1) Extend trademark rights and continue to obtain legal protection;
2) Continuously accumulate the value of intangible assets of trademarks and obtain higher evaluation values;
3) Only registered trademarks with continuous use and high visibility are eligible to be recognized as famous trademarks and well-known trademarks;
4) Due to the continuous changes in the Trademark Law, some trademarks are subject to the new Trademark Law The registration has been unable to be successful and the trademark rights can only be extended through renewal. For example, brands such as China, Great Wall, Beijing, and Liangmianzhen all fall into this category.