As far as Trademark Opposition in India is concerned, Section 21 of the Trademarks Act, 1999 says that “any person” who wants to oppose a trademark application can do so by filing a Trademark Opposition. An applicant must have trademark registered for filing opposition Any entity/consumer/buyer/purchaser/ likely to use goods. If the mark is contrary to the law or prohibited under the Emblem and Names Act, 1950. If the mark contains matters related to hurting any religious sentiments of any class or section of people.