You can go to the National Trademark Office website to check. After the renewal application is approved, the Trademark Office will issue the renewal certificate to the applicant. If it is handled directly, it will be sent to the applicant by mail according to the address filled in on the application form. If it is handled through an agent, it will be sent to the agency organization. If the renewal application is disapproved, the Trademark Office will issue a "Notice of Disapproval". If the application is processed directly, it will be sent to the applicant by mail according to the address filled in the application form; if it is processed through an agent, it will be sent to the agency organization. A registered trademark is valid for 10 years. If a registered trademark needs to be continued to be used after it expires, an application for renewal of registration should be made within one year before expiration. If you fail to apply during this period, there is still a 6-month extension period. If an application has not been filed within the extension period, the Trademark Office will cancel it after the expiration of the extension period.

Legal basis:

"Trademark Law of the People's Republic of China"

Article 39 The validity period of a registered trademark is ten years, subject to approval Calculated from the date of registration.

Article 40 If a registered trademark expires and needs to be continued to be used, the trademark registrant shall go through the renewal procedures in accordance with the regulations within twelve months before the expiration; if it cannot be done during this period, it may A six-month grace period was granted. Each renewal of registration is valid for ten years, starting from the day after the expiration of the previous term of validity of the trademark. If renewal procedures are not completed upon expiration, the registered trademark will be cancelled. The Trademark Office shall announce the renewal of registered trademarks.