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Serving clients since 1929.

With more than 60 lawyers in offices in Washington and Oregon, we have proven trial results and are dedicated to the welfare of our clients

Williams Kastner is Committed to Our Clients.

That commitment is reflected through our quality legal work, personalized approach to servicing our clients, and the integrity and pride we devote towards our practice of law.

Quality

We pride ourselves on providing quality legal work that is valuable and helpful to our clients.

Integrity

We value integrity and it is reflected through the trusted relationships we form with our clients.

Service

We understand our client's business and are passionate about getting the most favorable results for them.

Our Locations

Seattle, Washington

Williams Kastner has been serving clients in the Pacific Northwest since our Seattle office opened in 1929. With attorneys in offices in Washington and Oregon, we offer global capabilities and vision with a local sensibility.

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Inland Northwest Office

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Portland, Oregon

Our presence in Oregon expands the firm's practice depth in the maritime, transportation, agriculture and related industries to better serve Pacific Northwest companies. We serve a broad range of clients in business transactions and commercial litigation, creditors' rights and bankruptcy, mass tort defense, labor and employment, tax, real estate and estate planning.

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News & Insights

Featured
Press Release

September 2025

Williams Kastner Relocates Seattle Office to Newly Designed Space

Williams Kastner is pleased to announce the relocation of its Seattle office to a newly designed space in downtown Seattle, effective September 8, ...
News

Williams Kastner Recognizes 2026 Best Lawyers Honorees
by Heidi L. Mandt, Hunter M. Abell, Megan Ferris, Stanbery Foster, Jr., P. Arley Harrel, Eliot M. Harris, Jessie L. Harris, Douglas A. Hofmann, Leslie A. Kocher-Moar, Susan E. Lehr, Nicole R. MacKenzie, Mark M. Myers, Thomas A. Ped, Shawn B. Rediger, Jerome L. Rubin, David A. Shaw, William M. Symmes, Rodney L. Umberger, Sheryl J. Willert, John G. Young, Jackson Brannon, Mary Cullen, Kenna Duckworth, Michael Kutzner, Theresa H. Rava, Ashley Shearer, Matt Sturtevant

Williams Kastner is proud to announce that 20 of our attorneys have been named to the 2026 edition of The Best Lawyers in America©. In addition, seven attorneys have been recognized in Best Lawyers: Ones to Watch. We are especially pleased to share that Heidi Mandt has been honored as Lawyer of the Year in...
Article

9th Circuit Court of Appeals Affirms Dismissal of Extra-Contractual Claims in Washington UIM Case Regarding Payment of “Undisputed” Damages
by Eliot M. Harris

Washington State has seen an increase in bad faith claims against insurers regarding settlement of uninsured/underinsured (“UIM”) motorist claims in the past decade.  One of the primary reasons for this increase is the development of a duty by a UIM insurer to pay so-called “undisputed” amounts arising out of Beasley v. GEICO Gen. Ins. Co.,...