A well-known trademark is directly recognized by the court or the State Administration for Industry and Commerce. It is an affirmation given to brands that have reached a certain level of domestic popularity. They will be given special protection by the Trademark Law and enjoy the special protection of trademarks! R is the English abbreviation of registered trademark, the full English name is "register", which means registered commercial mark; TM is the English abbreviation of commercial mark, the full English name is "trademark", including registered and Unsuccessfully registered business mark! There is no other representation of the trademark in English. In addition, C means copyright registration