Trade mark is a specialized legal term. After a brand or part of a brand is registered by the relevant government departments in accordance with the law, it is called a "trademark". Trademarks are protected by law, and the registrant has exclusive rights. Well-known trademarks in the international market are often registered in many countries. There is a distinction between "registered trademarks" and "unregistered trademarks" in China. Registered trademarks are trademarks that are protected by law after being registered with relevant government departments. Unregistered trademarks are not protected by trademark laws. [1-2]