Kathleen (Katie) M. O'Sullivan

Kathleen (Katie) O'Sullivan is the Co-Chair of the firm's Appellate Practice Group. Her practice focuses on complex business litigation, class action defense, constitutional litigation and appellate litigation.

Professional Recognition

• Listed in Washington Law & Politics, “Washington's Super Lawyers”
• Listed in Washington Law & Politics, “Rising Stars of Washington Law,” 2004
• Co-Recipient of American Bar Association IOLTA Litigation Team Award, 2003
• Co-Recipient of Washington State Bar Association Award of Merit, 2003
• Co-Recipient of King County Bar Association President’s Award, 2003
• Co-Recipient of Perkins Coie Pro Bono Award, 2003
• Co-Recipient of King County Bar Foundation Champion of Justice Award, 2002

Professional Leadership

• Washington State Bar Association, Board of Governors, 2003-2006; Budget & Audit Committee, Member; Personnel Committee, Chair; Technology Steering Committee, Chair; Electronic Legal Research Evaluation Team, Member; Liaison to Washington Young Lawyers Division Board of Trustees; Liaison to Washington Women Lawyers State Board
• Federal Bar Association, Chair of Appellate Practice Committee
• King County Bar Association, Member of Appellate Law Section
• American Bar Association, Litigation Section
• Elected to American Law Institute, Principles of Aggregate (Class Action) Litigation, Members Consultative Group

Community Involvement

• Commission on Judicial Conduct, Member, 2007 - Present 
• Passages Northwest, Board Member, 2000-2003

Related Employment

• DNA – People’s Legal Services, Window Rock, Navajo Nation, AZ, Law Clerk, Summer 1994

Clerkships

• Hon. Harold H. Greene, U.S. District Court for the District of Columbia, 1996 - 1997
• Hon. M. Margaret McKeown, U.S. Court of Appeals for the Ninth Circuit, 1998 - 1999