The various grounds on the basis of which a person may initiate Opposition Proceedings are:
- The trademark is similar or identical to an earlier or existing registered trademark.
- The mark is devoid of distinctive character.
- The mark is descriptive in nature.
- Application for the trademark is made with bad faith.
- The mark is customary in the current language or in the established practices of business.
- The trademark is likely to deceive the public or cause confusion.
- The mark is contrary to the law or is prevented by law.
- The trademark is prohibited under the Emblem and Names Act, 1950.
- The mark contains matters that are likely to hurt religious feelings of any class or section of people.