Notice of correction of trademark registration means that if the application procedures are basically complete or the application documents are basically in line with the regulations, but need to be corrected, the Trademark Office will notify the applicant to make corrections, and limit him to make corrections according to the specified contents within 30 days from the date of receiving the notice and return it to the Trademark Office. It is necessary to send the original and the corrected materials to the Trademark Office.

Trademark change: if the name, address or other registered items of a registrant are changed, an application for change shall be submitted to the Trademark Office. Where a trademark registrant changes its name, it shall also submit a certificate of change issued by the relevant registration authority. If approved by the Trademark Office, a corresponding certificate shall be issued to the trademark registrant and announced; If it is not approved, it shall notify the applicant in writing and explain the reasons.