A: Article 38 of China's Trademark Law stipulates: "If a registered trademark needs to continue to be used after its expiration, it shall apply for renewal of registration within six months before its expiration; Failing to apply within this time limit, a grace period of 6 months may be granted. If no application is made at the expiration of the exhibition period, its registered trademark shall be cancelled. Each renewal of registration is valid for ten years. After the renewal of registration is approved, it will be announced. " In other words, an application for trademark renewal registration can be filed six months before the expiration of the trademark and six months after the expiration of the trademark, and the trademark office will accept it. Six months before the expiration is generally called the renewal application period, and six months after the expiration is called the extension period. During the extension period, the applicant shall pay the extension fee in addition to the application fee for renewal registration. To go through the formalities of trademark renewal, you need to provide: a trademark agency power of attorney signed or sealed by the trademark renewal person, and an application for trademark renewal. It takes about 3-6 months to complete the trademark renewal. The whole process is to apply, review, announce the renewal and issue the renewal certificate. If you don't understand, please refer to p>.