Baton Rouge Class Action Attorneys: Plaintiff & Defense

Baton Rouge class action attorneys work on both sides of large, complex cases, with plaintiff firms concentrated on toxic exposure, defective products, consumer fraud, and employment claims, and defense firms serving the petrochemical, insurance, construction, and pharmaceutical industries that anchor the local economy. The city’s proximity to Louisiana’s industrial corridor and its plaintiff-friendly courts have produced a bench of firms that routinely handle cases involving thousands of claimants and hundreds of millions of dollars.

Plaintiff-Side Firms

These are the firms most Baton Rouge searchers are looking for: attorneys who bring class actions and mass tort claims against corporations, manufacturers, and insurers.

Baron and Budd

Baron and Budd has had a Louisiana presence for more than 40 years, with a Baton Rouge office at 2600 Citiplace Drive, Suite 400.{{¹}} It is best known for asbestos and mesothelioma litigation and secured what has been described as the highest mesothelioma verdict in Louisiana at $36.7 million.{{²}} The office also handles pharmaceutical injury claims, defective medical devices, environmental cases, and whistleblower actions.{{}}

The Baton Rouge office is led by J. Burton LeBlanc IV, named “Lawyer of the Year” for mass tort litigation and class actions on the plaintiffs’ side in Baton Rouge by Best Lawyers in 2023 and 2026.{{}} LeBlanc served as president of the American Association for Justice and was part of the team that negotiated over $46 billion in national opioid settlements for more than 700 public entities and eight state attorneys general.{{³}} He is currently involved in the insulin pricing multidistrict litigation.{{⁴}}

Murphy Law Firm

Founded in 1993 by Peyton Murphy, the firm sits at 2354 S. Acadian Thruway and reports recoveries of more than $250 million for Louisiana clients.{{}} Its class action and mass tort practice covers consumer fraud, data breaches, employment violations, and defective products, with a strong mesothelioma track record that includes individual results of $12.5 million, $9.5 million, and $4.5 million.{{⁵}} The firm is actively taking Depo-Provera and Dupixent cases.{{⁶}} Murphy holds an AV Preeminent rating from Martindale-Hubbell.{{⁷}} Other key attorneys include Troy Morain, Brian L. McCullough, and Kacia Cook.{{}}

Gordon McKernan Injury Attorneys

Gordon McKernan is one of the largest plaintiff firms in Louisiana, with more than 55 attorneys across Baton Rouge and a dozen other cities.{{⁸}} The firm reports recovering over $3 billion and securing more than 230 settlements above $1 million each.{{}} Its mass tort work covers chemical exposure, defective products, dangerous drugs, and industrial disasters. Notable results listed on the firm’s site include a $26 million class action settlement for chemical exposure and a $12.8 million state award for two chemical plant workers with asbestos-related lung cancer.{{⁹}}

Bohrer Brady

Bohrer Brady, founded by Philip Bohrer, focuses on consumer protection class actions and wage-and-hour collective actions. Its cases include junk fax claims under the Telephone Consumer Protection Act, insurance bad faith, billing fraud, nursing home neglect, and defective products.{{¹⁰}} Bohrer and partner Scott E. Brady also handle Fair Labor Standards Act cases, including a collective action for intrastate truck drivers against Fleetwood Transportation Services.{{¹¹}} Both have Super Lawyers recognition for class action and mass tort work.{{¹²}}

Other Plaintiff Firms Worth Knowing

Fayard and Honeycutt, based in nearby Denham Springs, participated in the Deepwater Horizon oil spill litigation, where Calvin C. Fayard Jr. served on the Fee and Cost Committee overseeing common benefit compensation.{{}} Both name partners hold Super Lawyers recognition.{{}}¹³¹²
Simien and Simien has experience in historic tobacco litigation with recoveries exceeding $4.6 billion, along with prescription drug and mesothelioma results.{{}}¹⁴
Doran and Cawthorne, established in 2007, handles class action claims for toxic spills, defective products, consumer fraud, and securities fraud, and assists with building classes and managing opt-in.{{}}¹⁵
Smiley Injury Law has represented claimants in the Chinese Drywall MDL, the BP oil spill, the Dupuy Medical hip class action, and the BarBri antitrust class action.{{}}¹⁶

Defense-Side Firms

Companies, insurers, and manufacturers facing class actions in Baton Rouge draw from a separate group of firms.

Keogh Cox

Keogh Cox defends class action, mass tort, and multi-party disputes across Louisiana state and federal courts, with a bench that includes John P. Wolff III, Andrew “Drew” Blanchfield, and Christopher K. Jones.{{}} Practice areas include hurricanes and natural disasters, industrial accidents, construction defects, pharmaceuticals, and bad faith insurance. The firm secured a defense verdict in the Kaiser Alumina plant explosion litigation, where consolidated claims approached $500 million, and the National Law Journal named it “defense verdict of the year.”{{}} It also obtained dismissal for drywall distributors in the Chinese Drywall MDL and tried the first Hurricane Laura case in the Western District of Louisiana on behalf of property insurers.{{¹⁷}}

Degan, Blanchard and Nash

Degan, Blanchard and Nash operates its Baton Rouge office at 5555 Hilton Avenue, Suite 620, and employs over 55 lawyers.{{}} The firm’s approach centers on dismissal or defeating class certification, with experience across pharmaceutical, asbestos, toxic tort, and environmental cases. Notable outcomes include dismissals in post-Katrina contractor overhead class actions, reversal of certification in Johns v. National Security, and a role on the defense team for the FEMA formaldehyde MDL.{{}} Baton Rouge attorneys include Sidney W. Degan III, Eric D. Burt, Janna D. Campbell, and Jordan P. Amedee.{{¹⁸}}

Other Defense Firms

Stone Pigman Walther Wittmann, founded in 1929, has served as defense counsel in the Deepwater Horizon MDL (representing Cameron International), the Chinese Drywall MDL (liaison counsel for national homebuilders, and counsel for Home Depot), and the Vioxx MDL (representing Merck).{{}} It also obtained summary judgment on roughly $100 million in pension fund claims in Baton Rouge federal court.{{}}¹⁹
Breazeale, Sachse and Wilson defends mass tort, class action, and data breach litigation for industrial chemical, pharmaceutical, medical device, and insurance clients. Managing Partner Jude C. Bursavich has represented insurers in class actions and has Super Lawyers recognition for business litigation.{{}}²⁰
Kean Miller has multiple attorneys on the Super Lawyers list for class action work, including Randy Cangelosi and Jay Jalenak.{{}} Jalenak defends chemical manufacturers against toxic release class actions and once obtained summary judgment dismissing more than 6,000 claims, roughly 97% of a remaining class.{{}}²¹²²
Bienvenu, Foco and Viator, on Bluebonnet Boulevard, runs a class action and mass toxic tort defense practice. David M. Bienvenu Jr. has over 30 years defending Fortune 500 clients in asbestos and groundwater contamination cases and is listed in The Best Lawyers in America for mass tort class action defense.{{}}²³

How to Choose the Right Attorney

Class action cases are expensive, procedurally complex, and slow. Most plaintiff firms in Baton Rouge work on contingency, meaning you pay nothing unless there’s a recovery, and contingency fees in class actions typically fall between 25% and 40% of the total award or settlement.{{²⁴}} Ask for a written fee agreement that spells out who pays litigation expenses if the case loses and how costs are calculated.

Experience with certification matters most. Under Louisiana Code of Civil Procedure Article 591, a plaintiff must prove numerosity, commonality, typicality, adequacy, and ascertainability, and courts run a “rigorous analysis” that often overlaps with the merits.{{²⁵}} Recent trends favor narrowly defined classes and stricter ascertainability, and the Class Action Fairness Act routes many large multi-state cases into federal court.{{²⁶}} An attorney who can’t demonstrate a track record getting past certification isn’t going to help you.

Useful questions for an initial consultation:

Have you successfully moved for class certification, and in what kinds of cases?
How many class action or mass tort matters is the firm currently handling?
What resources does the firm have for discovery and expert witnesses?
Who will be my primary point of contact, and how often will I get updates?

Cases typically run two to four years, so those logistics matter.{{²⁴}}

One boundary worth knowing: if you receive an opt-in notice for an existing class action, a legal team is already in place, and joining doesn’t require hiring your own attorney. Retaining separate counsel can make sense if your injuries are significantly greater than those of the average class member and you want more leverage over your individual claim.{{²⁴}}

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