
Dentons serves as a trusted adviser to some of the world’s most prominent fashion brands, as well as social media platforms and technology companies. The team has experience of handling multiple litigations simultaneously as well as pre-litigation matters at a French and pan-European level. Practice head Loïc Lemercier handles trademarks and designs matters alongside a broader IP practice. Isabelle Leroux has notable strength handling literary and artistic property matters,
Testimonials
Collated independently by Legal 500 research team.
‘Versatility, flexibility, availability, competence are its assets compared to other firms’
‘Loïc Lemercier, Availability, competence, pedagogue ’
‘The first quality is that we can really talk about a team, the team spirit and behavior are clearly present. The level of expertise is very high, Isabelle Leroux's team having been exposed to many very strategic disputes and with significant visibility in France and internationally. The responsiveness is very good and the sense of the business spirit of the recommendations is really present.’
‘Isabelle Leroux - Excellent relationship with conflict, very strategic and an advocate that is better to have on your side than against.'
Key clients
- Lactalis
- Apple
- Supreme
- CNRS
- CLT-UFA, RTL Television GmbH, RTL Group, Canal +
- Arko
- Devialet
- Chanel
- TotalEnergies
Work highlights
- Advised Supreme on more than five litigations in several French courts defending its Supreme trademark against major international infringers.
- Represented Lactalis in several disputes in France, in particular before the Rennes Court of Appeal concerning a trademark opposition.'
- Represented and assisted Apple in a dispute initiated for an alleged trademark infringement.
Lawyers

Practice head
The lawyer(s) leading their teams.
Loïc Lemercier