- For the purposes of sub-section (4) of section 46, the period within which a company may be registered as the subsequent proprietor of a registered trademark upon application made under rule 75 shall be six months from the date of advertisement in the Journal of the registration of the trademark or such further period not exceeding six months as the Registrar may allow on application being made in Form TM-P by the applicant for registration of title or the registered proprietor, as the case may be, at any time before or during the period for which the extension can be allowed.