Legal analysis: 1. Trademark opposition application;

2. Clear request and factual basis, accompanied by relevant evidence materials. The objection reason letter should be signed or added by the opponent. Stamped with official seal;

3. Copy of the preliminary approval announcement of the opposed trademark (can be downloaded from the Internet);

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 The following trademark opposition materials should be submitted to the Trademark Office in duplicate and marked with the original and duplicate: (1) Trademark opposition application; (2) Identity certificate of the opponent; (3) Violation of Article 13, paragraph 2 and If an objection is raised on the grounds specified in Paragraph 3, Article 15, Paragraph 1 of Article 16, Article 30, Article 31, or Article 32, the opponent shall be the prior right holder or interested party. Proof of man. The trademark opposition application should have clear requests and factual basis, and should be accompanied by relevant evidence materials.

Article 27 The Trademark Office shall promptly send a copy of the trademark objection material to the party being opposed, and the party shall be limited to respond within 30 days from the date of receipt of the copy of the trademark objection material. If the respondent fails to respond, it will not affect the decision of the Trademark Office. If the party needs to supplement relevant evidence materials after filing an opposition application or defense, it shall declare it in the trademark opposition application or defense, and submit it within 3 months from the date of submission of the trademark opposition application or defense; if it is not submitted within the time limit, , it shall be deemed that the party concerned has given up supplementing relevant evidence materials. However, if the evidence is generated after the expiration of the time limit or the party fails to submit it before the expiration of the time limit due to other legitimate reasons, if the evidence is submitted after the expiration of the time limit, the Trademark Office may accept the evidence after giving it to the other party and cross-examining it.