For four years, THORNHILL is one of ten trial lawyers appointed by the Court to try the case against BP operations in the Gulf of Mexico, on behalf of the hundreds of thousands of injured and damaged Plaintiffs, together with the US and five State governments, resulting in three class action settlements to date, so far valued at approximately $10 Billion.
If you have been affected by Hurricanes Laura, Sally, or Zeta and need help with your insurance claim(s), we have the experience you need so call our firm today 800-989-2707.
Thornhill  Law Firm - Trial Lawyers

Thornhill Law Firm has been named one of the top 100 Lawyers in Louisiana from 2011 - 2014 and, in 2013, Tom Thornhill was named one of the Top Lawyers in Louisiana for his commitment to ethical standards and professional excellence.

Southern Louisiana and Texas Litigation Attorney

Our Louisiana Insurance Law Firm has completed the BP Blowout claims tried to completion and is currently focusing on another set of Disaster claims in Louisiana.

Like hurricanes Katrina, Rita, Ike, Harvey and other disasters we have handled in the past, the current year of 2020 brings new challenges to many more people and businesses.

We have the experts, the experience and the expectations to succeed again for you, the claimant, in the face of odds that seem to continue to mount against you.

Let us help guide you through the maze of insurance policy exclusions, conditions, exceptions, limitations - the barriers to recovery created by The Insurance Industry to prevent your full recovery .

Whether it is understanding how to file a proof of claim or when to file a lawsuit for penalties and attorney fees, The Thornhill Law Firm is ready to serve you.

Serving the Greater New Orleans area since 1978, Thornhill Law Firm, A PLC, is a boutique law firm that represents clients in both complex litigation and simple litigation cases in Southern Louisiana and Texas and also via pro hac vice in mass disaster and mass tort cases in Mississippi courts. Our Louisiana insurance lawyers are dedicated to obtaining justice for our clients. In addition, the consulting practice for the firm includes public and private finance and development of large insfrastructure, ports, refineries, manufacturers, shipping, drilling, pipelines, exploration and development, and real estate development.

Tom Thornhill was a member of the ten man trial team in the trial against BP, HESI and Trans Ocean, including three years of intense fact discovery prior to the trial. Thornhill served as a team member to try this complex case which has already resulted in tens of billions of dollars in recoveries in partial settlements for injury to people and property. In addition to representing the State of Louisiana, multiple parishes, and many other political subdivisions, cities and towns, plus representing billions of dollars in commercial developments, Thornhill's diverse trial practice also includes prosecuting and defending individual claims for personal injury, property damages, commercial, private, maritime, and medical claims. Thornhill's class action work also includes trial of other well known environmental pollution claims against well known polluters of rivers such as TIN, Inc, now International Paper (IP), for polluting the Pearl River, that divides Louisiana and Mississippi; and against IP, Waste Management and related companies for polluting the San Jacinto River near Galveston, Texas. Litigating and structuring major private and public financial projects is an adjunct part of the Thornhill Law Firm's service to its clients.

Our Louisiana litigation law firm only takes on a select number of cases at a time, which allows each of our clients to receive 100% of our professional attention and client service. Our senior attorneys are as involved and committed as you--our client--are to successfully resolving your case. Our sophisticated legal skills and years of experience and success allows us to provide all of our clients with an arsenal of specialized strategies and all of the resources and equipment required to achieve the best results possible for their cases.

Over the years, our New Orleans-based lawyers, serving Southern Louisiana, Texas, and Mississippi, have secured for class actions large settlements and verdicts, including billion dollar recoveries. Many of our clients have received multi-million dollar awards. Currently, Thornhill Law Firm has served as lead trial counsel in class actions and multi-district litigation in federal courts primarily in Southern Louisiana, Texas and Mississippi. Thornhill Law Firm’s success as trial counsel is proven in cases presenting complex oil and gas litigation and large manufacturing, refining and oil/gas exploration cases, as well as mass tort claims for injured clients. Our firm Founder and Senior Partner, Tom Thornhill, who is a member of the Multi-Million Dollar Advocates Forum (This forum is one of the most prestigious groups of trial lawyers in the United States and recognizes trial lawyers who have won multi-million dollar recoveries in trial or settlement), tried the BP case in phase one for the plaintiffs, who, in December of 2012, received approval of two multi-billion dollar class action settlements from BP and related defendants.

Thornhill Law Firm, A PLC, is well-known throughout the legal and local communities in Louisiana and the Southern District of Mississippi, and our attorneys are well-respected for zealously and aggressively "SEEKING JUSTICE FOR OUR CLIENTS" in many legal areas, including:

Class Actions

Our New Orleans-based class action law firm has the knowledge, equipment, and resources to tackle even the most sophisticated litigation cases. We've also joined forces a number of times with other law firms in order to minimize litigation costs for our clients while maximizing their recoveries. We are a prestigious Louisiana law firm with an emphasis in complex litigation disputes.

Serious Personal Injury

Our New Orleans, Louisiana injury lawyers handle both complex and simple litigation cases, which allows us to bring all of our expertise to even the simplest accident cases. Our senior attorneys provide aggressive, zealous, and committed representation, coupled with personalized attention and service to each of our injury accident clients.

Catastrophic Injuries

If you or someone you love was seriously hurt in a motor vehicle crash involving a negligent car driver, motorcyclist, bus driver, or truck driver, please contact our Louisiana personal injury law firm right away to schedule your free consultation for your auto accident. One of our New Orleans car crash lawyers would be happy to discuss your legal options with you. It is important that you DO NOT try to negotiate a settlement agreement with the insurance companies of any negligent parties without talking to one of our injury lawyers first.

Maritime Law

Our Louisiana, Texas and Mississippi maritime accident lawyers have the experience and resources to handle claims under federal maritime law, the Longshoremen and Harbor Workers Compensation Act ( LHWCA), the Jones Act, Mississippi, Texas and Louisiana Workers’ Compensation laws, and other state and federal laws.

Insurance Litigation

Thornhill Law Firm is a New Orleans-based law firm that is “For the People, Not the Powerful.” We have successfully pursued claims and lawsuits against some of the largest insurance companies in the country, including Allstate, State Farm, Nationwide, USAA, and Zurich.

Hurricane Litigation

Our Hurricane claims lawyers represent hurricane victims whose lives, homes, and businesses were devastated by hurricanes that have passed through the Metropolitan New Orleans Area, Southern Louisiana, Western Texas and the Southern District of Mississippi.

Business Law

Our New Orleans business law attorneys are here to offer you legal advice and representation so that you can make the choices that are best for your business. Thornhill Law Firm, A PLC, has represented clients in the Metropolitan New Orleans Area since 1978, and we are familiar with the ever-changing business dynamics of the region and the need for our business clients to adapt to these changes to ensure their ventures' growth and success.

Thornhill Law Firm, For the People

Many of our new clients come to us via referrals from past clients and other lawyers. Our clients come from cities and parishes all over the Metropolitan New Orleans area, including Chalmette, St. Bernard, Slidell, Mandeville, Covington, Madisonville, Metairie, Kenner, Jefferson, Franklinton, Pearl River, Gretna, as well as other cities across Southern Louisiana and the Southern District of Mississippi.

At Thornhill Law Firm, A PLC, we consider customer satisfaction to be as paramount in importance as our ability to secure your recovery. Our Louisiana insurance lawyers handle all of our cases with integrity, sensitivity, and with our best efforts.

For your consultation with Thornhill Law Firm, A PLC, call (800) 989-2707 or contact us online.


Attorney Tom Thornhill is a Member of the Million Dollar Advocates Forum and Multi Million Dollar Advocates Forum.

Life Member - Million Dollar Advocates Forum and Multi-Million Dollar Advocates Forum
new badge Member - East St. Tammany Chamber of Commerce America's Top 100 Attorneys
Justia Lawyer Rating for Mr. Tom W. Thornhill
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