Article 77 Revocation and amendment of patents under section 73

The opportunity to be given by the comptroller under subsection (1) or (2) of section 73 to the proprietor of a patent to make observations and to amend the specification of the patent shall be given by the comptroller sending to the proprietor notice informing him that he may make the observations and amend the specification and that, if he wishes to do so, he must do so within three months after the notice is sent to him.

Where the comptroller gives leave under section 73 for the specification of the patent to be amended, he may, before the specification is amended, require the applicant to file a new specification as amended, prepared in accordance with rules 16, 18 and 20.