R is the abbreviation of REGISTER. When used in trademarks, it means that the trademark has been applied for registration at the National Trademark Office and has been reviewed and approved by the Trademark Office to become a registered trademark. The Implementation Regulations of my country's Trademark Law stipulate that the use of registered trademarks , you can indicate "registered trademark" or registered mark on the goods, product packaging, instructions or other attachments. When using a registered mark, it should be marked on the upper right corner or lower right corner of the trademark.

Trademarks in the United States are usually marked with TM, which does not necessarily mean a registered trademark. TM means the trademark symbol, 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).

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