Section 12

Where a certificate has been issued by the Comptroller-General of Patents, Designs and Trade Marks, or by any other officer authorised to do so, under section 16(8) of the Patents Act 1949, and where an entry in the United Kingdom Register of Patents has been rectified under that subsection, an application may be made to the Registrar of Patents accompanied by a certificate of such rectification under the seal of the United Kingdom Patent Office or a duly certified copy of the certificate issued by the Comptroller-General of Patents, Designs and Trade Marks that the entry may be made in the Register of Patents, and upon receipt of the application the Registrar shall make the necessary entries in the Register.[U.K. 12, 13 & 14 Geo. 6 c. 87]