China's Trademark Law stipulates that the validity period of a registered trademark is 10 year. The term of protection of trademark rights is ten years, and the renewal procedures can be handled after the expiration. According to Article 39 of the Trademark Law, the period of validity of a registered trademark is ten years, counting from the date of approval of registration. Article 40. 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 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.

Matters needing attention in registered trademark:

1. Enterprises applying for the main protection must first register the trademark of their main business, such as selling clothes, and then register clothes first.

2. Need to register the industry category of interest, such as selling drinks, and need to register the pesticide category at the same time; You need to register toilets at the same time to make food, so as to avoid others having a negative impact on the brand you have been operating for many years.

3. Internet and advertisements must be registered in the Internet and self-media era. Because of the need of publicity and promotion, enterprise products and services are increasingly provided to consumers with the help of official WeChat accounts, website platforms, mobile apps and other Internet tools, and brand infringement cases and domain name cybersquatting cases occur frequently.

4. To register a trademark for a product category affiliated to a certain industry, it is necessary to protect not only the industry category, but also the industry affiliated with the product, such as employees' clothing, so as to avoid that one day, employees of the company will print a logo on the uniform clothing, and the trademark owner will come and ask for a change of clothes.