1. There are two ways to file an opposition application to the Trademark Office: (1) Entrust a nationally recognized trademark agency to handle it. (2) The objector handles the matter himself. There are two ways for the opponent to apply for trademark opposition by himself: 1. Go directly to the Trademark Registration Hall of the Trademark Office; 2. Apply by mailing documents. 2. Application steps for trademark opposition (1) Entrust a trademark agency to handle the matter 1. Sign a trademark agency power of attorney and attach the opponent’s identity certificate (such as business license, ID card, etc.); 2. Prepare objection documents and draft the objection Reasons and relevant evidence should be attached; 3. The trademark agency shall submit the opposition application to the Trademark Office on behalf of the opponent. (2) Go directly to the trademark registration hall. 1. Prepare the opposition application documents; 2. Submit the application documents at the trademark registration hall; 3. Print the barcode at the coding window; 4. Pay the opposition fee at the payment window. (3) Handle by mailing documents: 1. Prepare the objection application documents; 2. Mail it to the Trademark Office via registered mail or express delivery through the post office. Article 35 of the Trademark Law: If an objection is raised against a trademark that has been initially approved and announced, the Trademark Office shall listen to the facts and reasons stated by the opponent and the person being opposed, and after investigation and verification, the Trademark Office shall, within 12 months from the expiration of the announcement period, Make a decision on whether to grant registration within 12 days, and notify the opponent and the person being opposed in writing. If there are special circumstances that require an extension, it can be extended for six months with the approval of the industrial and commercial administration department of the State Council. Article 24 of the Regulations for the Implementation of the Trademark Law of the People's Republic of China If an objection is raised against a trademark that has been preliminarily reviewed and announced by the Trademark Office, the opponent shall submit the following trademark objection materials to the Trademark Office in duplicate and mark the original and copy. : (1) Application for trademark opposition; (2) Identity certificate of the opponent; (3) Violation of Article 13, paragraphs 2 and 3, Article 15, Article 16, paragraph 1, of the Trademark Law If an objection is raised on the grounds specified in Articles 30, 31, and 32, the opponent must prove that he is a prior right holder or an interested party. The trademark opposition application should have clear requests and factual basis, and should be accompanied by relevant evidence materials. Article 25 After receiving the trademark opposition application, the Trademark Office shall, after examination, find that it meets the acceptance conditions and shall accept the application and issue a notice of acceptance to the applicant.