Patents Act, 1964

Date and term of patent.

26.—(1) Every patent shall be dated with the date of filing of the complete specification :

Provided that no proceeding shall be taken in respect of an infringement committed before the date of the publication of the complete specification.

(2) The date of every patent shall be entered in the register of patents.

(3) Except as otherwise expressly provided by this Act, the term of every patent shall be sixteen years from the date of the patent.

(4) A patent shall cease to have effect, notwithstanding anything therein or in this Act, on the expiration of the period prescribed for the payment of any renewal fee if that fee is not paid within the prescribed period or within that period as extended under this section.

(5) The period prescribed for the payment of any renewal fee shall be extended to such period, not being more than six months longer than the prescribed period, as may be specified in a request made to the Controller if the request is made and the renewal fee and the prescribed additional fee paid before the expiration of the period so specified.