Trade Marks Ordinance, 2001 — section 81

81. Effect of acquiescence..—_(1) Where the owner of an earlier trade mark, or other earlier rights, has acquiesced for a continuous period of five years from the date of registration in the use of a registered trade mark in Pakistan, being aware of that use, there shall cease to be any entitlement on the basis of that earlier trade mark or other right

(a)to apply for a declaration that the registration of the later trade mark is invalid; or

(b)to oppose the use of the later trade mark in relation to the goods or services in relation to which it has been so used, unless the registration of the later trade mark was applied for or used in bad faith.

(2)Where sub-section (1) applies, the proprietor of the later trade mark shall not be entitled to oppose the use of the earlier trade mark or, as the case may be, the exploitation of the earlier right, notwithstanding that the earlier trade mark or right may or longer be invoked against his later trade mark.