A registration might be canceled for any of these grounds:

• Lack of genuine use
• Incompatible with moral principles and public policy
• Use of geographical indication
• Generic mark or common terms
• Conflict with a personal name
• Conflict with registered designs
• Conflict with trade names
• Mark was registered under a representative’s name
• Use of protected flags, emblems or armorial bearing
• Conflict with a well-known or notorious mark
• Proprietary right
• Breach of copyright
• Descriptive, non-distinctive, functional, or misleading/disparaging/deceptive mark