(1) The central industrial property office of a designated Contracting State shall apply the procedure for the grant of a national patent only at the request of the applicant for or proprietor of a European patent, and in the following circumstances:
(b) in such other cases as are provided for by the national law in which the European patent application is refused or withdrawn or deemed to be withdrawn, or the European patent is revoked under this Convention.
(2) The request for conversion shall be filed within three months after the European patent application has been withdrawn or after notification has been made that the application is deemed to be withdrawn, or after a decision has been notified refusing the application or revoking the European patent. The effect referred to in Article 66 shall lapse if the request is not filed in due time.
|Art. 135(2)||R. 155|