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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

04-2020 EPO updates due dates for payments

EPO clarifies the date at which the new amounts of fees as from April 1st are due


03-2020 Information relating to Coronavirus (COVID-19)

Due dates and delays during the outbreak


12-2019 DABUS patent: EPO refuses patent applications with a machine as inventor

EPO considers that the requirement of designation of inventor was not met.


04-2019 Referral to the Enlarged Board of Appeal related to plant patentability

The President of the EPO has submitted questions to the Enlarged Board of Appeal which relate to the patentability of plants exclusively obtained by...


Cabinet Chaillot