TM is the abbreviation of Trademark and R is the abbreviation of Register. Because it takes a long time from filing the trademark registration application to issuing of the certificate, in order to protect the rights and interests of the applicant, the trademark can be marked TM after the trademark office accepts the application, indicating that the trademark has been applied for and the applicant has the priority to use. And after the successful registration of trademarks, it can be used with R.From this time on, the registered trademark has the characteristics of exclusivity, exclusiveness, uniqueness, etc., belong to the registered trademark exclusive, protected by law, any enterprise or individual without droit of registered trademark permission or authorization, all cannot use by oneself, will assume tort responsibility otherwise.