Clayton Gregersen is an Associate in the Energy, Environmental and Natural Resources Department in the firm’s Billings office. His primary areas of practice include oil and gas, environmental and natural resource law and related litigation. Clayton graduated at the top of his class from the University of Wyoming College of Law. While in law school, he was a Rocky Mountain Mineral Law Foundation Scholar, served as an extern for the Honorable Justice William U. Hill of the Wyoming Supreme Court, worked with the Wyoming Attorney General’s Water and Natural Resource Division and served on the Wyoming Law Review.

Originally from Big Horn, Wyoming, Clayton enjoys golfing, snowboarding, hiking, hunting and most outdoor activities.

Practice Areas

Bar Admission

Montana, 2015
U.S. District Court, District of Montana, 2015
Wyoming, 2016


2015 – J.D., University of Wyoming College of Law, with Honor, Order of the Coif
2011 – B.A. in Criminal Justice, University of Wyoming

Honors & Awards

Rocky Mountain Mineral Law Foundation Scholar, 2014
Partnered with Justice Kate M. Fox of the Wyoming Supreme Court in the first annual Spence Law Firm Historical Trial

Professional Affiliations

State Bar of Montana
State Bar of Wyoming