The R mark on the picture should refer to the symbol in the upper right corner. ? is a legally registered trademark mark. As long as "?" is marked on the trademark, it means that the trademark has been approved and registered by the Trademark Office and is a registered trademark. Trademarks that have not been approved for registration shall not be marked with ?, otherwise it will constitute an act of passing off a registered trademark.

R is the abbreviation of REGISTER, which means registered trademark when used in trademarks. The circle R indicates "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.