Jamie Polito Johnston


Practice Emphasis

Complex marital dissolutions and legal separations, parenting plans, relocation actions, high-conflict child custody and child support matters, third-party and non-parental custody actions, cohabitation/prenuptial and community property status agreements, and post-dissolution issues, including child support and parenting plan modifications.


  • Bachelor of Arts with Honors, 1998, University of Michigan
  • Visiting student, University of California Berkeley
  • Juris Doctor, cum laude, 2003, Seattle University School of Law

Associate Editor, Seattle University Law Review

Member, Seattle University Moot Court Board

  • Collaborative Law Training, 2011
  • Professional Mediation Skills Training Program, University of Washington School of Law, 2012

Representative Cases

  • A highly skilled litigator and negotiator, Jamie has successfully represented numerous clients in a wide range of family law disputes including marital dissolution cases involving high net-worth estates, business and professional practice valuations, pensions, retirement assets, separate property and tracing analyses, as well as high-conflict child custody and child support matters. She has extensive experience litigating matters both in court and through the mediation/arbitration process.
  • In addition to representing clients in traditional litigation cases, Jamie also focuses her practice in collaborative law, a voluntary, guided and team-oriented process by which parties agree to resolve disputes in a cooperative setting outside of the courtroom.


  • Depriving Washington State’s Youth of an Education: The Debilitating Effects of Tunstall v. Bergeson, 26 Seattle U. L. Rev. 1017 (2003)
  • Mediation in Divorce: Until Dispute Resolution Do Us Part (2010)
  • Editor, LexisNexis Practice Guide, Washington Family Law (2016)
  • Listed Logo for Jamie Polito Johnston