Bonita Energy, Oil & Gas Lawyers

Jeffrey W. Weiss attended high school at Phillips Academy in Andover, Massachusetts, from which he graduated with honors, and college at Claremont McKenna College in Claremont, California, from which he received a B.A. degree in 1983, graduating magna cum laude, with honors in economics. Upon graduation from Claremont McKenna College, Jeff was admitted to Phi Beta Kappa.

Jeff obtained his Juris Doctorate degree from Tulane School of Law in 1986, from which he graduated summa cum laude. At Tulane, Jeff served as a member of the Tulane Law Review, and was admitted to the Order of the Coif honor society.

Jeff has...

I grew up in a small town in Texas and lived there until I moved to New Orleans for high school. Ever since then, New Orleans has been my home. I went to college at LSU and graduated from Vanderbilt University Law School, finishing in the top 10 percent of my class. After I graduated, I married my high school sweetheart and moved back to New Orleans to work at Liskow & Lewis, one of the most respected law firms in Louisiana. I litigated all kinds of disputes at Liskow: everything from personal injury, oil and gas, and environmental...

Alan Berteau is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1995 and practices in the legacy and commercial litigation defense groups. He represents clients in complex and class action litigation matters involving damage claims relating to oil and gas exploration and production operations, commercial disputes, chemical exposure claims, and industrial accidents.

Alan has particular experience representing clients in class action and mass tort cases involving, long-term exposure and groundwater or soil contamination, air releases, and in the use of computer technology, including mapping and litigation support software, in the management and prosecution of...

Pam Mascari is a partner in the Baton Rouge office of Kean Miller. She joined the firm in 1997 and practices in the litigation, toxic tort and pipeline defense group. She represents clients in general litigation, oil and gas litigation, intrastate pipeline regulatory matters, environmental litigation, products liability cases, complex pharmaceutical drug litigation, and state and local tax litigation. Pam has extensive experience in the Louisiana energy, petrochemical and manufacturing industry and advises clients with regard to litigation strategy and management in Louisiana courts and regulatory matters before the Louisiana Office of Conservation. Pam also has extensive experience handling complex...

Chuck Talley is a partner in the New Orleans office of Kean Miller. He practices in the admiralty and maritime, and oil and gas practice groups. Chuck has particular experience in admiralty and maritime law, personal injury defense, including defense of Jones Act seaman claims, property damage claims, Corbello litigation, appeals, and oil & gas law. He has more than 31 years of trial and appellate experience before state and federal courts throughout the United States.

Chuck is listed in Louisiana Super Lawyers, 2008-2019. He is also listed in Best Lawyers in America, 2020.

Chuck was selected by New Orleans CityBusiness as...

Russell Dickson is an associate with Wiener, Weiss & Madison. He practices in the areas of Business law, Oil & Gas Law, Real Estate Law, Probate and Succession Administration, and Commercial Litigation. At the firm, he has experience in litigation and transactional work representing landowners and business owners in Northwest Louisiana.

Troy Charpentier is a dedicated and experienced Louisiana Attorney. He joined Kean Miller in 1996, where he works with the Litigation Group in the Baton Rouge office. Troy has successfully represented local, regional and national clients in an array of legal disputes. His practice areas include General Commercial Litigation such as Contract Claims, Lease Disputes and Landlord/Tenant matters. Additionally, Troy advocates for clients with Pipeline Permitting and Incident Response before the Department of Natural Resources. He has extensive experience in Pipeline Expropriation projects. Troy is committed to providing outstanding service and the best possible outcomes.

Troy received a B.A. from Louisiana...

Christopher L. Williams focuses his practice on complex employment litigation, including cases involving violations of wage-and-hour laws, employment discrimination, sexual harassment, retaliation, unpaid wages, breach of contract, whistleblower claims, and non-compete issues. After working for some of the nation’s largest labor-and-employment law firms, he opened his own practice in 2014 to concentrate on protecting the rights of workers and employees. Mr. Williams draws on his previous experience representing employers to provide legal advice to individuals regarding potential claims and legal remedies under state and federal employment laws. Mr. Williams has litigated a wide variety of employment issues in...

Seth Moyers is a shareholder with Wiener, Weiss & Madison. He joined the firm in 2009 and practices primarily in the areas of collections, bankruptcies, and other commercial litigation. Seth has represented both commercial and individual creditors throughout the collections process, including settlements and judicial collection proceedings in both Louisiana State Courts and United States Bankruptcy Courts.

Anna O'Neal is a shareholder with Wiener, Weiss & Madison. She joined the firm in 2017 and practices in the areas of commercial litigation and oil, gas and natural resources. Prior to joining the firm, Anna's practice focused on mineral and property law matters. She also has experience advising on natural gas midstream pipeline issues, political subdivision governance, and zoning and land use matters.

Patrick Roquemore is an associate attorney in the Baton Rouge office of Kean Miller. He joined the firm in 2005 and practices in the litigation, energy, legacy oil field site, and oil & gas groups. Prior to joining Kean Miller, Patrick was a judicial law clerk for the Twenty-third Judicial District Court for the Parishes of Ascension, Assumption, and St. James. He also served as an attorney for the Louisiana Court of Appeal, First Circuit (Criminal Division). Patrick has extensive experience in all aspects of legal research, including the drafting of opinions, jury instructions, and participating in and assisting in...

Randy Cangelosi is a partner in the Baton Rouge office of Kean Miller. He practices in the litigation group. Randy represents clients in complex products liability, general litigation, commercial and business litigation, environmental litigation, healthcare issues and related business disputes, medical malpractice defense, telecommunications law and litigation, trademark and intellectual property claims, and personal injury defense. He has trial experience in products liability defense and large commercial litigation matters. He also has experience in NORM, TERM and asbestos cases in the energy industry. Randy also has served client's needs on a national level, obtaining various admissions to the bar in...

Mark Doré is senior counsel in the Lafayette office of Kean Miller. He joined the firm in 2018 and practices in the oil and gas, business and corporate and real estate groups. Mark’s practice focuses on representing upstream energy companies in Louisiana, including oil and gas transactional matters, mineral title examination, due diligence, acquisition and sale of oil and gas properties, regulatory compliance, and providing advice to attorneys and landmen at companies engaged in upstream activities.

While in law school, Mark launched his own oil and gas/real estate title company in Lafayette, Louisiana, and continued working full time as an independent...

John M. Madison, Jr. was a founding member of Wiener, Weiss & Madison and has practiced law continually with the firm since 1975. His practice includes commercial litigation, construction law, oil and gas law, with emphasis on representation of mineral owners, business law and employment law. His experience ranges from the representation of the owners of small businesses to national corporations.

Melissa Hemmans is an experienced Litigation Attorney in Kean Millers's Baton Rouge office. Her practice includes Petrochemical, Manufacturing, Municipal, Civil Rights Defense, Oil and Gas, and Local Business matters. She has extensive experience with cases involving Toxic Tort and Environmental claims. Melissa is dedicated to providing clients with creative solutions, unique strategies, and unparalleled value.

In 1996, Melissa received her B.A. from Louisiana State University. She obtained her J.D. from the LSU Law Center in 1999. Melissa is admitted to practice law in the State of Louisiana, United States Court of Appeals, Fifth Circuit, United States District Courts for the Eastern,...