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EPC 1973 EPC 2000
Art. 84 Art. 84

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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
CONVENTION Preface Implementing Regulations
PART III - APPLICATION FOR EUROPEAN PATENTS PART II - SUBSTANTIVE PATENT LAW PART IV - PROCEDURE UP TO GRANT
Chapter I - Filing and requirements of the European patent application   Chapter II - Priority
Article 84 - The claims Article 83 - Disclosure of the invention Article 85 - The abstract


Article 84 55

The claims

Art. 78, 80
R. 29, 31, 35



The claims shall define the matter for which protection is sought. They shall be clear and concise and be supported by the description.


55 See decisions/opinions of the Enlarged Board of Appeal G 2/98, G 1/03, G 2/03 (Annex I).

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