Section 21(1) in The Trade And Merchandise Marks Act, 1958
(1)Any person may, within three months from the date of the advertisement or re-advertisement of an application for registration or within such further period, not exceeding one month in the aggregate, as the Registrar, on application made to him in the prescribed manner and no payment of the prescribed fee, allows, give notice in writing in the prescribed manner to the Registrar, of opposition to the registration.
