About Us News Room We invite you to find out more about Perkins Coie through our press releases. Search 27 results for Kathleen M. O'Sullivan Reset Best match Most recent March 06, 2023 Perkins Coie Lawyers Mentioned in Law360—Justices Want Biden Admin. Input On $49M Superfund Review January 30, 2023 Perkins Coie Lawyers Mentioned in Law360—Paper Cos. Ask Justices To Pass On $49M Superfund Review September 01, 2023 Perkins Coie Lawyers Mentioned in Law360—Boeing Rocket Cleanup Suit Will Be Split Into 2 Phases April 26, 2023 Perkins Coie Lawyers Mentioned in Law360—Boeing Can't Escape Rocket Site Cleanup Case June 22, 2022 Perkins Coie Lawyers Mentioned in Law360—Boeing Says Feds Want To Break Rocket Site Cleanup Deal August 15, 2024 Twenty-four Perkins Coie Lawyers of the Year Named by Best Lawyers® for 2025 August 15, 2024 Best Lawyers® 2025 Recognizes 294 Perkins Coie Lawyers Pagination Previous page Previous Page 1 Current page 2