Legal analysis: about one month. Relevant legal provisions: If the Trademark Office rejects a trademark registration application on some designated goods, the applicant may divide the preliminary application in the application into another application, and the divided application will retain the filing date of the original application.

Legal basis: "Regulations on the Implementation of the Trademark Law of the People's Republic of China" Article 22 If the Trademark Office rejects an application for trademark registration on some designated goods, the applicant may The part of the application that has been initially reviewed is divided into another application, and the divided application retains the filing date of the original application. If division is required, the applicant shall submit a division application to the Trademark Office within 15 days from the date of receipt of the Trademark Office's "Notice of Partial Rejection of Trademark Registration Application". After receiving the division application, the Trademark Office shall divide the original application into two pieces, generate a new application number for the divided preliminary examination application, and make an announcement.