Get to Know Our Dedicated Legal Professionals in Eastern Washington

Stephen Matthews is an accomplished civil and criminal trial attorney. He has served Spokane County as Deputy Prosecuting Attorney and Chief Criminal Deputy Prosecutor.

His most notable prosecution was against serial rapist Fred Harlan Coe who is known as the “South Hill Rapist.” Steve joined our Phillabaum, Ledlin, Matthews, and Sheldon in 1995. His practice focuses on all types of litigation with an emphasis in real estate litigation, estate disputes, employment matters, including workers compensation, disability issues, non-compete agreements, discrimination including sexual and other forms of harassment. He also has extensive experience in professional licensing cases and administrative law. Although his experience is heavily focused on litigation and trial work, Mr. Matthews describes his personal objective as an attorney to be service oriented, “I just want to help solve my clients’ problems.”

His Master’s Degree in Public Policy Studies and Juris Doctorate were conferred by Brigham Young University. Steve is married with three sons and five grandchildren.

Robb Grangroth’s practice is primarily focused in the areas of probate and estate planning, business contracts, business formation and corporate management, as well as real estate including boundary disputes and easements. He is an experienced trial lawyer frequently assisting his clients in the areas of probate litigation, Will contests, insurance disputes, as well as many other various civil litigation matters. Robb’s goals as an attorney are to provide assistance and advice through all stages of life, both personal and professional, and to achieve the best possible results for his clients.  

Robb obtained his Bachelor’s Degree from the University of Utah and then earned his Juris Doctorate degree from Gonzaga University in 2000, receiving a CALI Award in Estate Planning for ranking highest amongst his peers. From Gonzaga University, Robb went on to the University of Washington where he obtained his postgraduate Master of Laws degree in Taxation, graduating in 2001.

In 2005, he opened his own private law practice here in Spokane and eventually joined Phillabaum, Ledlin, Matthews & Sheldon in 2016.

Originally from Salt Lake City, Utah, Robb has called Washington home for more than 20 years. While attending law school at Gonzaga, he met his wife Mary—a Spokane native and the love of his life. They have two energetic sons and enjoy spending their free time exploring the outdoors throughout the Pacific Northwest. As a family, they enjoy hiking, biking, camping, fishing, downhill skiing, and backpacking through the region’s many scenic trails.

Winston Matthews was born and raised in Spokane, Washington and graduated from Ferris High School. He received his BA in English from Brigham Young University in 2006. Upon graduation, Winston joined Phillabaum, Ledlin, Matthews, and Sheldon to study under the Washington State APR 6 Law Clerk program. He has been a licensed attorney since 2010.  Winston prides himself on a pragmatic, reasonable, and collaborative approach to  the practice of law. Winston’s broad litigation experience includes insurance disputes, real estate, probate, contract, personal injury, construction, and other litigation matters. This experience allows him to focus on meeting the unique needs of each client.

Winston is bi-lingual, speaking both English and Spanish. His hobbies are competitive cycling, woodworking, and cabinetry.

Trevor Matthews is a civil litigator at PLMS. Born and raised in Spokane, he graduated from Ferris High School in 2004. Trevor began his legal career after graduating magna cum laude from the University of Minnesota Law School, where he joined the order of the coif. He was also an editor at Minnesota Law Review. Trevor assists clients with a wide variety of legal issues, including real property disputes, insurance coverage issues, personal injury matters, renewable energy contracts, and landlord tenant law.

Before becoming an attorney, Trevor was a composer and musician. He received a master’s degree in music composition at Bowling Green State University, where he later taught music theory, composition, and orchestration. Trevor received a Bachelor of Music degree with emphasis in Composition from Brigham Young University.

Trevor believes in client-focused, responsive, cost-conscious, legal practice and is eager to assist you in solving your legal problems.

Kate joined the firm in January 2024 and enjoys working with people to seek solutions and navigate legal situations. She particularly enjoys working with people in planning for the future as they age and helping families with the probate process. Kate received her Bachelor of Science degree in Zoology from Brigham Young University in 2000 and her Juris Doctorate from Seattle University in 2005. She was admitted to the Washington State Bar Association in 2005. Kate is the mother of four children and a cookbook author.

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