About
Thear J. Lemoine is a director and shareholder with a general litigation defense practice in New Orleans and Gulfport. He handles appellate, commercial auto, construction, environmental, insurance coverage, Jones Act, oilfield, personal injury, premises liability, products liability, professional liability, property, trucking, and wrongful death matters for business clients.
Thear earned his law degree from Louisiana State University Law Center in 1999. He also graduated from Loyola University New Orleans in 1995. He is admitted in Louisiana and Mississippi, and before the U.S. Court of Appeals for the Fifth Circuit and the federal district courts in Louisiana and Mississippi.
Thear investigates sensitive internal allegations and quickly assesses risks while helping clients manage their response. He also advises clients on contractual and general business issues. He stays current through workshops focused on legal developments and technology that support effective, efficient service in complex litigation and business matters.
Thear awards include Super Lawyers Rising Star from 2010 to 2014 and New Orleans City Business Magazine “Ones to Watch” in September 2013. He has also been recognized in The Best Lawyers in America from 2021 to 2026 for insurance law, litigation, and related defense work areas.
Thear has argued before the United States Fifth Circuit Court of Appeals and state appellate courts. He has tried many cases in the federal and state district courts of Louisiana and Mississippi. His representative matters include insurance, professional liability, trucking, product liability, ERISA, employment, construction, environmental, and business disputes statewide.
Thear J. Lemoine is approved counsel for a number of insurers and for the Mississippi Tort Claims Board. He brings practical defense skills, careful risk review, and trial experience to clients facing serious claims.
Law Office Affiliations
- Director & Shareholder, Brown Sims
- Member, Louisiana State Bar Association
- Member, Mississippi Bar
- Member, New Orleans Bar Association
- Member, Harrison County Bar Association
- Member, American Bar Association
Licensed State
- Louisiana
- Mississippi
Education
- Louisiana State University Law Center
Juris Doctor (JD) - Loyola University New Orleans
Bachelor of Arts (BA)
Awards & Badges





- Products Liability
- Slip & Fall Accidents
- Trucking Accidents
- Wrongful Death
- Appeals
- Construction & Development
- Oil & Gas
- Professional Liability




