Calvin Energy, Oil & Gas Lawyers

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...

Julie Silbert is special counsel in the New Orleans office of Kean Miller. She joined the firm in 1994 and practices in the environmental law and commercial litigation groups. Julie has extensive experience in the Louisiana energy, petrochemical and manufacturing industry and works with clients regarding litigation strategy and litigation management. She has experience in litigation involving complex commercial matters, casualty, toxic mold, NORM litigation, and environmental contamination.

Julie earned her B.A., summa cum laude, from Tulane University. She earned her J.D., cum laude, from Tulane University Law School in 1984. Julie was a recipient of a Thomas J. Watson Fellowship...

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...

Richard McConnell is a partner in the Baton Rouge office of Kean Miller. He is trial counsel for energy and financial companies in high stakes lawsuits involving a wide variety of claims. Prior cases involved soil and groundwater contamination, wetlands loss, toxic tort exposure, lost mineral leasing opportunities, mineral lease cancellation, pipeline right-of-way claims, expropriation/condemnation, and commercial litigation. Richard also serves as appellate counsel arguing before state and federal appellate courts.

Richard’s recent experience includes obtaining a successful verdict as trial counsel for national pipeline companies in a wetlands loss lawsuit involving canals that widened over time, he was lead...

Mr. Kingsdorf graduated from Tulane University in 1971 and from Tulane University School of Law in 1974. He clerked at the Louisiana Fourth Circuit Court of Appeal for Judges Peter Beer and Ernest N. Morial and then clerked at the Louisiana Supreme Court for Justice Albert Tate, Jr. In 1980, he became a partner in the firm of Cleveland, Barrios, Kingsdorf & Casteix where he remained until 1995 when he co-founded the firm of Barrios, Kingsdorf & Casteix, LLP. In addition to serving as faculty member at numerous seminars, he has lectured at the Tulane University School of Law...

Trey McCowan is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1989 and practices in the litigation group. Trey represents local, regional and multi-national energy and petrochemical clients in a wide variety of litigation matters. He has specific experience representing clients in litigation involving complex commercial agreements and legacy site litigation in the energy industry. Trey also represents clients with regard to environmental litigation and toxic tort defense. He also advises clients on electronic discovery, e-discovery compliance, electronically stored information (ESI), electronic information management, and retention and destructive policies and procedures.

Trey is listed...

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...

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,...

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...

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...

Michael S. Brandner, owner of the Brandner Law Firm, was born in New Orleans, Louisiana. He grew up there and attended Jesuit High School. After graduating from high school, he attended Louisiana State University in Baton Rouge, Louisiana, where he earned his bachelor's degree in political science in 1999. He then went on to study law at the Loyola University New Orleans School of Law where he served on the Executive Board of the Loyola Student Bar Association and was a member of the Loyola University School of Law Board of Trial Advocates. Mr. Bradner received his juris doctor in 2002....

Amanda Howard Lowe is a partner in the New Orleans office of Kean Miller. She joined the firm in 2009 and practices in the admiralty and maritime, energy and corporate litigation groups. Amanda has considerable experience in a wide variety of admiralty issues, including Jones Act and personal injury defense, maritime litigation, oil and gas exploration, drilling accidents, well blowouts, cargo damage, ship collisions, ship allusions, vessel groundings, lift board and jack-up rig accidents, vessel mortgage filings, product liability, redhibition, as well as premises liability, construction defect litigation and general personal injury litigation. Amanda's experience also includes assisting clients in...

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...

Mr. Caplinger concentrates his practice on representation of debtors, creditors, and creditor committees in Chapter 11 bankruptcy reorganization cases, creditors in Chapter 7, 11, and 13 cases, and creditor defendants in all aspects of prosecution and defense of claims and actions before bankruptcy courts and in related litigation before federal district courts. He also represents clients in other commercial litigation matters. Mr. Caplinger was admitted to practice before all State and Federal Courts in the State of Louisiana in 1998 and has been admitted pro hac vice and has appeared before the Northern District of Oklahoma, the Bankruptcy Courts...

Licensed in Louisiana and Texas; 1988 - Graduated from Texas A&M University - Bachelor of Business Administration in Finance; 1991 - Graduated from Texas Tech University School of Law - Doctor of Jurisprudence

Kimberly Hymel is an attorney in the Baton Rouge office of Kean Miller. She joined the firm in 2004 and practices in the energy, oil and gas, pipeline and commercial litigation groups. Kimberly represents national and international energy and petrochemical clients in a wide variety of litigation, with particular experience in environmental property damage cases, commercial contractual disputes, and toxic tort litigation. She has also worked extensively on electronic discovery issues, including management of large-scale discovery efforts for multi-national companies and advising clients regarding development and implementation of workable strategies, procedures, and discovery software tools for the collection, review, and...