Leslie J. Schiff

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...

Robert M. Kallam is a seasoned litigation attorney with more than thirty years of experience representing clients in state and federal courts at the trial and appellate levels. Based in Lafayette, Louisiana, he is a shareholder at Kean Miller and focuses his practice on Administrative / Regulatory Law and Admiralty and Maritime Law, along with complex civil litigation arising from marine , energy, transportation, and insurance-related matters. He regularly represents companies involved in hig...

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.

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...

Mr. Stevens was born in Opelousas, Louisiana and served in the U.S. Army JAG Corps. He earned his Juris Doctorate degree from Louisiana State University Law School in 1979 and served as Law Clerk to the Honorable John M. Shaw, United States District Court, Western District of Louisiana until 1981. He is admitted to practice in all federal and state courts in Louisiana, the U.S. Court of Appeals for the Fifth Circuit and is duly admitted and qualified as an Attorney and Counselor of the Suprem...

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...

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...

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...

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...

Suzette Marie Smith is a seasoned family law attorney with 36 years of experience guiding clients through divorce, child custody, support, spousal support, injunctions, and matrimonial agreements. A certified Family Law Specialist by the Louisiana Board of Legal Specialization, she is recognized as a Louisiana Family Law Super Lawyer and AV Preeminent rated by Martindale-Hubbell. Discover more about Suzette’s practice here .