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  • Patent Index 2020
Part VII – Common provisions
  1. Home
  2. Legal texts
  3. European Patent Convention
  4. Contents
  5. European Patent Convention
  6. Part VII
  7. Chapter I
  8. Article 123
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Chapter I – Common provisions governing procedure

Overview

Article 123143, 144
Amendments

(1) The European patent application or European patent may be amended in proceedings before the European Patent Office, in accordance with the Implementing Regulations. In any event, the applicant shall be given at least one opportunity to amend the application of his own volition. 

(2) The European patent application or European patent may not be amended in such a way that it contains subject-matter which extends beyond the content of the application as filed. 

(3) The European patent may not be amended in such a way as to extend the protection it confers. 


143Amended by the Act revising the European Patent Convention of 29.11.2000.

144See decisions of the Enlarged Board of Appeal G 2/88, G 3/89, G 11/91, G 1/93, G 2/95, G 2/98, G 1/99, G 1/03, G 2/03, G 1/05, G 2/10, G 3/14, G 1/15, G 1/16 (Annex I).

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EPC - Reference
  • Art. 100, 138
    R. 4, 7, 18, 57, 58, 71, 78-82, 137, 138
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