Once again this year, CASALONGA is recognized by Chambers as a leading IP firm :

• - Band 3 in "Intellectual Property" in the France Guide 2026
• - Band 3 in "Intellectual Property" in the Global Guide 2026

Marianne Gabriel is also a Ranked Lawyer, Band 3 in “Intellectual Property : Patents” in both the France and Global Guides 2026.

Thank you to all our clients for their trust and their glowing testimonials !
Here is a selection :
"CASALONGA offers very quick and practical assistance. The expertise is obvious and the firm has a deep bench to assist in matters that come up unexpectedly."
"CASALONGA’s strengths include timeliness, responsiveness, clarity of advice and quality of representation."
"CASALONGA is highly responsive and has a thorough understanding of clients’ workings and needs. The different skills within the team enable us to have an accurate and in-depth view of complex issues."
"The CASALONGA team is commercially aware of our risk tolerance level and provides practical advice. The law firm provides excellent services and is very responsive to timely requests."
"Whether in France or abroad, CASALONGA’s mastery of trade mark law and the quality of its network of colleagues make it very reliable in providing good advice."

Find the complete analysis of our firm and client testimonials in the France Guide 2026 here and in the in the Global Guide 2026 here.