There are generally three kinds of trademarks? TM R? c?
trademark
Has it been introduced above? TM is the abbreviation of English trademark. That is to say, although it is used as a trademark, it has not been registered or passed. Trademark identification does not protect trademarks.
r trademark
Trademark r has been registered and passed the examination, then the trademark is protected by law. Others don't need it.
C trademark
C mark is a copyright trademark.
It means that the design or graphic has been registered in China. So it is also protected by law.