Patents [CAP.400 57 virtue of this section, .and accordingly the making or refusal of such a declaration in the case of a patent shall not be deemed to imply that the patent is valid. (4) Proceedings for a declaration may be brought by virtue of this section at any time after the date of the notice of the acceptance of the complete specification in pursuance of an application for a patent, and references in this section to the patentee 'shall be con­ strued accordingly. (As amended by G.N. No. 185 of 1964) 57 A. In this Part. unless the context otherwise requires, Court means the High Court. . Detinition of Court PART VIII ASSIGNMENTS AND CORRECTIONS 58. (I) Subject to the provisions of subsection (7) of section thirty-one, the rights granted to a patentee by a patent shall be capa­ ble of assignment and of devolution by operation of law and of being mortgaged and pledged. Provisions as to assignments (2) Where any person becomes entitled by assignment, transmis­ sion or operation of law to a patent or to a share in a patent. 'or becomes entitled as mortgagee, licensee or otherwise to any other interest in a patent, he may apply to the Registrar in the prescribed manner for the registration of his title as proprietor or co-proprietor, or, as the case may be, of notice' of his interest. in the register. and the Registrar shall, upon proof of such entitlement to his satisfaction. register such title or notice against the patent accordingly. (3) Except for the purposes of an application to rectify the regis­ ter under the provisions of this Act. a document in respect of which no entry has been made in the register under subsection (2) shall not be admitted in any proceedings as evidence of the title of any person to a patent, or a share of or interest in a patent, unless the High Court ur Supreme Court otherwise directs. (As amended by G.N. No. 185 of 1964 and Act No. 18 of 1980) 59. (I) The Registrar may authorise­ (a) the correction of any clerical error or omission. or error in translation in any patent, application for a patent or docu­ ment lodged in pursuance of such an application, or in the register: (h) the amendment otherwise of any documents for the amend­ ing of which no express provision is made in this Act; Power of Registrar to authorise corrections