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Grandjean Avocats

Corporate/Commercial Litigation: Elite

France Guide 2026 : France

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Grandjean Avocats

Rankings

Chambers Review

Provided by Chambers

Corporate/Commercial Litigation: Elite - France

Band 4

What the Team is Known For

Grandjean Avocats moves up the rankings this year due to its significant expertise in a range of commercial and post-M&A disputes, as well as restructuring and product liability. It frequently advises and represents clients in the banking, energy and pharmaceutical sectors. The firm also assists with cases relating to contract termination and investments.

À propos de l’équipe

Grandjean Avocats progresse dans le classement cette année grâce à son expertise importante dans un large éventail de contentieux commerciaux et post-M&A, ainsi que dans les restructurations et la responsabilité du fait des produits. Le cabinet conseille et représente fréquemment des clients dans les secteurs bancaire, énergétique et pharmaceutique. Le cabinet intervient également dans le cadre de dossiers relatifs à la résiliation de contrats et aux investissements.

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Work Highlights

Provided by Chambers

  • Grandjean Avocats represented Taiwan Cement Corporation in a post-M&A dispute.

  • Le cabinet Grandjean Avocats a représenté Taiwan Cement Corporation dans un litige post-M&A.

Strengths

Provided by Chambers

  • The partners and associates are available and work in close collaboration with each other and with the client.

    Corporate/Commercial Litigation: Elite respondentFrance

  • The strengths of this firm are strong responsiveness, in-depth knowledge of the cases, relevant legal strategy, pugnacity and agility.

    Corporate/Commercial Litigation: Elite respondentFrance

  • We appreciate the strong involvement and responsiveness of the team, and in particular the partners, who are very present. The team had a very good understanding of financial issues.

    Corporate/Commercial Litigation: Elite respondentFrance

  • The team possesses technical expertise and strong commercial acumen, combined with great personal qualities.

    Corporate/Commercial Litigation: Elite respondentFrance

  • The team brings competence and pragmatic recommendations with appropriate risk-benefit analysis provided.

    Corporate/Commercial Litigation: Elite respondentFrance

  • Les associés et les collaborateurs sont disponibles et travaillent en étroite collaboration entre eux et avec le client.

    Corporate/Commercial Litigation: Elite respondentFrance

Notable Practitioners

Provided by Chambers

  • Jean-Pierre Grandjean
    Jean-Pierre Grandjean

    Jean-Pierre Grandjean

    Jean-Pierre Grandjean is a widely respected figure in the market and has a longstanding litigation practice. He represents high-profile corporate and financial institutions in civil and corporate litigation.

    Jean-Pierre Grandjean est une figure très respectée sur le marché et a une large expérience en matière de litige. Il représente des entreprises et des institutions financières de premier plan dans le cadre de litiges civils et droit des sociétés.

    • Jean-Pierre Grandjean is a great advocate with incomparable expertise.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Jean-Pierre is in every way an excellent practitioner and it is a pleasure to work with him.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Jean-Pierre Grandjean provides excellent client service. He has all the qualities we ask for in a lawyer.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Jean-Pierre Grandjean offre un excellent service à ses clients. Il possède toutes les qualités que l'on attend d'un avocat.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Jean-Pierre est un excellent avocat à tous égards et c'est un plaisir de travailler avec lui.

      Corporate/Commercial Litigation: Elite respondentFrance
    • Jean-Pierre Grandjean est un grand avocat doté d'une expertise incomparable.
      Corporate/Commercial Litigation: Elite respondentFrance
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  • Marguerite Aynès
    Marguerite Aynès

    Marguerite Aynès

    Marguerite Aynès frequently assists clients with supplier disputes and product liability, and most notably acts for large pharmaceutical and food and beverage players. She also has significant experience in insurance-related litigation.

    Marguerite Aynès assiste fréquemment ses clients dans le cadre de litiges fournisseurs et de responsabilité du fait des produits, et intervient notamment pour les acteurs de l’industrie pharmaceutique et de l’agroalimentaire. Elle possède également une expérience en matière de contentieux liés aux assurances.

    • I can only praise Marguerite. She knows how to personalise the contact to get to the essence of managing disputes. I can therefore only recommend her.

      Corporate/Commercial Litigation: Elite respondentFrance

    • I am very happy with the collaboration with Marguerite. She is very knowledgeable and extremely reactive. She is also easy to work with.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Marguerite is incredibly technical and really stands out for that. She is a brilliant lawyer, I absolutely trust her with anything.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Marguerite is an exceptional lawyer in regards to her involvement in the files, the level of service and the responsiveness.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Marguerite Aynès is a hard worker. She knows the case and all the details very well.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Je suis très contente de ma collaboration avec Marguerite. Elle est très compétente et extrêmement réactive. C'est un plaisir de travailler avec elle.

      Corporate/Commercial Litigation: Elite respondentFrance
    • Marguerite Aynès est une travailleuse acharnée. Elle connaît parfaitement le dossier et tous les détails.
      Corporate/Commercial Litigation: Elite respondentFrance

    • Marguerite est une avocate exceptionnelle de par son implication dans les dossiers, la qualité de ses services et sa réactivité.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Marguerite est incroyablement compétente techniquement et cela la distingue. C'est une avocate brillante, je lui fait entièrement confiance.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Je ne peux que faire des éloges à Marguerite. Elle sait personnaliser le contact pour aller à l'essentiel dans la gestion des litiges. Je la recommande vivement.

      Corporate/Commercial Litigation: Elite respondentFrance
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  • Thomas Lambard
    Thomas Lambard

    Thomas Lambard

    Thomas Lambard is sought after for his experience in contractual disputes for clients across various industries, including banking and pharmaceuticals.

    Thomas Lambard est recherché pour son expérience dans les litiges contractuels pour des clients de divers secteurs, notamment bancaires et pharmaceutiques.

    • Thomas is fantastic. He is a problem solver and wants to protect the business. He is very creative and pragmatic.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas is a rising star. He has a good understanding of issues and provides strategic analysis on complex files.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas Lambard is highly competent.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas is very customer-focused and proactive in terms of finding business-friendly solutions.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas est très orienté vers le client et proactif dans la recherche de solutions adaptées aux besoins des entreprises.

      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas Lambard est très compétent.

      Corporate/Commercial Litigation: Elite respondentFrance
    • Thomas est fantastique. Il sait résoudre les problèmes et a à cœur de protéger l'entreprise. Il est très créatif et pragmatique.
      Corporate/Commercial Litigation: Elite respondentFrance

    • Thomas est un associé prometteur. Il comprend bien les enjeux et fournit une analyse stratégique des dossiers complexes.

      Corporate/Commercial Litigation: Elite respondentFrance
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Ranked Individuals at Grandjean Avocats (3)

France

  • Profile image of Jean-Pierre Grandjean

    Jean-Pierre Grandjean

    Corporate/Commercial Litigation: Elite

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  • Profile image of Marguerite Aynès

    Marguerite Aynès

    Corporate/Commercial Litigation: Elite

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Grandjean Avocats has rankings in the following guides

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