Department profile
MLL Legal

Arbitration

Europe Guide 2026 : Switzerland


MLL Legal

Rankings

About

Provided by MLL Legal

MLL Legal’s arbitration team combines decades of experience in international arbitration with a deep and specialist knowledge of international business law.

What matters in domestic and international arbitration is to resolve the dispute efficiently and successfully, keeping in mind that a legal solution is a means to a business goal.

Over the last five decades, we have represented clients and acted as arbitrators in hundreds of commercial and investment disputes under the world’s most prominent international arbitration rules (ICC, ICSID, SCAI, CAS, LCIA, DIS, VIAC, CAM, SCC, NAI, DAI, IATA, WIPO, UNCITRAL) and in arbitrations seated in Switzerland and across Europe, the Middle East, Africa, the Americas and Asia. We also conduct arbitrations in specialised areas, including sports, commodity trading, trust & estates, and investor-State.

Chambers Review

Provided by Chambers

Arbitration - Switzerland

Band 4

Band 4


What the Team is Known For
MLL Legal represents clients in both national and international arbitration. The team's areas of expertise include disputes concerning joint venture and contractual disputes, as well as distribution agreements. The law firm is also experienced in investor-state arbitration and disputes relating to bilateral investment treaties. MLL Legal also advises on construction-related disputes.

Strengths

Provided by Chambers

  • The team at MLL Legal provides thorough analysis of complex and technically difficult cases. The lawyers are always willing to meet, discuss and provide fast, detailed legal advice.

    Arbitration respondentEurope
  • MLL Legal stands out for its deep international experience, sector-specific expertise and client-focused approach. We value its responsiveness, creativity and ability to simplify complex issues.

    Arbitration respondentEurope
  • MLL Legal carefully analysed each and every concern relating to the case before approaching with a good and efficient strategy.

    Arbitration respondentEurope
  • Every member of MLL Legal's team has very good knowledge of what they are doing or handling.

    Arbitration respondentEurope
  • MLL Legal provides clear communication, prompt and tailored responses and a strong commitment to client service.

    Arbitration respondentEurope

Notable Practitioners

Provided by Chambers

  • Band 5Jean Marguerat
    Band 5Jean Marguerat

    Jean Marguerat

    Jean Marguerat assists clients with arbitrations concerning lease agreements and partnership agreements. He also acts as president and arbitrator or co-arbitrator in ICC and Swiss Rules proceedings.
    • I would highlight Jean Marguerat for his efficiency as both counsel and arbitrator.

      Arbitration respondentEurope
    • Jean Marguerat is a high-calibre counsel with expertise in commercial contracts and Swiss law. He quickly understands the subject and offers good strategy in his approach.

      Arbitration respondentEurope
    • Jean Marguerat is a lawyer who combines great charisma with deep knowledge of the law and arbitration.

      Arbitration respondentEurope

Ranked Individuals at MLL Legal (2)

Switzerland

Members

Provided by MLL Legal

  • Philippe Prost

  • Thomas Kälin

  • Michael Ritscher

  • Sabina Schellenberg

  • Guy-Philippe Rubeli

  • Urs Boller

  • Florian Müller

  • Christian Schilly

  • Serge Calame

  • Felix M. Mathis

  • Jean-Luc Herbez

  • Julien Tron

  • Alain Gros

  • Stefan J. Schröter

  • Daniel Bloch

  • Maud Udry-Alhanko

  • Alain Le Fort

  • Dmitry A. Pentsov

  • Léonard Stoyanov

  • Guillaume Fournier

  • Bernard Lachenal

  • Walter Häberling

  • Marcel Steinegger

    Head of Department

  • Jean-Marie Vulliemin

  • Jean Marguerat

    Head of Department

    View profile of Jean Marguerat
  • Simon Holzer

  • Cosima Trabichet-Castan

MLL Legal has rankings in the following guides

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership