In China, TM on trademarks also has its special meaning. In fact, TM logo does not protect trademarks. Different from R. TM, it means that the trademark has been applied to the State Trademark Office, and the State Trademark Office has also issued a notice of acceptance, which has entered an objection period, thus preventing others from repeatedly applying, and also indicating that the existing trademark holders have the priority to use it. Circle R is the mark of "registered trademark", which means that the trademark has been registered in the State Trademark Office and has been approved by the Trademark Office to become a registered trademark. R in the circle is the initial letter of English register registration. Registered trademarks have the characteristics of exclusiveness, exclusiveness and uniqueness. It belongs to the registered trademark owner and is protected by law. Without the permission or authorization of the registered trademark owner, no enterprise or individual may use it, otherwise it will bear tort liability. The use of TM is a trademark symbol, that is, words, graphics or symbols marked with TM are trademarks, but they are not necessarily registered (unregistered ones are not protected by law). TM is the abbreviation of English trademark.