Jonathan R. Missen


  • location icon Seattle, WA
    1111 Third Avenue
    Suite 2700
    Seattle, WA 98101

Jonathan Missen is a partner in the Seattle office of Lewis Brisbois and a member of the General Liability, Bad Faith Litigation, Professional Liability, and Long-Term Care & Elder Law Practices. Mr. Missen has 10 years of insurance defense litigation experience. He has successfully tried cases to both jury and bench verdicts, securing many favorable results for his clients in state and federal court. In addition to trial work, Mr. Missen’s experience includes authoring appellate briefs and responsive petitions to the Washington Supreme Court.  

Mr. Missen began his career with a boutique insurance defense firm, transitioned to in-house practice with a nationwide insurer for several years, and joined Lewis Brisbois in 2019. His current practice focuses primarily on defending complex personal injury claims including traumatic brain injury, insurance bad faith claims under the Insurance Fair Conduct Act and the Washington Consumer Protection Act, claims against long-term care facilities under the Washington Abuse of Vulnerable Adults Act, and professional liability claims against accountants and lawyers. Mr. Missen’s experience also extends to assisting clients with insurance coverage issues and drafting coverage opinions.

In addition, Mr. Missen serves as an arbitrator and is routinely appointed to arbitrate cases throughout Western Washington.


  • State Bar Admissions
    • Washington



Representative Matters

  • Eye Associates Northwest, P.C. v. Sedgwick et. al. (2020) – Secured summary judgment dismissal of significant claims asserted against a TPA and individual adjusters in complex commercial property coverage case.
  • Clay v. Hilton (2020) – Secured summary judgment dismissal of various hotel entities in multinational personal injury lawsuit involving issue of first impression regarding the precedential effect of a Thai judgment.
  • Gaona v. Jiffy Lube (2019) – Obtained unanimous defense verdict in personal injury premises liability matter arising from slip and fall at oil change facility.
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