Legal analysis: 1. If you entrust a trademark agency to act as an agent, you must provide a power of attorney stamped with the applicant’s seal. Applicants from outside mainland China who want to apply for trademark review in China must entrust a trademark agency to do so. 2. Various types of re-examination applications: If you entrust an agency to apply for trademark re-examination, the agency will prepare it. 3. Reasons and evidence materials.

Legal basis: "Administrative Reconsideration Law of the People's Republic of China" Article 19 Laws and regulations stipulate that one should first apply for administrative review to the administrative review agency, and then file an application with the People's Court if you are not satisfied with the administrative review decision. In the case of administrative litigation, if the administrative review organ decides not to accept the case or fails to respond within the administrative review period after accepting the case, citizens, legal persons or other organizations may file a lawsuit fifteen years from the date of receipt of the decision not to accept the case or the expiration of the administrative review period. Within days, an administrative lawsuit will be filed with the People's Court in accordance with the law.