The Geographical Indications of Goods (Registration and Protection) Act,1999
Section 26. Protection to certain Trade marks
(1) Where a trade mark contains or consists of a geographical indication and has been applied for or registered in good faith under the law relating to trade marks for the time being in force, or where rights to such trade mark have been acquired through use in good faith either-
(a) before the commencement of this Act; or
(b)before the date of filing the application for registration of such geographical indication under this Act; nothing contained in this Act shall prejudice the registrability or the validity of the registration of such trade mark under the law relating to the trade marks for the time being in force, or the right to use such trade mark, on the ground that such trade mark is identical with or similar to such geographical indication.
(2) Nothing contained in this Act shall apply in respect of a geographical indication with respect to goods or class or classes of goods for which such geographical indication is identical with the term customary in common language as the common name of such goods in any part of India on or before the 1st day of January,1995.
(3) Nothing contained in this Act shall in any way prejudice the right of any person to use, in the course of trade, that persons name or the name of that persons predecessor in business, except where such name is used in such a manner as to confuse or mislead the people.
(4) Notwithstanding anything contained in the Trade Marks Act,1999 or in this Act, no action in connection with the use or registration of a trade mark shall be taken after the expiry of five years from the date on which such use or registration infringes any geographical indication registered under this Act has become known to the registered proprietor or authorised user registered in respect of such geographical indication under this Act or after the date of registration of the trade mark under the said Trade Marks Act subject to the condition that the trade mark has been published under the provisions of the said Trade Marks Act,1999 or the rules made thereunder by that date, if such date is earlier than the date on which such infringement became known to such proprietor or authorised user and such geographical indication is not used or registered in bad faith.