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+1.206.359.6375Share profile
Band 1
Provided by Kathleen O'Sullivan
Appeals, Issues & Strategy
Litigation
Class-Action Defense
E-Discovery Services & Strategy
Trade Secrets
Trial Practice
Food & Beverage
Food & Consumer Packaged Goods Litigation
Retail & Consumer Products
Digital Media & Entertainment, Gaming & Sports
With more than 25 years of practice, Katie O'Sullivan represents businesses facing high-stakes litigation, including trial court cases and appeals. She regularly advises Fortune 100 and other leading companies across industries in consumer class actions, pending investigations, and other related cases. Katie also works on appeals across a broad spectrum of legal issues, including antitrust, contracts and business torts, environmental law, product labeling, privacy, and product liability.
Katie emphasizes high-quality written and oral advocacy in her litigation practice and as a leader in the firm. Katie served as the chair of the firm's Executive Committee from 2020 through 2023, during which time she led the development of the firm's strategic plan. She is also the former firmwide chair of the Commercial Litigation practice.
Katie is an active member of the legal community and has served on the Washington State Bar Association Board of Governors and chaired the Washington State Commission on Judicial Conduct. Katie currently serves on the American Law Institute Council and the Ninth Judicial Circuit Historical Society board. She is a former chair of the Board of Directors of the YMCA of Greater Seattle.
Provided by Chambers
Kathleen O'Sullivan is highly regarded in the market and has experience appearing for her clients in trials and appellate proceedings. She offers experience in a broad range of matters, including environmental damage and product liability.
Provided by Chambers
She is outstanding.
She is an excellent litigator.
She is outstanding.
She is an excellent litigator.