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European patents

Cabinet Chaillot represents applicants before the European Patent Office for filing European patents and their prosecution, for filing oppositions against EP granted patents. We give you here the main steps of the prosecution, the elements required for filing a European patent or for the entry into EP phase of a PCT application, the validation requirements after the granting since the London Agreement...



Countries of the European patent

Latest news

01-2018 Decision of the Enlarged Board of Appeal G 1/16 – Undisclosed disclaimers

As a reminder, the admissibility of disclaimers (negative limitations) is laid down in decisions G 1/03 and G 2/03 which stipulate...


02-2017 On 10/02/2017 Italy has ratified the Unified Patent Court Agreement

It is the 12th member state of the Unitary Patent project to do so. In order for the Unitary patent to enter into force, Germany and UK still have to...


02-2017 Cambodia recognises European patents

An agreement has been signed according to which the validity of a  European patent application and of the European patent obtained on the basis...


02-2017 Decision regarding partial priorities issued by EPO

Decision G1/15 of the Enlarged Board of Appeal regarding partial priorities was just issued by EPO.According to this decision, a generic OR claim...


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