TM is the abbreviation of English trademark. When translated, it 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.