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James C. McGuire

Phone: 425-450-4235

Legal Assistant

Kirstie Jay

Direct: 425-450-4241


James' practice focuses primarily on family law litigation although he has represented parties in a wide variety of commercial litigation matters throughout his legal career. He is an experienced litigator, having tried cases in both state and federal court.  James assists clients with complex marital dissolutions, including those of high net worth individuals, often involving business valuations and estate issues.  James favors a team approach, which is client-centered and cost-effective.  James is an experienced family law mediator and assists parties through mediation and arbitration to resolve their disputes. James is also trained and experienced in Collaborative Law, and is an experienced judicial officer, having served as a Commissioner Pro Tempore in family law matters.

Publications & Presentations

  • Co-Author, 2022 Washington State Bar Association Family Law Deskbook:  Maintenance
  • Speaker, "Dealing With A Rambo Litigator in Divorce," National Business Institute, April 2013
  • Speaker, "Taxes: Marriage Equality vs. Federal DOMA," QLaw, April 2013
  • Speaker, "Modern Family: Assisted Reproductive Technology (ART)," Family Law CLE, March 2013
  • Speaker, “Financial Divorce Settlements from Start to Finish,” National Business Institute, December 6, 2011
  • Speaker, “Settling the Score: Money Matters in Divorce,” National Business Institute, February 2008
  • Speaker, “Ethics and Professionalism in Family Law Discovery Practice,” King County Bar Association, December 2008

Honors, Awards & Special Recognition

  • Repeatedly recognized as a “Super Lawyer” by Thomson Reuters' Washington Super Lawyers

Professional & Civic Involvement

  • Commissioner Pro Tempore, King County Superior Court, 2016-2021
  • Seattle University School of Law/King County Bar Association - Domestic Violence Clinic, Volunteer Attorney
  • King County Volunteer Family Law Settlement Conference Program - Master Attorney/Volunteer Mediator
  • King County Bar Association Family Law Mentor Program - Attorney Mentor
  • QLaw: The LGBT Bar Association of Washington – Founding Board Member
  • QLaw Foundation - President and Board Member
  • Highline Community College - Adjunct Instructor, Paralegal Program
  • California State University, Los Angeles - Adjunct Professor, Business Law


James returned to Seattle a number of years ago and enjoys being in one of the greatest cities in the world. He tries to spend as much time as possible with his large extended family in the area.  In his spare time, James enjoys traveling, house remodels, working out and paddle sports.