Regulation 27—Issuance, Form and Certificate of Grant.(1) The patent shall be granted on Form No. 11 and shall contain, in addition to the information indicated in regulation 26 (2), the date of publication of the patent and the address of the inventor and the owner of the patent, and shall be accompanied by the description, the claims and the drawings, if any.(2)  The patent shall be deemed to be granted on the date the Registrar publishes a reference to the grant, in accordance with regulation on 26 (2).(3)  The patent shall be issued to the applicant not later than four months from the publication of the grant and, at that time, a certificate of the grant shall be issued to the applicant on Form No. 12 in the Second Schedule.