Peltier Juvigny Marpeau & Associés
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Peltier Juvigny Marpeau & Associés combines strong advisory and contentious skills to handle high-profile and strategic competition matters at both French and European level. Merger control is a clear area of expertise for the team, which has recently represented a number of leading French-based multinationals before the FCA and EC in relation to complex transactions, while sensitive antitrust investigations and related litigation also make up a significant proportion of the firm’s caseload. Ning-Ly Seng, who particularly stands out for her strength in high-end merger control cases, leads the practice. Former practice co-head Thibault Reymond left the firm in May 2025.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- "Ning-Ly Seng, partner, is my point of contact – always available and accessible, she provides concrete answers to the issues raised."
- "Ning-Ly Seng is an excellent leader in the competition field. She is knowledgeable, has great judgement, and outstanding client management skills. Simply put, she is among the best competition lawyers I have worked with.
Key clients
- Casino, Guichard Perrachon (including Monoprix and C-Discount)
- Bolloré (including Bolloré Energy)
Work highlights
Advised Bolloré SE on its strategic sale of Bolloré Logistics to CMA CGM.