Aidan P. Mathis is a lifelong Washingtonian and a double graduate of the University of Washington. During law school, Aidan competed in moot court and interned at the Municipal Research & Service Center, advising local government jurisdictions across Washington. Following law school, Aidan clerked at Division III of the Washington Court of Appeals in Spokane for the Honorable Chief Judge Rebecca Pennell, exposing him to a wide range of criminal and civil litigation. At Kirkpatrick & Startzel, P.S., his practice focuses on civil litigation, with a particular emphasis in appellate and municipal law.


  • University of Washington, B.A., 2016
  • University of Washington, J.D., 2020

Bar Admissions

  • Washington State Bar
  • Idaho State Bar

Memberships & Affiliations

  • Washington State Bar Association
  • Spokane County Bar Association
  • Washington Defense Trial Lawyers
  • Spokane County Bar Association, Young Lawyer Division, Trustee

Aidan enjoys hiking, kayaking, and watching the Spokane Chiefs with his wife, Samantha, and their one-eyed rescue dog, Sheila.