Professional Biography
Image of Susan Foster

Susan E. Foster Partner

Consumer Protection Practice

  • Seattle

    D +1.206.359.8846

    F +1.206.359.9000


    1201 Third Avenue, Suite 4900

    Seattle, WA




Susan Foster, a partner in the firm's Litigation practice, focuses her practice on antitrust and trade regulation counseling and litigation as well as intellectual property, advertising and other complex business and financial litigation.  In her counseling practice Susan assists clients with a full range of antitrust and marketing issues including distribution counseling, advertising and promotion issues, strategic alliances and Hart-Scott-Rodino premerger notification matters. Her clients encompass businesses from a range of high-technology and other industries, including aerospace and computer software.

Professional Recognition

  • Named the Best Lawyers’ Seattle "Antitrust Law Lawyer of the Year," 2014, 2018
  • Listed in The Best Lawyers in America 2018 - Antitrust Law; Commercial Litigation; Litigation - Antitrust; Litigation - Intellectual Property
  • Listed in Marquis Who's Who in American LawWho's Who in the World, Who's Who in America and Who's Who in American Women
  • King County Bar Volunteer of the Month, September 2002

Professional Leadership

  • Perkins Coie Audit Committee, Chair, January 2004 - 2008
  • Perkins Coie Executive Committee, Member, 2005 - 2008
  • Hate Free Zone, Advisory Board, 2002 - 2003
  • Washington State Bar Association; Consumer Protection, Antitrust and Unfair Business Practice Section, Executive Committee, 1994 - 2003, Chair, 2000 - 2001
  • Pacific Northwest Ballet, Board of Trustees, 1997 - 2002
  • American Bar Association; Antitrust Section; Litigation Section - Business Torts Co-Chair Pacific Northwest Division, 1996 - 2001
  • Corporate Council for the Arts, Associates Program, 1993 - 1996





Areas of Focus

Bar and Court Admissions

  • Washington

  • U.S. Court of Appeals for the Tenth Circuit

  • U.S. District Court for the Eastern District of Michigan

  • U.S. District Court for the Eastern District of Washington

  • U.S. District Court for the Western District of Washington


  • Seattle University School of Law, J.D.,
    magna cum laude
    , 1988,
    Lead Articles Editor, Puget Sound Law Review, 1987 - 1988
  • Pacific Lutheran University, B.A., Legal Studies, 1984