Mark Marionneaux is a partner in the Baton Rouge office of Kean Miller. He joined the firm in 1994 and practices in the products liability, litigation and toxic tort defense group. Mark represents some of Louisiana's most prominent chemical, energy and industrial companies in a wide variety of litigation matters involving chemical exposure, toxic tort, hearing loss, products liability, insurance defense, workers compensation and class action defense. Mark has over 16 years of legal experience and regularly advises clients on litigation strategy, insurance coverage issues and litigation management. He has particular experience in chemical manufacturing, fertilizer manufacturing, farming and argibusiness industries. Mr. Marionneaux is AV-rated by Martindale-Hubbell.

Representative Experience

• Representation of a worldwide chemical refiner in complex insurance coverage litigation related to its Louisiana operations.
• Louisiana counsel for a major fertilizer producer in complex occupational exposure litigation and litigation management.
• Louisiana counsel for a global fertilizer company and with regard to legal challenges arising out of facility operations, product transportation, and manufacturing processes.
• Representation of a large agricultural chemical company with regard to transport of chemicals and in litigation involving its alleged product liability.
• Representation of an energy producer in a wide variety of litigation in connection with its ongoing and legacy oilfield operations.
• Louisiana counsel for large manufacturer of consumer products with regard to products liability claims in Louisiana.
  

Education

Mark earned his B.S. in Criminal Justice from Louisiana State University in 1989. He earned his J.D. from the LSU Law Center in 1992 where he was a member of the Louisiana Law Review.

Admissions

• Admitted to bar, 1992, Louisiana
• Admitted, U.S. District Court for the Western, Middle and Eastern Districts of Louisiana
• Admitted, U.S. Court of Appeals for the Fifth Circuit
• Admitted, U.S. Supreme Court 

Memberships

• Baton Rouge, Louisiana and American Bar Associations
• Louisiana Association of Defense Counsel
• DRI
• 18th Judicial District Court Bar Association
  

Community Service

• Past Chairman, Workplace Giving, Capital Area United Way.

Authorships

• Comment, International Scope of Fourth Amendment Protections: United States v. Verdugo-Urquidez, 52 Louisiana Law Review 455.
• Comment, The Louisiana Lottery—Supreme Court Style: A Look at State v. Simpson and its Constitutional Mandate of Random Allotment of Criminal Court Cases Within a District, 52 Louisiana Law Review 1285.