 and his practice emphasizes real estate transactions, land use/zoning, alternative dispute resolution and litigation. A significant part of his practice involves waterfront properties and aquatic lands. He is a certified mediator and arbitrator and has served as a court-appointed referee and expert witness on real estate matters. Prior to joining Helsell Fetterman, Mike practiced in his own firm for 20 years and represented the Realtor® or...

BACKGROUND Karl Hermanns' practice focuses on pharmaceutical and biotechnology patent matters, emphasizing strategic management of patent portfolios, early-stage company counseling, investment due diligence, and competitive patent analysis. He graduated with both a B.S. and an M.S. in Chemistry from the University of Washington and received his J.D. from the University of Colorado School of Law. EXPERIENCE Karl was an Adjunct Professor at the University of Washington School of Law and the Uni...

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

Sarah K. Duran is a top attorney recognized by Best Lawyers in the practice area(s) of Artificial Intelligence Law. Sarah K., 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 Sarah K. is held by other top lawyers in the same geographic and legal practice area.

Eric A. Lindberg is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Patent. Eric A., 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 Eric A. is held by other top lawyers in the same geographic and legal practice area.

Bob Mahon, chair of the firm's State & Local Tax practice, focuses his practice on helping clients minimize state and local taxes and comply with state and local tax laws. Bob represents clients in state and local tax audits, refunds, appeals, and litigation, as well as assists clients with tax planning and business transactions. Bob is the past president of the Tax Section of the Washington State Bar Association and teaches State and Local Tax as an adjunct professor at the University of...

Broad based transactional real estate and real estate finance practice for regional and national clients, with additional emphasis on commercial asset-based lending and residential and consumer loan program development and compliance on a regional and national basis.