Renewable Energy
Switzerland
04 June 2025
Fielding a broad client base that includes pharmaceutical, oil and gas, and construction companies, the ‘sharp’ practice at MLL Legal is regularly engaged by such clients for assistance with commercial, sports, and investment arbitrations. The practice is co-led by Jean Marguerat, who maintains a varied practice that spans marine work, corporate transactions, and sale of goods issues, and Urs Boller, who is highly experienced on the commercial and enforcement side. Dmitry A Pentsov and Léonard Stoyanov, who handles a multitude of contractual and corporate law arbitration, further strengthen the firm’s offering.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘An expanded team now with full-service offering.’
‘Jean Marguerat is very knowledgeable and accessible.’
‘The team has always demonstrated being uniformly aware of the main issues of the arbitral procedure, and always discussed policy and strategy openly with me, which led to a creative environment of exchanges of ideas.’
‘Excellent team of lawyers.’
‘Jean Marguerat is excellent and a no-nonsense person. Easy to work with.'
‘Professional, sympathetic and accessible colleagues, easy to work with, and they develop a quick and sound understanding of the technical interrelationships.’
‘MLL has a strong arbitration group, consisting of well-known and experienced lawyers who are always sharp and simply nice to work with.’
‘Léonard Stoyanov is a stand-out. He is sharp and great at defining winning strategies.’
Key clients
- FCC Construcción
- Kingdom of Spain
- MAN Energy Solutions SE
- Adecco Group AG
Work highlights
Represented MAN Energy Solutions SE in a highly complex construction arbitration.
Represented the Kingdom of Spain in an investment arbitration.
Represented Adecco Group in arbitration proceedings regarding a trademark license agreement.
Lawyers
Practice head
Jean Marguerat; Urs Boller
Other key lawyers
Dmitry A Pentsov; Léonard Stoyanov