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About Trey

Trey is a founding member of the firm and practices in the New Orleans office in the litigation section. He maintains an active civil litigation focus, where his principal areas of practice are products liability, complex toxic tort and occupational exposure, and insurance litigation matters. He also has experience in medical malpractice, professional liability and commercial litigation. His experience includes both trial and appellate court experience in the Louisiana state and the Federal court systems. Over the course of his career, he has handled litigation matters involving asbestos, silica, benzene, as well as other various forms of exposure issues. He has also handles several commercial issues for his clients including contract issues and general dispute matters. His clients generally include large national chemical and product manufacturing companies, as well as health care providers.


He has appeared on behalf of clients in front of the Louisiana Courts of Appeal, First Circuit, Fourth Circuit and Fifth Circuit, the Supreme Court of Louisiana and the United States Court of Appeals, Fifth Circuit. Mr. Paulsen has also been personally involved either as a trial or appellate attorney on a number of cases where published opinions have been issued.


Trey is a native of New Orleans and active in several professional activities where he serves in various leadership capacities and also involved in the local community.

Representation of a real estate development firm that builds custom and spec homes in St. Charles Parish in a three-day judge trial that involved breach of contract, fraud and construction defect claims. The presiding judge awarded on behalf of the defense.


Representative of a cardiologist in a medical malpractice matter that involved a one-week jury trial resulting in a favorable decision of the client.


Representation of a chemical manufacturing company in a two day class certification trial of hearing loss claims.

Martindale Hubbell ® AV Preeminent ® Peer Review Rating, http://www.martindale.com/ratings


Selected as a “Top Lawyer” in New Orleans by New Orleans Magazine for Toxic Torts – Class Actions, Complex and Multi-district Litigation, 2009, Product Liability Litigation, 2019; Mass Tort Litigation / Class Actions and Product Liability Litigation, 2020


The Best Lawyers in America ©, New Orleans, LA, Commercial Litigation, Mass Tort Litigation / Class Actions – Defendants, Personal Injury Litigation – Defendants, Product Liability Litigation – Defendants, since 2011


New Orleans CityBusiness Leadership in Law, 2012


Super Lawyers ®, Class Action / Mass Torts, since 2013

Practice Areas

Louisiana State University Paul M. Hebert Law Center, Juris Doctor, 1989


Louisiana State University, Bachelor of Arts, 1986

Bar Affiliations

Louisiana, 1989


Louisiana State Bar Association


New Orleans Bar Association


New Orleans Association of Defense Counsel, former Board Member and past President


Federal Bar Association Louisiana Association of Defense Counsel, former Director


Defense Research Institute Louisiana Association of Business and Industry, former Board Member and member of the Civil Justice Reform Advisory Council