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Wrongful Death
Civil Rights
Commercial Litigation
Contractual Defense & Indemnity
Coverage Disputes
Insurance Defense
Oil and Gas Litigation
Professional Liability


South Texas College of Law (J.D. 1990),

Colorado School of Mines (B.S., Petroleum Engineering 1981)

Marvin is a partner in the law firm’s Appellate and Litigation Section. Marvin is Board Certified in Civil Appellate Law. Prior to law school, Marvin worked as a petroleum engineer for two major oil companies as a drilling engineer and production engineer. Marvin is licensed to practice before all Texas state courts, the United States Supreme Court, the United States Courts of Appeals for the First, Fifth District of Columbia, and Federal Circuits, and the United States District Courts for the Southern, Eastern, Northern and Western Districts of Texas. Marvin has argued over 25 appeals before various state appellate courts and before the United States Courts of Appeals for the Fifth and Federal Circuit. In 2009, he was named a “Super Lawyer” in Texas Monthly Super Lawyers.

Following law school, Marvin worked as a Briefing Attorney for Justice Joe L. Draughn on the Fourteenth Court of Appeals.

Prior to law school. Marvin worked in the oil and gas industry as an engineer in a variety of disciplines and assignments. From 1981 to 1985, Marvin worked for Pennzoil Exploration & Production Company as a drilling engineer and production engineer. He supervised drilling operations offshore Gulf of Mexico on platforms and jack-ups as Company Man for development and wildcat wells. Marvin was also in charge of completion and work-over operations on existing production platforms. He assisted with design of drilling and completion programs for offshore wells. His production engineering experience included reserves calculations, budgeting, electric log analysis, transient pressure tests, and work-over recommendations.

From 1985 to 1987, Marvin worked for Amoco International as a drilling engineer. He supervised land drilling operations on exploratory well in Madagascar and development drilling in the United Arab Emirates. He also supervised and monitored offshore drilling on exploratory wells offshore Morocco and Australia.

Professional Associations & Memberships

Houston Bar Association;
State Bar of Texas, & Appellate Practice Section;
Bar Association of the Fifth Federal Circuit;
Texas Association of Civil and Appellate Specialists;
Defense Research Institute;
Texas Association of Defense Counsel;
International Association of Drilling Contractors.

Bar Admissions

Texas, 1990
U.S. District Courts for the Eastern, Northern, Southern and Western Districts of Texas
U.S. Court of Appeals First Circuit
U.S. Court of Appeals Fifth Circuit
U.S. Court of Appeals District of Columbia Circuit
U.S. Court of Appeals Federal Circuit
U.S. Supreme Court, 1996

Presentations & Publications

IADC Contracts & Risk Management Conference, “Cleere vs. Dominion: Lessons Learned from the 5th Circuit’s Decision” (Houston, Texas. November 2004).

IADC Contracts & Risk Management Conference, “Contract and Alien Tort Claims Act Update” (Houston, Texas. November 2006).

IADC Contracts Workshop. (Midland, Texas. October 2007)

IADC Contracts Workshop. (Denver, Colorado. March 2008)

IADC Contracts and Risk Management Conference, “So, You Thought You Had a Valid Indemnity Agreement? Not in Some States” (Houston, Texas. November 2008).

IADC Contracts and Risk Management Conference, “How Do Courts Interpret Drilling Contracts? A Review of Recent Opinions.” (Houston, Texas. October 2010).

The Federal Judicial Center National Conference for Pro Se Law Clerks, “Frequently Litigated Issues in Private Prisons.” (New Orleans, Louisiana. September 2013)