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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.

Rule 109 158

Amendment of the application

Without prejudice to Rule 86, paragraphs 2 to 4, the application may be amended once, within a non-extendable period of one month as from notification of a communication informing the applicant accordingly. The application as amended shall serve as the basis for any supplementary search which has to be performed under Article 157, paragraph 2.

158 Existing Rules 104b to Rule 106a were replaced by new Rules 106 to Rule 112. Decision of the Administrative Council of 13.10.1999 which entered into force on 01.03.2000 (OJ EPO 1999, 660 ff).

Cross-reference list
R. 109 R. 161