The circle R is the mark of "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 in the circle is the first letter of English register. Registered trademarks have the characteristics of exclusivity, exclusivity, and uniqueness. They are exclusively owned by the owner of the registered trademark and are protected by law. No enterprise or individual may use it without the permission or authorization of the owner of the registered trademark, otherwise they will bear infringement liability.

TM is the abbreviation of English trademark, which means commercial mark, that is, trademark. That is, the words, graphics or symbols marked with TM are trademarks, but they are not necessarily registered (unregistered ones are not protected by law). In China, the TM on the trademark also has its own special meaning, and the TM mark does not protect the trademark. , it is different from R. TM means that the trademark has been applied to the National Trademark Office, and it is under review. It also means that the trademark has been applied for first. China adopts the first-to-file principle.