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  • Jean-Daniel Bretzner

    • Jean-Daniel Bretzner, Partner, is a member of the Litigation team.

      He represents companies and their senior executives in civil, commercial and criminal proceedings.

      Jean-Daniel Bretzner has written numerous articles for legal journals on subjects such as contract law, evidence law, procedural law and economic law. He has created an annual column on evidence law which appears in the Recueil Dalloz. He has recently contributed to several books (“Réforme du droit des contrats et pratique des affaires”, published in 2015 by Dalloz Editions; “L’émergence d’un droit des plateformes”, published in 2021 by Dalloz Editions). He was a member of the Commission set up by Mrs Arens, President of the Cour de cassation, which wrote a report entitled “La réforme du droit français de la responsabilité civile et les relations économiques”. He was also a member of the “Commission de réforme du droit des contrats spéciaux”, set up by the ministère de la Justice and headed by Mr. Professor Stoffel-Munck.

    • Academic career

      Admitted to the Paris Bar (1993), Jean-Daniel is a graduate of the University of Nancy 2 (DEA in private law, 1991; DJCE, 1992; DESS in business law, 1992).

    • Distinctions

      “Jean-Daniel Bretzner has an ‘encyclopedic knowledge, absolute rigour and an ability to be omniscient on almost everything’. He is one of the market-leading litigators in France, frequently acting on complex corporate litigations. Jean-Daniel Bretzner is also characterise as ‘one of the greatest lawyers we have ever worked with’.”
      “He is absolutely fantastic for litigation cases.”
      “He leaves no stone unturned when working on a case.”
      “Jean-Daniel is very pragmatic, very intelligent, understands all technical issues and integrates the technical side into the legal strategy. He is also adaptable.”
      “Jean-Daniel Bretzner is a top litigator in the Paris market and one of the best procedural technicians in France”.
      “Jean-Daniel is an exceptional lawyer with high commercial awareness.”
      “He is a top litigation lawyer who inspires confidence and trust. He is very knowledgeable in his area of expertise.”
      Band 1 in Litigation
      Chambers Global/Europe, 2022-2025 / Chambers France, 2025

      “Jean-Daniel Bretzner is undoubtedly one of the stars of business litigation in France, thanks to a rare combination of encyclopedic knowledge in a large number of fields and his ability to develop new lines of thoughts in defence of his clients. He will examine every possible argument, procedural and substantive, leaving absolutely no detail behind. Jean-Daniel changes the dimension of his ‘à la carte’ team, according to the needs and budgetary constraints of the clients; such flexibility is appreciated.”
      “Jean-Daniel Bretzner has an encyclopedic knowledge of many areas of law which is extremely valuable in putting risks into perspective and contributing to informed decision-making. He also has a real ability to innovate in procedural strategies and to fight to the end for his clients.”

      “Jean-Daniel Bretzner is impressive in terms of precision, competence and experience.”​

      “Hall of Fame” in Commercial Litigation
      “Recommended” in Stock-Market Litigation
      The Legal 500 EMEA, 2022-2025

      Ranked in the Top 40 of the CAC 40 lawyers
      Forbes/LJA, 2022-2023

      “Jean-Daniel Bretzner is praised by respondents as being “one of France’s leading counsels” and “a phenomenal litigator.” His expertise includes corporate litigation involving companies and senior executives.”
      “Jean-Daniel Bretzner is regarded by market commentators as “one of the best practitioners in the Paris market” when it comes to high-value commercial disputes.”
      “Thought Leader” in Commercial Litigation
      Lexology Index (formerly Who’s Who Legal), 2022-2024

      Recognised as “Litigation Star”
      Benchmark Litigation, 2024

      Ranked among the “30 best lawyers in the world” in Litigation
      Expert Guide – Best of the Best, 2021

    • News

  • Jean-Daniel Bretzner

    Partner

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