The reasons for trademark opposition are as follows: 1. Without authorization, the agent or representative registers the trademark of the principal or represented person in his own name. 2. The trademark applied for registration for the same kind of goods or similar goods is identical or similar to an unregistered trademark previously used by another person, and the applicant has a contract, business relationship or other relationship with the other person other than those specified in the preceding paragraph and is fully aware of the existence of the other person's trademark. , the other person raises objection. 3. Protection of well-known trademarks. 4. The trademark contains a geographical indication of the product, but the product does not originate from the area indicated by the mark, misleading the public. 5. Apply for trademark registration to damage the existing prior rights of others, or to preemptively register a trademark that has been used by others and has certain influence by unfair means. 6. If two or more trademark registration applicants apply for registration of the same or similar trademark on the same or similar goods, the trademark that was applied for first and used first will be initially reviewed and announced, and the other trademark will be rejected. application. 7. The trademark applied for registration does not comply with the relevant provisions of the Trademark Law or is identical or similar to a trademark that has been registered or preliminarily approved by others on the same or similar goods. 8. Bad-faith trademark registration applications not intended for use. 9. The trademark applied for registration is a trademark that cannot be used as a trademark. 10. The trademark applied for registration lacks descriptiveness or distinctiveness. "Trademark Law of the People's Republic of China" Article 4 "Trademark Law of the People's Republic of China" Article 10 "Trademark Law of the People's Republic of China" Article 11 "Trademark Law of the People's Republic of China" Article 12 of the Trademark Law of the People's Republic of China "Trademark Law of the People's Republic of China" Article 13 "Trademark Law of the People's Republic of China" Article 15 "Trademark Law of the People's Republic of China" Article 16 "Trademark Law of the People's Republic of China" Article 30 "Trademark Law of the People's Republic of China" Article 31 "Trademark Law of the People's Republic of China" Article 32 Article 33 of the Trademark Law of the People's Republic of China