The following can be grounds for cancellation:

• proprietary rights
• the mark is generic
• the mark is descriptive
• breach of copyright
• the mark is not distinctive
• protection of armorial bearings, flags and other State emblems
• notorious or well-known mark
• using a representative for the proprietor of the mark
• registered design rights
• the mark is against public policy or principles of morality
• the mark consists of a geographical indication
• the mark is of such a nature as to deceive the public