TM is the abbreviation of English trademark. It has no legal effect in our country. It is usually used as the trademark symbol in the application and is marked in the upper right corner. In some European and American countries, it is used as a registered trademark. mark; R is the mark of a registered trademark in my country, which has legal significance. Only trademarks approved and registered by the Trademark Office can be used, and must be marked on the upper right corner or lower right corner of the trademark. Intellectual property consultant: Liu Yang