Legal analysis: To apply for a trademark opposition, you need to submit the following materials:

1. Trademark opposition application;

2. Clear request and factual basis, with attachments Regarding evidentiary materials, the statement of reasons for opposition should be signed or stamped with the official seal of the opponent;

3. Copy of the preliminary approval announcement of the opposed trademark

4. Identity certificate of the opponent .

5. Copy of the handler’s ID card.

6. If you entrust a trademark agency to handle trademark opposition applications, you must also submit a trademark agency power of attorney.

Legal basis: "Regulations on the Implementation of the Trademark Law of the People's Republic of China" Article 24 If an objection is raised against a trademark that has been initially approved and announced by the Trademark Office, the opponent shall submit the following trademarks to the Trademark Office Opposition materials must be made in duplicate and marked with the original and duplicate copies:

(1) Trademark opposition application form;

(2) Opponent’s identity certificate;

( 3) On the grounds of violating the provisions of Article 13, paragraph 2 and 3, Article 15, Article 16, paragraph 1, Article 30, Article 31, and Article 32 of the Trademark Law If an objection is raised, proof that the opponent is the prior right holder or interested party.

The application for trademark opposition should have clear requests and factual basis, and should be accompanied by relevant evidence materials.