after the expiration of a trademark, you can entrust a trademark agency for filing with the Trademark Office or go directly to the trademark registration hall of the Trademark Office to handle the trademark renewal business. Prepare application documents, submit application documents, and pay renewal fees. There are three steps in handling the application: (1) The application documents to be submitted when preparing the application documents are: (1) Application for trademark renewal registration; (2) Applicant's identity certificate (photocopy); (3) Power of Attorney for entrusted agent; (4) Copy of registration certificate; (5) If the application documents are in a foreign language, a Chinese translation confirmed by the signature of the translation agency shall also be provided; (2) Submit the application document 1. 2. If a trademark agency is entrusted to handle the application, the trademark agency shall serve the application to the Trademark Office. (3) Payment of renewal fees.

Legal Basis

Article 4 of the Trademark Law of the People's Republic of China * * * If a registered trademark needs to be used continuously after its expiration, the trademark registrant shall go through the renewal procedures in accordance with the regulations within 12 months before the expiration; If it fails to be handled during this period, a six-month extension period may be granted. The validity period of each renewal registration is ten years, counting from the day after the last expiration of the trademark. If the renewal formalities are not completed at the expiration of the period, the registered trademark shall be cancelled. The Trademark Office shall announce the renewed registered trademark.