The easiest way to tell whether a company that is advertising heavily is a scammer is to see if it has its own trademark. Please note that it is not a trademark that is under application, but one that has been "successfully registered".

TM is the copyright mark used during the registration and review period of a trademark. TM is the abbreviation of English trademark, which means that the trademark has been applied to the National Trademark Office, and the National Trademark Office has also issued The "Notice of Acceptance" has entered the opposition period, which can prevent others from filing repeated applications and also indicates that the existing trademark holder has priority to use the trademark.

The circle R is the mark of "registered trademark", which means that the trademark has been applied for registration with the National Trademark Office and has been reviewed and approved by the Trademark Office to become a registered trademark. The R in the circle is the first letter of English register. Circle R is a copyright mark that can only be used after the review period and approval.

Only registered trademarks are protected by law. 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.