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Lyliane Couture

Lyliane Couture is a graduate of the University of Idaho College of Law, and the University of Washington.  She began her career as a Deputy Prosecutor for Grant County in 2002.  As a deputy prosecutor she prosecuted crimes and worked as a civil deputy. Lyliane Couture opened her own law firm in 2008 in Moses Lake, Washington.

Couture Law Firm, Inc. represents Criminal Defendants in Central Washington, including:  Grant County, Adams County, Douglas County, Kittitas County, Ephrata, Moses Lake, Quincy, East Wenatchee, Ellensburg, Ritzville, and Othello.

Lyliane Couture is also a private pilot (ASEL) and holds an instrument rating.  Before becoming a lawyer, Lyliane was a real estate agent in the Seattle, Washington, area. This varied experience and her depth of knowledge allows her to provide effective legal services in many different areas of the law.  She is a member of several civic and professional organizations in the Moses Lake area.  She has represented government agencies in Grant County and beyond, including the Board of County Commissioners, building department, fire marshal, treasurer, auditor, assessor, sheriff and law enforcement agencies.

The National College for DUI Defense®, Inc. (NCDD) is a professional, non-profit corporation dedicated to the improvement of the criminal defense bar, and to the dissemination of information to the public about DUI Defense Law as a specialty area of law practice. 

Experienced, Aggressive, LOCAL Criminal Defense. Hire a former prosecutor who knows the game. Click on the Badge for Avvo profile.


  • National College of DUI Defense
  • Lawyer Pilots Bar Association
    (2011- present)
  • Washington State Association for Justice
  • Washington Association of Criminal Defense Lawyers
  • Washington Defender Association
  • American Bar Association
    (2003- present)
  • Washington State Bar Association 
  • Grant County Bar Association 


  • Recommend Her to Friends and Family Any Day

    When I was confused and in need of professional help on a bogus assault charge I called several attorney's and they wouldn't even talk to me without getting paid. When I called Lyliane Couture she made time to chat and talk about my case at no charge, I hired her to help me on my case she was sup...
  • completely satisfied with her work and professionalism

    Lyliane promised I did not have to do any work and would handle my traffic violation completely. She delivered as promised and I am completely satisfied with her work and professionalism. Thank you.
  • Her court demeanor as a defense attorney is second to none

    I became aware of this attorney through other cases she has handled for my friends. Her court demeanor as a defense attorney is second to none. I needed a will, and she referred me to another attorney, in another firm. She explained that she does not specialize in wills, but would refer me to sev...
  • Outstanding Communication

    Lyliane Couture's Office has outstanding communication, timely responses, and great service for the price. I was very pleased with the service that we received. I would definately recommend Lyliane Couture to anyone needing legal assistance.
  • Highly Recommended

    From the support staff to the attorneys, all around professionals that deliver great results! Would highly recommend and use again if need be.
  • Very Professional and Involved

    Lyliane Couture and her assistant made my experience easy and painless. Very professional and involved. The service I needed was literally finished in a couple of weeks. Could not have been more pleased. Thank for all you have done for me!
  • Friendly, Knowledgeable Staff

    I highly recommend Couture Law, friendly, knowledgeable staff. Lyliane herself was quick in action on my behalf.Her swift action put my mind at ease during a stressful situation that occurred. Thank you for all that you do, very grateful for your services. I definitely won't hesitate to have you ...

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