Casalonga stands out for its integrated model uniting patent attorneys and litigators to deliver end-to-end patent services from prosecution and EPO oppositions to national and UPC enforcement and has a wealth of experience in the mechanics, electronics, chemistry, pharmaceuticals, and biotechnology sectors. The team is consists of Arnaud Casalonga, a veteran in cross-border patent disputes, Caroline Casalonga, expert in European patent litigation, Olivier Delprat in mechanics and electronics, Marianne Gabriel in pharmaceuticals and SPCs, Jean-Baptiste Lecoeur in pharmacy and chemistry and Virginie Martin-Charbonneau in chemistry. Ghislain de Trémiolles also works in electronics, software, telecommunications and AI.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Very high level of competence, very high level of seriousness and creativity’
- ‘Arnaud Casalonga, highly experienced and constantly thinking ahead to benefit his client. The team is highly dedicated despite their workload.’
- ‘Casalonga has extensive experience in intellectual property, its defence, and strategy. Their support saves us time and money.’
Key clients
- Safran L'Oréal STMicroelectronics Canon Sagemcom Broadband SAS Biogaran Adeo Group Vallourec Renault TotalEnergies SKF (Svenska KullagerFabriken) Michelin GE Renewable Energy & GE Healthcare Servier - Les Laboratoires Servier France Institut Pasteur Institut Gustave Roussy Cellectis Kriptic pharmaceuticals limited Rio Tinto Arkema Auchan Baker Hughes Chereau COFINAIR Group (Jacir) Diam Bouchage (OENEO Group) Dianafood Elis Etandex (SPPM) Ethnodyne Eurecat Fayat Group Hisense Implantica Marketing Limited Innov'Action JCR (Ekoï) Jean Chéreau SAS MCPP MSI France Ortho Partner PolTreg Solvay Teréga Terumo Thalgo Group (Perron Rigot) Université de Genève Villard Médical WAFF Zentiva
Work highlights
Defended SAGEMCOM (co-defendant with the operators and other providers) against Intellectual Ventures in a fair, resonable and non-discriminatory (FRAND) patent licensing matter in the telecom industry.
Represented BIOGARAN against the MSD/Organon companies in several cases concerning Ezetimibe + Simvastatin (SPC, nullity and infringement).
Defended BIOGARAN against BAYER before the Paris Court of First Instance in an action based on patent infringement and nullity.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Other key lawyers
Arnaud Casalonga; Caroline Casalonga; Olivier Delprat; Marianne Gabriel; Jean-Baptiste Lecoeur; Virginie Martin-Charbonneau; Ghislain de Tremiolles