The time for applying for trademark review is within fifteen days from the date of receipt of the rejection notice from the Trademark Office. 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. Legal basis: Article 34 of the Trademark Law of the People's Republic of China: 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.