Sitting in the firm’s ethics, investigations and defence department, the competition practice at Stephenson Harwood has significant expertise in the implementation of competition compliance programmes, and is also well versed in merger control, antitrust investigations and litigation, and distribution matters. Jean-Julien Lemonnier steers the team, advising leading clients in the banking, energy, construction, health and automotive sectors.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Jean-Julien Lemonnier is always accessible and highly adaptable. His pragmatic and insightful advice consistently reflects a deep understanding of legal complexities as well as the broader economic context.'
- ‘The team stands out for its combination of technical excellence, commercial insight, and efficiency. They are highly collaborative, coordinating seamlessly with local and international counsel, and consistently deliver practical, business-minded solutions under tight timelines.'
- ‘Jean-Julien Lemonnier is an outstanding antitrust lawyer, combining deep legal expertise with a strong commercial perspective. He is highly strategic, precise, and communicates complex issues with clarity.'
- 'Jean-Julien Lemonnier's long-standing experience in merger filings, along with his collaborative approach, makes him exceptionally reliable and a pleasure to work with. He consistently adds value to every transaction and sets a high standard in the field.’
- ‘Competent people who are excellent at debating a pleading until it is smooth, clear and simply presented.’
- ‘They seemed very comfortable with each other, shared credit and listened to other ideas - the sign of a good team.’
Key clients
- Crédit Agricole SA
- BNP Paribas
- Crédit Agricole CIB
- Kombo
- InVivo
- Valeo
- BPCE
- Natixis
- Bio-Rad
- Carambar
- Almaviva Santé
Work highlights
Advising Crédit Agricole on investigations by the European Commission and the subsequent appeal before the European courts.
Advising a major French bank on the potential claims for damages that may arise from a decision of the French Competition Authority.
Assisted Carambar on the notification to the French Competition Authority of the sale of one of its factories to Andros.
Practice head
Jean-Julien Lemonnier
Other key lawyers
Laetitia Ghebali; Blanche Balian
