Circle R is a sign of "registered trademark", which means that the trademark has been registered by the State Trademark Office and applied for trademark examination registered by the Trademark Office. Jacky began to register with the English letter R.

The exclusivity, exclusiveness and uniqueness of a registered trademark are the exclusive owners. According to the law, a registered trademark protected by any enterprise or individual shall not be used for its own use without the permission or authorization of the registered trademark owner, otherwise it will bear tort liability.