Tom Thornhill

Civil Trial Lawyer, Class Actions, Mass Tort

Tom Thornhill, President at Thornhill Law Firm, A PLC

Tom Thornhill is the President of Thornhill Law Firm, A PLC, a law firm based in Slidell, Louisiana.1 2 He has been with the firm since April 1978, practicing in areas such as civil trial law, class actions, and mass torts.1

Some key facts about Tom Thornhill:

He has a Bachelor of Arts and Juris Doctorate from Louisiana State University, as well as a Master's degree in Petroleum Engineering from Tulane University.1 2
Thornhill served in the Louisiana House of Representatives from 1996-2000, sitting on committees such as Appropriations, Insurance, Retirement, and Joint Legislative Committee on the Budget.1 2
He has extensive litigation experience, being admitted to the bar of the U.S. Supreme Court, all state and federal courts in Louisiana and Texas, and admitted pro hac vice in various other state and federal courts.2
Thornhill has served as President of the Louisiana Association of Justice and remains active in the Federal and American Bar Associations.2
He was appointed by the U.S. District Court for the Eastern District of Louisiana to the trial team that litigated the liability phase of the BP Deepwater Horizon oil spill MDL from 2010-2013.2
Thornhill Law Firm has been named one of the top 100 law firms in Louisiana from 2011-2019.1 2

In addition to his legal practice, Tom Thornhill has experience in the energy industry through his petroleum engineering background. He has consulted on oil and gas exploration, refining, and development projects.1 2