Christopher (Chris) Mangen, Jr


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Christopher (Chris) Mangen, Jr. has been with the firm since 1980. He began his career in the firm’s Energy, Environment and Natural Resources Department, emphasizing oil, gas and water law. He has been on the faculty of the Rocky Mountain Mineral Law Foundation Short Course on Federal Oil and Gas Leasing and has served as the faculty chairman for the course. He has also lectured on various topics in the natural resources and real estate areas. Since the mid 1980’s Mr. Mangen’s practice has increasingly emphasized on general litigation and he has become heavily involved in the areas of natural resources related disputes, personal injury, product liability and commercial litigation.

Practice Areas

Bar Admission



1980 – J.D. University of Montana School of Law
1976 – B.A. Montana State University

Honors & Awards

Best Lawyers in America in Energy Law, Natural Resources Law, and Oil and Gas Law (1995 – present)
Best Lawyers in America – Lawyer of the Year 2023 – Natural Resources Law
Chambers USA – Leading Lawyers in Natural Resources & Environment

Professional Affiliations

State Bar of Montana
American Bar Association
Yellowstone County Bar Association

Reported Decisions / Cases

Norbeck v. Crawford 254 Mont. 256, 836 P.2d 1231 (1992)
McCabe Petroleum Corporation v. Easement and Right-Of-Way, 2004 MT 73
Elks Nat’l Foundation v. Weber, 942 F.2d 1480 (9th Cir. 1991)
Continental Oil v. Elks Nat’l. Foundation, 235 Mont. 437, 767 P.2d 1324 (1989)