Registration (Or Registered Trademark) A registered trademark is designated with the symbol Â®. With a registration, a trademark is protected against another companyâs use of the name or image. A registered trademark is a federal and legal registration of the mark. Any future companies wishing to register its own design/name/image has to check to be sure that it is not like any registered trademarks. If the image is too similar and is still produced, the company is guilty of trademark infringement.