Under Section 67(5) of the Patents Act, 1970, a certified copy of or extract from the register of…

Section 67(5) provides, notwithstanding the Indian Evidence Act, 1872, that a copy or extract certified "under the hand of the Controller or any officer duly authorised by the Controller" shall, "in all legal proceedings, be admissible in evidence". Admissibility is not confined to civil cases, does not need the original register, and needs no Government certification.