- If the trademark is similar or identical to an earlier or existing registered trademark.
- If the mark is devoid of any distinctive character or is descriptive.
- The trademark is likely to deceive the public or cause confusion.
- If the mark is customary in the current language, or it is in the established practices of business.
- If the mark is contrary to the law or prohibited under the Emblem and Names Act, 1950
- The mark contains matters that are likely to hurt religious sentiments of any class or section of people.