Susan E. Foster

Susan E. Foster

Seattle, WA recognized lawyers icon Recognized in Best Lawyers since 2012
Perkins Coie LLP

240 Best Lawyers awards

Perkins Coie LLP logo

Awarded Practice Areas

Antitrust Law Commercial Litigation Litigation - Antitrust Litigation - Intellectual Property Trade Secrets Law

Biography

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.
Perkins Coie LLP

240 Best Lawyers awards

Perkins Coie LLP logo

Overview

  • Seattle University, J.D., graduated 1988
  • Pacific Lutheran University, BA

  • Washington, Washington State Bar Association

  • American Bar Association - Member
  • Washington State Bar Association - Member
  • Washington, Washington State Bar Association
  • American Bar Association - Member
  • Washington State Bar Association - Member
  • Seattle University, J.D., graduated 1988
  • Pacific Lutheran University, BA

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2025 - Trade Secrets Law Lawyer of the Year Badge - 2023 - Antitrust Law Lawyer of the Year Badge - 2020 - Antitrust Law Lawyer of the Year Badge - 2018 - Antitrust Law Lawyer of the Year Badge - 2014 - Antitrust Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Trade Secrets Law, Seattle (2025)
  • Antitrust Law, Seattle (2023)
  • Antitrust Law, Seattle (2020)
  • Antitrust Law, Seattle (2018)
  • Antitrust Law, Seattle (2014)
Recognized in The Best Lawyers in America® 2026 for work in:
  • Antitrust Law
  • Commercial Litigation
  • Litigation - Antitrust
  • Litigation - Intellectual Property
  • Trade Secrets Law
Additional Areas of Practice:
  • Technology Law
Awards:
  • King County Bar Volunteer of the Month, September 2002
  • Listed in Washington Law & Politics, "Washington's Super Lawyers," various years, 2001 - 2012
  • Listed in Marquis Who's Who in American Law, Who's Who in the World, Who's Who in America and Who's Who in American Women

Case History

Cases
  • Other Court Admissions
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. District Court for the Western District of Washington
  • U.S. District Court for the Eastern District of Washington
  • U.S. District Court for the Eastern District of Michigan

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