
The team at Casalonga retains its position as a market leader with regards to patents and trade marks, given its outstanding breadth of work that expands across litigation before the French courts, the French IPO, EUIPO and UPC, as well as the European General Court. The firm’s work extends to multiple jurisdictions including Spain, Germany, East Asia, Northern Europe and North America. The firm is led by a plethora of seasoned litigators including Caroline Casalogna, Olivier Delprat, Karina Dimidjian-Lecomte, Jean-Baptiste Lecoeur, Virginie Martin-Charbonneau, Laurence Schardt, Ghislain de Trémiolles and Francis Zapalowicz. The firm advises large multinational companies across a variety of sectors including pharmaceuticals, cosmetics, retail and manufacturing.
Testimonials
Collated independently by Legal 500 research team.
- 'Much appreciated the high quality of patent drafting.'
- 'Professional and responsive team. Good advice.'
- 'Expertise. Quality advice. Responsiveness. Wide range of skills covered.'
- 'Virginie Martin-Charbonneau is very competent, efficient and responds very quickly to our requests, always appropriately.'
Key clients
- Adeo Group
- Allegion (Bricard)
- Antilles-Glaces Group
- A.P.C (Atelier de Production et de création)
- Arkema
- Auchan
- Aurige Group
- Bagi
- Baker Hughes
- Banque BCP
- Berliner
- Biogaran
- Blue Cross Blue Shield Association
- Canon
- Cellectis
- Chereau
- COFINAIR Group (Jacir)
- Credit Mutuel Arkéa
- Dalloyau
- Délices de Guyane
- Diam Bouchage (OENEO Group)
- Elis
- Eram Group
- Ermewa Group (Akiem)
- Essity Hygiene and Health AB
- Etablissement français du sang (EFS)
- Etandex (SPPM)
- Ethnodyne
- Eurecat
- Fayat Group
- France Boissons
- GBH (Bernard Hayot Group)
- GE Renewable Energy & GE Healthcare
- Geodis
- GPMA
- Hasbro
- Heineken Entreprise
- Hisense
- Implantica Marketing Limited
- INAO (French National Institute of origin and quality)
- Institut Gustave Roussy
- JCR (Ekoï)
- Jean Chéreau SAS
- Kriptic pharmaceuticals limited
- Kodak
- La Compagnie de Vichy
- Lalique Group
- Leroy Merlin France (Adeo Group)
- L'Oréal
- MCPP
- Michelin
- Monster Energy company
- Moulin Rouge (SOC BAL DU MOULIN ROUGE)
- Mr.Bricolage Group
- MSF International (Médecins Sans Frontières International)
- Ortho Partner
- Oui Care Group (Financiere Oui Care, O2 Developpement)
- Paramount Group (formerly ViacomCBS) (CBS Studios Inc., Viacom International Inc.)
- Petroval SA
- PolTreg
- Qinomic
- Renault
- Rio Tinto
- Safran
- Sagemcom
- Saint-Gobain
- Samaritaine (LVMH Group)
- Sanofi
- Servier - Les Laboratoires Servier France
- SKF (Svenska KullagerFabriken)
- Sky Group (formerly British Sky Broadcasting Group Plc)
- Société de la Tour Eiffel
- Solvay
- Sovereign Brands
- Spéciales Gillardeau SARL – Maison Gillardeau
- Spiribam (Bernard Hayot Group)
- STMicroelectronics
- Teréga
- Terumo
- TotalEnergies
- Unique Heritage Media (UHM)
- Université de Genève
- Up Coop Group
- V33 Group
- Vallourec
- Vinora (association for the promotion of volcanic wines)
- WAFF
- Wakam
- Yara France
Work highlights
- Assisting TOTALENERGIES with national and PCT application drafting and filing, worldwide prosecution, oppositions and appeals cases before the EPO.
- Assisting L’OREAL with national and PCT application drafting and filing, worldwide prosecution, oppositions and appeals cases before the EPO, notably in defence in several oral opposition proceedings, with a very satisfactory success rate.
- Represented CBS Studios Inc. against Prosper Food S.R.L. before the EUIPO to declare invalid the EUTM registration No. 18246162 on the ground of bad faith pursuant to Article 59(1)(b) EUTMR.
Lawyers

Practice head
The lawyer(s) leading their teams.
Caroline Casalonga, Olivier Delprat, Karina Dimidjian-Lecomte, Jean-Baptiste Lecoeur, Virginie Martin-Charbonneau, Ghislain de Trémiolles, Laurence Schardt, Francis Zapalowicz