Led by Eric Barbier de la Serre, Jones Day brings together deep expertise in merger control, antitrust investigations and litigation, state aid and distribution matters, with an excellent record of representing prominent clients in cases at both French and European levels. The firm has a particularly strong presence in highly regulated sectors, including banking, energy, pharmaceuticals and telecoms, as well as in environmental and digital matters. Eileen Lagathu is also a key name to note.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- 'Eileen Lagathu stands out in competition law with remarkable qualities that make her a leading professional. Her efficiency allows her to handle complex cases with remarkable speed and relevance. Finally, her natural empathy fosters harmonious working relationships.'
- 'Eric Barbier de la Serre has extensive experience. Eileen Lagathu is technically very strong and always on point.'
- 'The team is always attentive - very efficient and pragmatic.'
- 'Eric Barbier de la Serre: highly technically skilled, knows his files by heart, innovative, very available.'
- 'Jones Day's competition and distribution team is distinguished by a rare combination of high-level technical expertise and a genuine ability to listen and adapt to client needs. It is strong across the full range of European and competition law—both litigation and advisory.'
- 'Within the team, Eric Barbier de La Serre stands out in particular. Beyond his great legal and economic technical expertise, he is above all proactive in proposing solutions. He does not limit himself to theoretical analysis, but guides cases towards concrete and appropriate strategies.'
Key clients
- Biocom California
- Renault
- GIFAM
- Société Générale
- EDF and Framatome
- Orano
- Suez, Eramet and Renault
- LNR
- Fluxys
- TotalEnergies
- Sanofi
- Amolyt Pharma
Work highlights
Represented Biocom California in the Illumina/Grail case before the EU Court of Justice.
Represented Renault in two cartel investigations by, respectively, the European Commission and the Competition Market Authority on used vehicle recycling.
Represented GIFAM in a ten-year investigation by the French Competition Authority concerning home appliances manufacturers.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Eileen Lagathu
Practice head
Eric Barbier de la Serre
Other key lawyers
Eileen Lagathu; Charlotte Breuvart