Cristofer I. Leffler

Cristofer I. Leffler



Cris helps technology clients resolve high-stakes intellectual property, commercial, and antitrust disputes. With significant in-house and private practice experience, he also counsels clients in complex IP strategy, monetization, and licensing efforts. 

Cris brings a unique, client-centric perspective to legal questions with an eye toward creative business solutions. With two decades of experience, he is a first-chair trial attorney who has overseen more than 100 intellectual property cases, recently securing a multi-million dollar patent infringement verdict in favor of his client, the defendant in the suit. Cris has experience representing clients in matters involving a wide array of technologies, including telecommunication, software, medical device, and circuit design.

Cris has represented clients in cases before numerous district courts, the Patent Trial and Appeal Board, the International Trade Commission, and the U.S. Court of Appeals for the Fifth and Federal Circuits.

Education & Admissions

Seattle University School of Law (J.D., 1999), Dean’s Scholarship, ATLA Western Region Mock Trial Finalist

Washington State University (B.S., 1993), cum laude, President’s Honor Role, Gold Key National Honor Society


  • California
  • Washington
  • Northern District of California
  • Central District of California
  • Southern District of California
  • Eastern District of California
  • Western District of Washington
  • Eastern District of Washington
  • Fifth Circuit Court of Appeals

News & Resources

Select Presentations

  • "Licensing and Litigation Pitfalls in the U.S. Videogame Industry… and How to Avoid Them," December 2018, Montreal, hosted by Fasken

Industries & Practices

  • Antitrust & Competition Law
  • Commercial Litigation
  • Intellectual Property Litigation
  • Technology
  • Technology Commerce
  • Telecommunications
  • Trademark, Copyright, Advertising & Brand Management

Professional & Civic

Community Involvement

  • Emerald City Football Club, Board of Directors, Former President
  • Washington Lawyers for the Arts, Pro-Bono Attorney
  • Volunteer Advocates for Immigrant Justice, Pro-Bono Attorney
  • Family Law CASA of King County, Pro-Bono Attorney and Volunteer


IAM Strategy 300 Recommended Individual 2019

  • Named an IAM Strategy 300 IP Strategist, 2019
Cristofer I. Leffler