Legal analysis: Famous trademarks should apply to the provincial industrial and commercial administration department, provide relevant materials and fill in the application form, and the department will accept the application; then the municipal administrative department for industry and commerce will review it and determine that it meets the requirements. If the trademark meets the conditions, it will be recommended to the provincial level; after the recommendation, the Provincial Famous Trademark Recognition Committee will recognize the trademark. If the recognition is successful, the trademark will be recognized as a famous trademark.

Legal basis: "Trademark Law of the People's Republic of China"

Article 39 The validity period of a registered trademark is ten years, calculated from the date of approval 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.