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Energy Attorney

Jack has over 25 years of experience in the oil and gas and energy-related legal practice. He has participated in several class action suits regarding the interpretation of oil and gas leases, Federal Power Commission suspended funds, Securities Act of 1933 and Securities and Exchange Act of 1934. He has represented significant litigation involving take or pay contracts, the right to and value of helium as well as state and federal antitrust laws. He has provided assistance regarding the purchase and sale of oil, gas and coal assets, including due diligence and documentation of the transaction as well as addressing applicable regulatory requirements.

Jack has also interpreted and advised clients on matters relating to oil and gas purchase and sale, as well as transportation contracts, receipt point agreements, joint operating agreements, transportation of gas, subsurface storage of gas, the environmental aspects of the practice as well as oil and gas leases including federal leases. Prior and present representation includes clients from various states including Michigan, Texas, Kansas, Colorado, Oklahoma, Louisiana and Wyoming.

For more information, please contact Jack Sage at 616/336-6557 or


Honors & Recognitions

Martindale-Hubbell® Distinguished™ Peer Review Rated

Professional Affiliations

Grand Rapids Bar Association

Kansas Bar Association

Michigan Oil and Gas Association

State Bar of Michigan: American Indian Law Section; Real Property Section; Environmental Law Section; Business Law Section


Washburn School of Law
Topeka, Kansas
J.D., 1973

Western Michigan University
Kalamazoo, Michigan
B.A., 1967

Bar Admissions

  • Michigan

Court Admissions

  • All Michigan state courts
  • United States District Court for the Eastern District of Michigan
  • United States District Court for the Western District of Michigan
  • United States Supreme Court
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