“The practice unites an impressive bench of stellar litigators, chief among them practice heads Emmanuèle Lutfalla and Thomas Rouhette.“

The Legal 500 EMEA 2021

Signature Litigation Paris “quickly established itself as one of France’s finest dispute resolution practices and consistently attracts high-stakes, often headline-grabbing matters.”

The Legal 500 EMEA 2021

“Thomas Rouhette is highly regarded for his work on cross-border contentious matters.“

The Legal 500 EMEA 2021

“He has an excellent ability to communicate with clients and help them understand the French system and navigate the way litigation is conducted in France.“

Chambers Global 2021

“His strength is to focus on the details and to be extremely closely involved in directing proceedings.“

Chambers Global 2020

Thomas is “highly esteemed for his expertise in handling product liability cases.“

Chambers Global 2020

“Thomas Rouhette is a well-regarded figure in the French market who is highly rated for his excellent work as a commercial litigator, including on international disputes.“

Who’s Who Legal Litigation 2021

Thomas is described as having “a tough style that is very effective”.

Who’s Who Legal 2019

Thomas “is very client-focused, very pragmatic, and creative with solutions”.

Acritas clients survey 2018

“He is very knowledgeable about aviation accident litigation and is a skilled litigator in the French courts.”

Chambers Europe 2019

He “is widely recognised for his activity in product liability litigation.”

Chambers Europe 2019

Thomas is “really proactive and always has the big picture in mind.”

Chambers Europe 2019

The “finest product liability lawyer in the country and one of the very best on the continent”.

Who’s Who Legal


Thomas is a founding partner of the Paris office of Signature Litigation and a leading commercial and international litigator. Previously a partner in a major international law firm, Thomas has almost 30 years’ experience in litigation.

Described as “an intelligent and clear-minded lawyer“, a “tough but excellent” litigator, “a good strategist and the best trial lawyer [the client has] seen in the French court system“, Thomas focuses on complex, bet the company litigation.

Recognised by Who’s Who Legal as the “finest product liability lawyer in the country and one of the very best on the continent“, Thomas has a seasoned, wide and multifaceted practice, spanning from contract litigation to corporate and banking disputes as well as to fraud and asset tracing. Thomas is regarded by Who’s Who Legal as one of two ‘Global Elite Thought Leaders’ in France for Life Sciences: Product Liability, and the directory notes he is a “standout figure in the life sciences market“. Previous editions of this directory has also praised Thomas for his “tough style that is very effective.” Thomas has also been listed as one of the “Most Highly Regarded” practitioners in Who’s Who Legal France: Product Liability Defence, with the Guide noting that he is “a pre-eminent figure in the French market“. He is an expert in international, cross-border litigation. Thomas “is very client-focused, very pragmatic, and creative with solutions” (Acritas clients survey, 2018). He is also recognised as one of four “Thought Leaders” in Who’s Who Legal’s Insurance and Reinsurance 2019 Guide and a Recommended lawyer in the Insurance and Reinsurance 2020 Guide, which describes him as “phenomenal for product liability claims and litigation proceedings”. Who’s Who Legal also ranks Thomas in its Thought Leaders – Litigation 2020 Guide, which notes he is “a tough and pragmatic lawyer” with “deep knowledge of the legal and regulatory environment”. Who’s Who Legal Product Liability Defence France also describes Thomas as “a leading expert in this area for decades” due to his “excellent” work on complex product liability proceedings. He also receives prominent credit as “a very respected practitioner with an exceptionally strong product liability practice”.

Thomas is highly ranked across the Chambers and Partners and The Legal 500 guides; he is ranked Band 2 by Chambers Global 2021 and Europe 2021 for his litigation and aviation law expertise, with sources praising him for his “invaluable” advice, experience and knowledge. The Chambers Global Guide notes Thomas is “highly esteemed for his expertise in handling product liability cases” and clients describe him as “a strong litigator who has driven many claims and defences to a successful conclusion,” also adding that his “strength is to focus on the details and to be extremely closely involved in directing proceedings.” The Legal 500 EMEA Guide consistently ranks Thomas as a ‘Leading Individual’ for his aviation and commercial litigation practices, and he has been regarded as a ‘Recommended Lawyer’ for his insurance experience. He is also recognised as a member of The Legal 500’s ‘Hall of Fame’ for his expertise relating to aviation.

Thomas recently co-authored, with senior associate Claire Massiera, the “Investigative Measures: Domestic and International Legal Aspects” chapter in Private Enforcement of Competition Law in Europe, the leading book examining procedural and substantive issues in respect of private enforcement of competition law in Europe.

Thomas is a member of the Board of the International Association of Defense Counsel (IADC). He also serves as Chair of the Superior Appellate Commission of the French Football Federation (FFF).


  • Advising a worldwide automotive manufacturer on emissions issues in France.
  • Representing a commercial aircraft manufacturer in the defence of personal injury claims arising from major aircraft accidents.
  • Representing an online marketplace in disputes against trademark owners (alleged liability in counterfeiting, breach of selective distribution networks, gross negligence through the websites it hosts).
  • Representing a Russian bank in a high profile case against the bank’s former owner in the scope of enforcement proceedings involving piercing the corporate veil and attachment of assets located on the French Riviera and in the French West Indies.
  • Representing an Austrian bank in the defence of proceedings before the French Courts in order to obtain the cancellation, based on alleged vitiated consent and fraud, of several subscriptions of subordinated participation capital bonds which amount to a total of €200,000,000.
  • Representing corporate clients in defending post M&A claims made on allegations of fraudulent inducement and misrepresentation.


La judiciarisation du devoir de vigilance est enclenchéeCompliances – 9 July 2021

CDR – Fraud, Asset Tracing & RecoveryCDR – 19 March 2021


The rise of data breach litigationGlobal Data Review – 18 March 2020

Thomas comments on his wishes for 2020Option Droit et Affaires – 8 January

Signature Litigation fête son premier anniversaire à ParisLe Monde du Droit – 7 January 2020

L’action de groupe : quelle défense pour demain ?Option Droit et Affaires – 11 December 2019

Class Actions in France: A Unique Scheme that Requires a Tailored Defence StrategyICLG – 11 November 2019

French blocking statute reform: An opportunity to strengthen international judicial cooperation?Thomson Reuters – 17 May 2019

All tied upGlobal Data Review – 13 May 2019

New reform proposal to relaunch the French blocking statute raises concernsFT’s Global Risk Regulator – 7 May 2019

Proposed reforms to French blocking statute would still leave companies “stuck between two evils”Global Investigations Review – 18 April 2019

C’est si bon for Signature LitigationGlobal Legal Post – 17 January 2019

Signature moves into Paris with Hogan Lovells hires after 35% growthLegal Week – 17 January 2019

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