Randall K. "Randy" Theunissen

Selected to the 2016 Louisiana Super Lawyer list in the Environmental Litigation, Energy and Natural Resources Law, and Business Litigation practice areas (other years recognized: 2009, 2010, 2011, 2012, 2013, 2015) 2014 Baton Rouge Area Environmental Lawyer of the Year; 2016 Lafayette Area Environmental Lawyer of the Year Selected for inclusion in The Best Lawyers in America for Energy Law, Litigation - Environmental, Natural Resources Law and Oil & Gas Law Practice Concentration & E...

Robert M. Kallam is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative / Regulatory Law and Admiralty and Maritime Law. Robert M., who practices law in Lafayette, Louisiana, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert M. is held by other top lawyers in the same geographic and legal practice area.

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...

Charles S. Weems III is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Charles S., who practices law in Alexandria, Louisiana, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Charles S. 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...

Alex Prochaska is special counsel in the Corporate and Litigation practice groups, where he focuses his practice on environmental law. Alex defends clients in enforcement actions brought by state and federal agencies alleging violations of environmental laws including the Clean Air Act (CAA), Clean Water Act (CWA), Resource Conservation and Recovery Act (RCRA), Coastal Zone Management Act, and their state counterparts. Alex also counsels clients in responding to information requests from gove...

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...

Mark R. “Tiger” Pharr III has represented clients for more than 35 years in a wide range of matters, including construction defect, premises liability, insurance defense, personal injury, professional liability, and trucking. Tiger’s litigation practice includes jury trials, bench trials, mediations, and arbitrations, and he has handled appeals before state and federal courts. His experience also includes acting as a mediator and arbitrator in civil cases. Explore Tiger&rsqu...

Selected to the 2016 Louisiana Super Lawyer list in the Environmental Litigation practice area (other years recognized: 2013, 2014, 2015) 2011 Baton Rouge Area Environmental Lawyer of the Year Selected for inclusion in The Best Lawyers in America for Litigation - Environmental since 1995 Practice Concentration & Experience Summary: Since he began practicing in 1979, Mr. McNamara has handled a wide range of civil litigation in venues throughout Louisiana. Concentrating on energy litigation...

Robert Waddell is a partner in the Litigation Practice Group. He focuses on intellectual property litigation. Robert advises and represents clients in matters involving patents, trademarks, copyrights, trade secrets, unfair trade practices, and unfair competition. Robert also handles matters related to commercial and business litigation, including breach of licensing, confidentiality, consulting, and employment agreements. He has represented clients throughout the United States in federal and...