Mark is a trial attorney with nearly 20 years of experience representing energy industry clients in a broad range of lawsuits and arbitrations, including royalty disputes, class actions, disputes under operating agreements, and other energy-related contract disputes.
In addition, he represents clients in administrative proceedings, audits, and investigations involving claims by state agencies and the federal government concerning royalties, civil penalties, notices of noncompliance, and the False Claims Act. Mark also counsels clients with regard to the calculation of federal and private royalties, including issues related to the handling of post-production costs. His nationwide energy practice includes lawsuits, arbitrations, and administrative proceedings in or involving Texas, Alaska, Colorado, Mississippi, New Mexico, North Dakota, Oklahoma, Utah, and Wyoming. Additionally, Mark represents clients in appeals before the Department of the Interior Office of Hearings and Appeals, and the Office of Natural Resources Revenue.