TM means trademark symbol, that is, the words, figures or symbols marked with TM are trademarks, but they are not necessarily registered. TM is the abbreviation of English trademark.
a registered trademark has the characteristics of exclusiveness, exclusivity and uniqueness, which belongs to the owner of the registered trademark and is protected by law. No enterprise or individual may use it without the permission or authorization of the owner of the registered trademark, otherwise it will bear tort liability.