Jeffrey Lieberman

Greg Duplantis’ legal practice centers on oil and gas property title examination with an emphasis on analyzing and rendering complex opinions concerning title that is held by production. He frequently calculates varying royalty interests, overriding royalty interests, and proportionately burdened net revenue interests. Greg routinely renders “stand up” title opinions that require physically searching the indices of courts' conveyance records and executing opinions on site. H...

Bob Duplantis has dedicated his entire career to the oil and gas industry. Prior to joining the firm in 1982 and establishing its Lafayette office, Bob spent more than a decade serving in-house oil company legal departments, including six years as a lobbyist in Baton Rouge, Louisiana. Bob’s law practice focuses on Louisiana oil and gas regulation and “meat-and-potato” legal issues. He routinely argues contract disputes affecting the oil and gas industry, including lease inte...

A Lafayette native, Jimmy earned his Juris Doctorate from Louisiana State University Law School in 1986. During law school, he authored an article entitled “Native Born Acadians and the Equality Ideal” 46 LA. Law Rev. 1151 (1986). He is admitted to practice in all federal and state courts in Louisiana, the U.S. Court of Appeals for the Fifth Circuit, and the U.S. Supreme Court. He is also admitted to practice in Texas. He is currently Treasurer of the Francophone Section of the Lo...

Sam Masur’s practice is concentrated in the areas of oil and gas litigation, general commercial litigation, oil and gas titles, oil and gas and oil field service company acquisitions and divestitures, and general business acquisitions and divestitures. In both Louisiana state and federal courts, Sam litigates oil and gas and general business contract disputes involving oil and gas leases, overriding royalty interest agreements, joint operating agreements, and distribution agreements and...

James P. Roy is a senior partner and managing member of the plaintiffs' personal injury firm Domengeaux Wright Roy Edwards LLC in Lafayette, Louisiana. Focusing his practice on civil litigation, he represents plaintiffs throughout Louisiana and the Gulf coast involving vehicular accidents, admiralty and maritime law, personal injury and wrongful death. Mr. Roy has served as co-lead class counsel for the BP Oil Spill, Deepwater Horizon multi-district federal litigation (MDL 2179). He has obtai...

Dorrell J. Brister is a top attorney recognized by Best Lawyers in the practice area(s) of Trusts and Estates. Dorrell J., who practices law in Alexandria, Louisiana, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Dorrell J. is held by other top lawyers in the same geographic and legal practice area.

Army joined the Firm in March 2011, bringing the knowledge and experience he earned over the course of his successful entrepreneurial career. His practice focuses on creditors’ rights, bankruptcy, and commercial transactional work for corporate, oil, gas and energy clients in Louisiana and Texas. Army is also one of only seven Sub-Chapter V bankruptcy trustees selected by the Department of Justice’s United States Trustee Program to serve in the State of Louisiana. Army is a skille...

Jerry Schiff practices in the areas of mediation and bankruptcy/ debtor-creditor law. He joined Gordon Arata in 2006 after serving over a decade as U.S. Bankruptcy Judge for the Western District of Louisiana. While he principally presided over cases in the Lafayette, Opelousas and Lake Charles Divisions of the Western District, he occasionally sat in the Shreveport and Alexandria Divisions, as well as the Eastern and Middle Districts of Louisiana. It was in the latter District where he presid...

Andrew Quackenbos is a top attorney recognized by Best Lawyers in the practice area(s) of Admiralty and Maritime Law. Andrew, who practices law in Lafayette, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew is held by other top lawyers in the same geographic and legal practice area.

Gary Russo is a partner in the Litigation Practice Group. He practices in areas involving oil and gas, commercial and environmental, and insurance fraud and coverage. Gary is an accomplished litigator who represents clients in a broad range of commercial, multi-district, mass tort, and class action disputes. He has extensive trial experience, having organized, handled, and argued cases before judges and juries in state, federal district, and appellate courts in more than half of the US states...