Mark Stonecipher is a seasoned trial attorney with a business litigation practice that spans more than 40 years and includes major cases across Oklahoma and throughout the country. His practice focuses on oil and gas, land use, environmental, products liability, antitrust, business defamation, and intellectual property litigation—including unfair competition, trademark, trade dress, copyright, and patent claims.
Mark has served as lead trial counsel in high-stakes cases in state and federal courts in Oklahoma, California, Florida, Alabama, Arizona, Arkansas, Iowa, Kansas, New Mexico, and Texas. Known for his strategic acumen and thorough preparation, he represents clients ranging from individuals and small businesses to large corporations.
In addition to his legal career, Mark is an active civic leader. He is also the owner of an independent oil and gas company.
EDUCATION
- J.D., University of Oklahoma College of Law, 1983
- Oklahoma Law Review, Editor & Note Editor
- B.S., Oklahoma City University, magna cum laude, 1980
BAR ADMISSIONS
PROFESSIONAL MEMBERSHIPS
- American Bar Association
- Oklahoma Bar Association
- Oklahoma County Bar Association
- Ruth Bader Ginsburg American Inn of Court
- Federal Bar Association
AWARDS & HONORS
- The Best Lawyers in America
- Litigation – Trusts and Estates (2014–2025)
- Commercial Litigation (2021–2025)
- Community Association Law (2021–2025)
- Construction Law (2021–2025)
- Land Use & Zoning Law (2021–2025)
- Super Lawyers, 2006, 2013–2014
- Chambers USA, 2010–2011
- Martindale-Hubbell AV Preeminent Ranking
- Leadership in Law honoree, 2009
- Oklahoma Bar Association President’s Award, 1989
- Outstanding Young Lawyer Award, 1990
COMMUNITY LEADERSHIP
- Vice Mayor & Ward 8 Representative, Oklahoma City Council
- Oklahoma City Board of Adjustment – Former Chair
- Gaillardia Community Association – President
- City Care – Board of Directors
- Whiz Kids – Board of Directors
- Quail Creek Homeowners Association – President
- Oklahoma City Charter Revisions Committee – Member
- University of Oklahoma College of Law Alumni Association – Former President
- Oklahoma City University Alumni Association – Board Member
- Quail Creek Golf & Country Club – President
- Oklahoma Bar Association & Oklahoma County Bar Association – Board Member
- Oklahoma Attorneys Mutual Insurance Co. – Board of Directors
- Oklahoma Independent Petroleum Association – Member
REPRESENTATIVE MATTERS
- Tarrant v. Capstone Oil & Gas Co. – Reversed $7.6 million jury verdict and clarified operator duties under JOA
- Wallace v. Martial Arts Enterprises Inc. – Significant arbitration win for trademark infringement
- City of Norman v. Sutton Creek Dev. LLC – Secured a 60% increase in condemnation award for developer
- Chesapeake Energy Corp. v. TXD Services LP – Represented drilling contractor in breach of contract dispute
ARTICLES & PUBLICATIONS
- “Real Property: The Stability of Riparian Land Titles and the Wild and Unruly Cimarron River,” Oklahoma Law Review, 1983
- “Rev. of Handbook of Local Government Law,” Oklahoma Law Review, 1983
- “Essentials of Taking Depositions,” Oklahoma Bar CLE
