Cross-reference list
EPC 1973	EPC 2000
R. 23	R. 25

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European Patent Convention (EPC 1973)

A revised version of the European Patent Convention entered into force on 13 December 2007. The provisions of the revised Convention apply unless the transitional provisions provide for the applicability of the EPC 1973.

EUROPEAN PATENT CONVENTION 1973 - Table of Contents

IMPLEMENTING REGULATIONS TO THE CONVENTION ON THE GRANT OF EUROPEAN PATENTS

PART II - IMPLEMENTING REGULATIONS TO PART II OF THE CONVENTION

PART I - IMPLEMENTING REGULATIONS TO PART I OF THE CONVENTION

PART III - IMPLEMENTING REGULATIONS TO PART III OF THE CONVENTION

Chapter IV - Certification of exhibition

Chapter III - Registering transfers, licences and other rights

Rule 23 - Certificate of exhibition

Rule 23 26

Certificate of exhibition

R. 107

The applicant must, within four months of the filing of the European patent application, file the certificate referred to in Article 55, paragraph 2, issued at the exhibition by the authority responsible for the protection of industrial property at that exhibition, and stating that the invention was in fact exhibited there. This certificate shall also state the opening date of the exhibition and, where the first disclosure of the invention did not coincide with the opening date of the exhibition, the date of the first disclosure. This certificate must be accompanied by an identification of the invention, duly authenticated by the above-mentioned authority.

26 See decisions of the Enlarged Board of Appeal G 3/98, G 2/99 (Annex I).

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European Patent Convention (EPC 1973)