Hillary J. Collyer

Hillary J. Collyer

recognized lawyers icon Recognized in Best Lawyers since 2022
Awarded Practice Areas
Family Law Family Law Mediation
Awarded Practice Areas
Family Law Family Law Mediation
Works at
Lasher

25 Best Lawyers awards

Lasher logo

Biography

Hillary is a Principal of the firm. She is an experienced trial attorney whose practice focuses primarily on family law litigation, including complex marital dissolutions of high net worth estates that involve business valuations and separate property tracing. Hillary has broad experience with contested parenting matters, including establishing residential schedules and child support, as well as post-decree modifications of parenting plans, child support orders, and relocation actions. She also has experience litigating parentage cases and committed intimate relationship claims, as well as drafting, negotiating, enforcing and defending against prenuptial and postnuptial agreements.

Hillary has extensive experience in Washington State courts as well as in federal and state trial and appellate courts of Virginia and Washington, D.C. Hillary began her legal career working at a boutique litigation firm in Alexandria, Virginia. Prior to moving to Seattle and joining LHS&E, she handled complex employment law and commercial litigation matters for more than ten years. She has been practicing in Washington state since 2013.

Works at
Lasher

25 Best Lawyers awards

Lasher logo

Locations

Languages

  • English

Education

  • George Washington University, J.D.
  • State University of New York at Oswego, B.A.

Bar Admissions

  • Washington, Washington State Bar Association, 2013

Affiliations

  • Family Law CASA of King County - Board of Directors
  • Northern Virginia Pro Bono Law Center - Attorney Participant in Pro Bono Uncontested Divorce Program
  • Virginia Women Attorney's Association, Northern Virginia Chapter - Board of Directors, 2009-2013

Client Testimonials

Awards & Focus

Recognized in The Best Lawyers in America® 2026 for work in:
  • Family Law
  • Family Law Mediation
Additional Areas of Practice:
  • Employment Law - Individuals
Awards:
  • Named to “Best Lawyers” by the Best Lawyers in America in the practice of Family Law, 2022 ed., 2023 ed.
  • Recognized as a Super Lawyer, Family Law, by Washington Super Lawyers magazine, 2019-2022

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