
The team at Dentons has a particular strength for advising its clients, which include some of the largest technology companies in the world, on their patent issues involving employee inventions, pre-litigation, and nullity actions, as well as infringement action. Noted by clients for its impressive responsiveness, the team is led by Loïc Lemercier, who in addition to being an IP litigation expert, boasts significant experience with FRAND and SPC issues for clients in the pharmaceutical, telecommunications, luxury, food and beverage, internet, and technology sectors. He is assisted by a trifecta of high-achieving associates, namely Isabelle Leroux, Tom Blanchet, and Chen Gu, who all have gained a wealth of experience with regards to complex patent litigation.
Testimonials
Collated independently by Legal 500 research team.
- ‘Loïc Lemercier's team offers incredible value. Involvement, availability, speed and quality are excellent.’
‘Loïc Lemercier is an exceptional leader. Tom Blanchet and Chen Gu are also recommended.’
‘The team is exceptional in terms of competences, availability, recommendations, complementarity and follow-up even when members are travelling.'
'Very reliable answers are always given within 24 hours.’
‘Great professionalism, responsiveness, availability and a lot of seriousness in handling files.’
‘Loïc Lemercier has a very high level of expertise, his availability is unmatched. He is always proactive and very attentive.'
Key clients
- Apple
- EOS Imaging
- Magnier LLC
- Septodont
- CNRS
- MyRobotics
- AL.CHI.MIA. S.R.L. AND OPHTA FRANCE
- Softbox
- Sophia Engineering
- Chanel
Work highlights
- Advised Apple on a patent litigation dispute brought by Mr Ferid Allani before the Paris Court.
- Advised EOS imaging on a potential contractual liability action with its partner Amvalor, and potentially a patent infringement action in the medical imaging field.
- Acted Magnier LLC, a US company, leading manufacturer of transformer protectors, against STP further to a breach of the licence agreement.
Lawyers

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