Rule 23 – Registration of licences and other rights - The European Patent Convention, Implementing Regulations – to the Convention on the Grant of European Patents, Part II – Implementing Regulations to Part II of the Convention, Chapter III – Registration of transfers, licences and other rights
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Rule 22, paragraphs 1 and Rule 22, paragraphs 2, shall apply mutatis mutandis to the registration of the grant or transfer of a licence, the establishment or transfer of a right in rem in respect of a European patent application and any legal means of execution affecting such an application.
A registration under paragraph 1 shall be cancelled upon request, supported by documents providing evidence that the right has lapsed, or by the written consent of the proprietor of the right to the cancellation of the registration. Rule 22, paragraph 2, shall apply mutatis mutandis.