(206) 516-3894

Contracts & Commercial Disputes

Intellectual Property Protection & Litigation

Employment Counsel, Investigations & Litigation
Consumer & Tort Litigation


University of Wisconsin Law School, J.D., 1998,
   cum laude, Order of the Coif

Northwestern University, B.A., 1994
   with Departmental Honors in History


Hon. Marsha J. Pechman, U.S. District Court,
   W.D. Wash., 1999-2001

Hon. Barbara Durham, Chief Justice,
   Washington Supreme Court, 1998-1999


Summit Law Group, 2009-2016

Heller Ehrman, 2001-2008

Molly Terwilliger is a trial lawyer whose practice focuses on intellectual property, employment, and other complex commercial litigation.  Having clerked for the Honorable Marsha J. Pechman of the United States District Court for the Western District of Washington, Molly has a special affinity for the federal courts, but has represented clients before other state and federal trial and appellate courts, mediators, and arbitrators. 


Molly has experience with all aspects of litigation, including pre-litigation investigation and negotiation. 


Intellectual Property Litigation:

  • Served as first chair in successful 2-week arbitration defending former sales agent against claims for trade secret misappropriation, breach of contract, breach of fiduciary duty, and unjust enrichment brought by former supplier;

  • Represented corporation against claims of copyright, trademark, and trade dress infringement, as well as unfair competition, in successful bench trial in the Western District of Washington;

  • Obtained favorable settlements of numerous matters asserting and defending against claims of trademark infringement and unfair competition, including domain-name disputes;

  • Served as local counsel, offering local insight and strategic advice, in numerous patent cases pending in the United States District Court for the Western District of Washington.



  • Obtained favorable jury verdict in favor of municipal employer on claims for wrongful termination in violation of public policy for engaging in protected union activity in King County Superior Court, and successfully defended the verdict on appeal;

  • Obtained summary judgment in favor of employer on sexual harassment claims filed in the United States District Court for the Eastern District of Washington;

  • Obtained summary judgment in favor of CEO and employer on claims for breach of severance agreement and willful nonpayment of wages in King County Superior Court and successfully defended the judgment on appeal;

  • Represented employers in defense of wage-and-hour class actions brought in state and federal court;

  • Obtained summary judgment in favor of employer on claims of age and disability discrimination filed in King County Superior Court, and successfully defended the judgment on appeal;

  • Negotiated numerous settlements relating to employee departures.



  • Obtained favorable settlement of contract dispute filed with the International Chamber of Commerce, International Court of Arbitration;

  • Obtained dismissal—in both state and federal court—of claims brought by pro se litigant against municipal water district;

  • Obtained favorable award, and confirmation of the award, in arbitration relating to breach of a prior settlement agreement;

  • Pro Bono representation of domestic violence victim in Section 1983 litigation relating to the initiation of a dependency for her minor child, pending in the Western District of Washington;

  • Authored briefs on behalf of amicus curiae Legal Voice and the ACLU of Washington in matters involving the termination of victims of domestic violence’s parental rights.


Publications/speaking engagements:

  • Author and Presenter, “More Than You Want (or Need) to Know About The December 2015 Revisions to the Federal Rules of Civil Procedure,” (January 2016)

  • Author, “The Right to Refuse vs. Patient Health & Safety,” King County Bar Association Bar Bulletin (June 2009)

  • Contributor, “Basics of Patent Infringement Litigation,” The Antitrust Counterattack in Patent Infringement Litigation (2008 ABA publication)


Molly has been recognized as a Super Lawyer by Washington Law & Politics Magazine (2014-2020) and, in 2018, was recognized as one of the Top 50 Women Lawyers and the Top 100 Super Lawyers in Washington. Molly is the Past President and member of the Board of Directors for Legal Voice (fka Northwest Women’s Law Center), and serves on the ACLU of Washington Foundation Legal Committee.  She also is active in the Western District of Washington Federal Bar Association, serving formerly as a Trustee and currently as Co-Chair of the Local Rules Committee.

Molly is admitted to the bar in Washington and Wisconsin (inactive).