


Laurent is a Partner at Signature Litigation’s Paris office specialising in international corporate and commercial litigation, with particular experience in multijurisdictional proceedings.
With over 20 years’ experience, Laurent handles complex, multi-jurisdictional commercial disputes, coordinating procedures and defence strategies for companies in the chemical, energy, new technology, automotive and finance sectors.
Laurent’s practice focuses on disputes involving contractual and tort liability, industrial risks and product liability. He also handles regulatory litigation in the energy sector, shareholder disputes, management liability litigation and post-M&S litigation.
While particularly known for his expertise in France, Laurent’s experience spans many geographical regions, including Lebanon and the broader Middle East.
Laurent is ranked in Chambers France for Litigation: Elite, and is described as “an excellent lawyer”, with one commentator praising his “great sense for clients’ needs and very pragmatic approach.”
In The Legal 500 EMEA 2026 Guide praises Laurent as “pleasant to work with, knowledgeable and connected with the French legal world and Paris bar, and he is also adept at working with US attorneys and companies.” A previous edition of the Guide notes his “extensive litigation experience and quality of pleading” and his “good understanding of very technical subjects“, “speed of execution” and “great availability.”
Laurent joined Signature Litigation from Paul Hastings, where he was a Partner. His career also includes roles as a Trial, Investigations and Securities Partner at Dechert LLP and 15 years at Jones Day, where he was Partner and Head of the Corporate and Commercial Litigation Practice.
Laurent also served as Vice-Président of Conseil National des Barreaux (National Council of Bars) (2021 – 2023), Vice-Bâtonnier de Paris (Vice-President of the Paris Bar Association) (2014 – 2015) and Président de la Fondation Chaillot-Théâtre national de la Danse (National Dance Theatre Foundation).
Press Quote: Devoir de vigilance : après les décisions Yves Rocher et TotalEnergies, les entreprises s’organisent – Actu juridique – 30 September 2026
Press Quote: Signature boosts Paris arm with Paul Hastings partner hire – The Global Legal Post – 7 July 2025
Press Quote: Revolving Doors: Weil continues London funds rebuild while Dechert hires senior in-house lawyer as PE partner – Legal Business – 7 July 2025
Press Quote: HSF Kramer Paris Loses Restructuring Team to Gide; Paul Hastings Loses Litigator – Law.com International – 6 July 2025
Press Quote: Signature Litigation bolsters Paris strengths – Global Legal Insights – 4 July 2025
Press Quote: Laurent Martinet rejoint Signature Litigation Paris – Le Monde du Droit – 4 July 2025
Press Quote: Laurent Martinet rejoint Signature Litigation – La Lettre des Juristes d’Affaires – 4 July 2025
Press Quote: Friday round-up: Clifford Chance rehires ex-CMA lawyer – CDR News – 4 July 2025