Photo of Greg M. Devlin

Greg M. Devlin

Greg M. Devlin

Greg Devlin’s practice focused on civil trials, business formations and transactions, estate planning and probate, construction law and criminal defense. He had extensive trial experience and was admitted to practice at all levels of state and federal court in Washington and Idaho, including the United States Supreme Court. Greg joined Winston & Cashatt in 2008 after being in private practice with two offices since 1980. Before that, he was an elected Prosecuting Attorney and Coroner.

Areas of Emphasis

  • Civil Litigation
  • Business
  • Estate Planning-Probate
  • Real Estate
  • Construction Law
  • Criminal Defense


  • Gonzaga University School of Law, J.D., 1976
  • Washington State University, B.S. in Political Science, 1973

Admitted to Practice

  • Washington State Supreme Court
  • Idaho State Supreme Court
  • U.S. Supreme Court
  • United States Court of Appeals for the Ninth Circuit
  • United States District Court, Eastern District of Washington

Civil Litigation
Represented individuals and businesses in most areas of civil law, including business, personal injury, estates, real estate, construction law and criminal defense.

Actively involved in business formations, corporations, LLC’s, business transactions.

Estate Planning and Probate
Provided estate planning advise to individuals and families, assisted in asset protection and probate avoidance, and has extensive experience in settling estates through probate.

Real Estate
Has represented both the buyer and seller in real estate sales, has closed hundreds of transactions, prepared deeds, contracts, easements, leases, crated subdivisions, and handled property disputes of various types.

Construction Law
Represented general and specialty contractors, as well as individuals in all matters related to construction projects, contracts, liens and financing.

Criminal Defense
Represented individuals in the defense of felony, misdemeanor, and traffic offenses.

Professional and Civic Activities

  • Washington State Bar Association
  • Idaho State Bar
  • American Bar Association
  • Washington State Trial Lawyers Association
  • Former Member, Defense Research Institute
  • Fee Arbitrator, Washington State Bar Association
  • Active in civic affairs and church

Reported Decisions

  • Bartlett v. Betlach, 136 Wn. App. 8, 146 P.3d 1235 (2006), review denied, 162 Wn.2d 1004, 175 P.3d 1092 (2007)
  • Estate of Betty L. Lowe, 185 Wn. App. 216, 361 P.2d 789 (2015), rev. den. 185 Wn.2d 1019, 361 P.3d 1019 (2016)