1. Different in nature: the trademark with R has been applied for registration in the State Trademark Office and passed the examination, but the trademark without R has not been applied for registration in the State Trademark Office or has not been approved for the time being.

2. Legal protection: A trademark with R is unique, exclusive and exclusive, and it is an applicant's unique trademark. Its use without permission belongs to infringement, but a trademark without R is not unique and can be used by others.

3. Different meanings: a trademark with R means registered, while a trademark without R may be unregistered or in the process of applying for registration.