casalonga logo

Our services

Protecting & enforcing
your rights

Over 120 Attorneys-at-law,
Patent and Trademark Attorneys
and staff, all at your service
for protecting your IP rights
in any technical field since 1867.

Contact us

Our offices

Tools

Interactive UPC code

Use our Smart and Interactive Code

Tools

Unitary Patent App

Consult our fees comparator

News

Stay informed

news
1 November 2023

No 10-days rule any more at the EPO as of November 1, 2023

For applicants, the end of the 10-day rule will slightly shorten the term for responding to EPO communication since the deadline is now calculated from the date of the communication. It also (...) 
Learn more
12 October 2023

G1/22-G2/22 - Priority Right: decision of the Enlarged Board of Appeal of the EPO

Decision G1/22-G2/22 of the Enlarged Board of Appeal of the EPO regarding the priority right is out!! In its decision, the Enlarged Board of Appeal of the European Patent Office (EPO) held that: (...) 
Learn more
11 January 2024

Two new partners in emerging technologies at CASALONGA

CASALONGA strengthens its Patent teams with the arrival of two new partners, Augustin Le Tourneau and Ghislain de Trémiolles, French and European Patent Attorneys. With over 20 years experience (...) 
Learn more
annonce
reward
18 April 2024

April 2024 - LE POINT - 2024 ranking of the best French law firms

For the 6th year in a row, CASALONGA has been listed in the "Palmarès 2024 des avocats" published by the weekly magazine Le Point, in partnership with the independent institute Statista. Since (...) 
Learn more
12 April 2024

April 2023 - MANAGING IP EMEA Awards

At the Managing IP EMEA Awards 2024, CASALONGA was crowed with 2 awards: - “France Patent Prosecution Firm of the Year"- “France Trademark Prosecution of the Year. Marianne Gabriel, on her part, (...) 
Learn more

Report

Europe

The Unitary Patent

Our team

Find an expert