1. R is the abbreviation of REGISTER, which means registered trademark when used in trademarks. TM is the abbreviation of TradeMark, which includes both the registered trademark R and the direct use of unregistered trademarks that have not been approved by the Trademark Office.

2. The circle R is the mark of a registered trademark, which means that the trademark has been applied for registration at the National Trademark Office and has been reviewed and approved by the Trademark Office to become a registered trademark. The R trademark has the characteristics of exclusivity, exclusivity, and uniqueness. It is exclusively owned by 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 infringement liability.

3. The trademark mark TM can play a certain protective role. However, if the trademark has not been approved and registered by the Trademark Office, its legal protection will not be strong. Only when the unregistered trademark reaches a certain degree of popularity Only under certain circumstances can we obtain legal protection to a certain extent.