Legal analysis: The original copy of the reason for defense, notice of defense or notice of exchange of review evidence, documents proving the qualifications of the respondent, and relevant evidence materials that can support the reasons for defense.

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 (2) Opponent’s identity certificate (3) Violation of Article 13, Paragraphs 2 and 3 of the Trademark Law If an objection is raised on the grounds specified in paragraph 15, paragraph 1 of Article 16, Article 30, Article 31, or Article 32, the opponent shall be a prior right holder or an interested party. prove.

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