1. TM is the abbreviation of English trademark, which means the trademark symbol. That is, the words, graphics or symbols marked TM are trademarks.

2. TM means that the trademark has been applied to the National Trademark Office, and the National Trademark Office has also issued a "Notice of Acceptance" and entered the opposition period, so as to prevent others from filing Repeated application also means that the existing trademark holder has priority to use it.

3. The R in the circle is the first letter of register in English, and the R in the circle is the mark of "registered trademark", which means that the trademark has been applied for registration at the National Trademark Office and has been reviewed and approved by the Trademark Office. Become a registered trademark. Registered trademarks have the characteristics of exclusivity, exclusivity, and uniqueness. They are exclusively owned by the owner of the registered trademark and are protected by law. No enterprise or individual may use it without the permission or authorization of the owner of the registered trademark, otherwise they will bear infringement liability.