(1) The European Patent Office shall examine, on written request, whether a European patent application and the invention to which it relates meet the requirements of this Convention.
(2) 63 A request for examination may be filed by the applicant up to the end of six months after the date on which the European Patent Bulletin mentions the publication of the European search report. The request shall not be deemed to be filed until after the examination fee has been paid. The request may not be withdrawn.
(3) If no request for examination has been filed by the end of the period referred to in paragraph 2, the application shall be deemed to be withdrawn.