The following can be grounds for opposition:
- relative grounds on the basis of proprietary rights or conflicting earlier registration
- absolute grounds on the basis of non-proprietary rights or non-distinctiveness)
- application was filed in bad faith
- a breach of copyright was proved
- rights under Article 6bis of the Paris Convention are violated
- rights under Article 6septies of the Paris are violated
- rights in a company name
- rights under Article 8 of the Paris Convention are violated
- registered design rights
- rights in a personal name
- unauthorized use or illegal use of protected emblems and national insignia