Rule 137 – Amendment of the European patent application - The European Patent Convention, Implementing Regulations – to the Convention on the Grant of European Patents, Part VII – Implementing Regulations to Part VII of the Convention, Chapter VI – Amendments and corrections
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No further amendment may be made without the consent of the Examining Division.
When filing any amendments referred to in paragraphs 1 to 3, the applicant shall identify them and indicate the basis for them in the application as filed. If the Examining Division notes a failure to meet either requirement, it may request the correction of this deficiency within a period of one month.
Amended claims may not relate to unsearched subject-matter which does not combine with the originally claimed invention or group of inventions to form a single general inventive concept. Nor may they relate to subject-matter not searched in accordance with Rule 62a or Rule 63.