1. Types of trademark review: 1. Review where a party is dissatisfied with the Trademark Office’s rejection of a trademark registration application; 2. Review where a party is dissatisfied with the Trademark Office’s rejection of a registered trademark transfer application; 3. Review by a party who is dissatisfied with the Trademark Office’s rejection of a registered trademark transfer application; Applications for renewal of registered trademarks that are dissatisfied 4. Review by a party who is dissatisfied with the Trademark Office's objection ruling; 5. Review by a party who is dissatisfied with the Trademark Office's cancellation of a registered trademark; 6. Review by a party who is dissatisfied with the Trademark Office's cancellation of an improperly registered trademark; 2. Review The applicant may request a review from the Trademark Review and Adjudication Board within fifteen days from the date of receipt of the rejection notice, ruling notice or revocation notice. If there are special reasons, you can apply for an extension before expiration. The extension time is thirty days, but you need to pay an extension request fee. 3. Documents and materials that need to be provided: 1. "Trademark Agency Power of Attorney": 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 4. Review ruling The Trademark Review and Adjudication Board will make a final ruling on approval or disapproval of registration for registration rejection review or objection review, and will notify the relevant parties in writing. The Trademark Review and Adjudication Board will make a final decision on maintaining or revoking the trademark for other reviews and notify the relevant parties in writing. Article 34 of the Trademark Law: For a trademark that rejects the application and refuses to be announced, the Trademark Office shall notify the trademark registration applicant in writing. If the trademark registration applicant is dissatisfied, he may apply to the Trademark Review and Adjudication Board for review within fifteen days from the date of receipt of the notice. The Trademark Review and Adjudication Board shall make a decision within nine months from the date of receipt of the application and notify the applicant in writing. If there are special circumstances that require an extension, it can be extended for three months with the approval of the industrial and commercial administration department of the State Council. If the party concerned is dissatisfied with the decision of the Trademark Review and Adjudication Board, it may file a lawsuit with the People's Court within thirty days from the date of receipt of the notice.