Best Lawyers in Louisiana, United States for Commercial Litigation
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Cities
Melissa Harris is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Melissa, who practices law in New Orleans, Louisiana, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Melissa is held by other top lawyers in the same geographic and legal practice area.
A. Paul LeBlanc, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. A. Paul, who practices law in Baton Rouge, Louisiana, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which A. Paul is held by other top lawyers in the same geographic and legal practice area.
Walt Green focuses his practice on cybersecurity, white collar criminal defense and governmental investigations, and litigation. He is a Financial Industry Regulatory Authority arbitrator dedicated to serving the securities industry and investing public. Walt was the United States Attorney for the Middle District of Louisiana and the Executive Director for the National Center For Disaster Fraud from 2013-2017. He retired from the United States Department of Justice with over 20 years of feder...
Brett Venn is a partner in the Litigation Practice Group. He focuses on business and commercial disputes. Brett represents energy clients in litigation concerning energy infrastructure, including pipelines and LNG facilities. He currently represents energy companies in tort actions, challenges to contracts, actions enforcing right of way and servitude agreements, and appeals of severance tax assessments. He has also represented energy-industry clients in contract disputes, shareholder dispute...
Gwen Harmon is a lawyer at Kean Miller in Baton Rouge, Louisiana, focusing her practice on Commercial Litigation and Litigation – Environmental , with a concentration on electronic discovery and electronically stored information (ESI). She brings more than 20 years of experience handling e-discovery matters in federal and state courts, supporting clients in complex, multi-party litigation. Her work has included large-scale document reviews involving products liability claims, toxic tort...
Greg Grimsal practices in the area of commercial litigation (for which he was named a “Best Lawyer” in 2012), with some concentration in the areas of general contract disputes, commercial real estate, commercial leases, risk management and casualty matters (including coverage questions and lost policy issues), and complex products liability litigation. He has litigated maritime lien ranking disputes, oil and gas royalty suits and environmental cleanup cases, as well as several hig...
Gregory Thomas Stevens is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Gregory Thomas, who practices law in Baton Rouge, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gregory Thomas is held by other top lawyers in the same geographic and legal practice area.
David J. Shelby is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. David J., who practices law in Baton Rouge, Louisiana, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David J. is held by other top lawyers in the same geographic and legal practice area.
Practicing law since 1995, Taylor Porter Partner John S. Campbell III is engaged primarily in a litigation practice and serves as the co-chair of the firm's professional liability, insurance, casualty, product liability and personal injury litigation practice. In the last several years, his work has mainly involved commercial litigation, construction litigation, breach of fiduciary duty litigation, real estate litigation, class actions, admiralty and maritime cases, premises liability and gen...
As a Board-Certified Health Law specialist, Scott represents hospitals and health systems, single- and multi-specialty physician practices, pharmacies and other health care providers in federal and state health law regulatory, operational, transactional and litigation matters. Scott also represents clients in certain complex commercial litigation matters.
John T. Balhoff, II, a member of the firm, was born in Baton Rouge, Louisiana in 1971. He attended college at the University of Notre Dame and graduated from there, cum laude, in 1993, receiving a Bachelor of Business Administration degree in finance. Mr. Balhoff received his Juris Doctor degree from the Paul M. Hebert Law Center at Louisiana State University in 1996. Mr. Balhoff presently is admitted to the Louisiana Bar and he also is admitted to practice before all United States District C...
Jennifer L. Thornton is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Commercial Litigation and Medical Malpractice Law - Plaintiffs. Jennifer L., who practices law in New Orleans, Louisiana, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jennifer L. is held by other top lawyers in the same geographic and legal practice area.
Craig Isenberg is a trial and appellate lawyer focusing on complex litigation matters, including commercial disputes, mass and toxic torts, environmental, product liability and securities matters. Craig has extensive trial experience in high-stakes litigation—trying jury and bench trials in Louisiana and across the country. He has tried a significant Clean Water Act case against the Department of Justice, dozens of toxic tort trials involving hundreds of plaintiffs, and a variety of com...
Lauren Mastio is a partner in the Litigation Practice Group and a member of the board of directors. She handles all aspects of litigation, with a focus on the energy and construction industries. Lauren advises and represents oil and gas industry clients on matters concerning property contamination and restoration; downhole issues; land loss and subsidence; the rights and obligations of parties to joint operating agreements, oil, gas, and mineral leases, surface leases, oil and gas asset purch...
David Patrón serves as the Regional Practice Coordinator of the firm’s New Orleans Litigation Group where he manages one of the firm’s largest practice groups. With over twenty years of legal experience, David Patrón has established a solid reputation as a talented litigator who successfully represents businesses at all phases of litigation in state and federal courts throughout the Gulf South and beyond. Whether winning at trial or negotiating favorable settlements,...
Our Methodology
Recognition by Best Lawyers is based entirely on peer review. Our methodology is designed to capture, as accurately as possible, the consensus opinion of leading lawyers about the professional abilities of their colleagues within the same geographical area and legal practice area.
The Process
Best Lawyers employs a sophisticated, conscientious, rational, and transparent survey process designed to elicit meaningful and substantive evaluations of the quality of legal services. Our belief has always been that the quality of a peer review survey is directly related to the quality of the voters.