Trademark renewal does not need to be one year in advance, that is, it can be handled within one year before the trademark expires, and it does not need to come for half a year a year ago. Of course, the renewal time is still relatively long, and the exclusive guarantee time can reach 10 year. Where a registered trademark needs to be used continuously after the expiration of its term of validity, the trademark registrant shall go through the renewal procedures in accordance with the provisions within 12 months before the expiration; If it has not been handled during this period, it can be extended for six months. 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 application documents to be submitted are: 1, trademark renewal registration application; 2, the applicant's identity documents (copy); 3. Power of attorney of the entrusted agent; 4. A copy of the agent's ID card directly handled in the acceptance hall; 5. If the application documents are in a foreign language, a Chinese translation signed and confirmed by the translation agency shall also be provided.