Rule 69 – Information about publication - The European Patent Convention, Implementing Regulations – to the Convention on the Grant of European Patents, Part IV – Implementing Regulations to Part IV of the Convention, Chapter III – Publication of the European patent application
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If a date of publication is specified in the communication under paragraph 1 which is later than the actual date of publication, that later date shall be the decisive date as regards the periods referred to in Rule 70, paragraph 1, and Rule 70a, paragraph 1, unless the error is obvious.