Mark R. Ruppert


With significant experience in environmental and natural resources law, energy companies engage Mr. Ruppert when faced with high-stakes disputes. He employs his years of trial advocacy experience to bring his clients' cases to favorable resolution. He has a successful track record of trying or economically settling energy company cases to achieve positive business results for his clients.

Mr. Ruppert's practice centers on complex environmental and commercial litigation for oil and gas companies, pipelines, refineries, and power plants. As lead counsel, he has handled matters involving the federal False Claims Act, royalty underpayment and reporting, class actions, surface access and subsurface disturbance, air and water permit appeals, environmental and Nuclear Regulatory Commission notices of violation, and patent infringement in federal and state courts and before federal and state agencies.


2515 Warren Avenue
Suite 450
Cheyenne , Wyoming , 82001-3162
United States

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