European patents

Cabinet Chaillot represents applicants before the European Patent Office for the filing of European patent applications and their subsequent prosecution, for filing oppositions against granted EP patents. We provide here the main steps of the prosecution, the requirements for filing a European patent application or for entry into EP phase of an international PCT application, the validation requirements after grant since the London Agreement...



Countries of the European patent

Latest news

08-2020 New CJEU decision on SPCs

A recent decision from CJEU specified what is a first marketing authorisation


05-2020 Decision G3/19

Patentability of plants and animals exclusively obtained by essentially biological processes


05-2020 New extension of time limits before EPO

EPO further extended to June 2nd, 2020 all time limits expiring on or after March 15th, 2020.See updated information page of EPO here.


04-2020 New extension of time limits before EPO

EPO further extended to May 4th, 2020 all time limits expiring on or after March 15th, 2020.See updated information page of EPO here.


Cabinet Chaillot