It is not necessary to register a trademark, and trademark rights can be obtained without registration. A USPTO trademark registration application can be filled out to register, which offers several benefits. By registering your USA trademark, you gain statutory protection from infringement. Furthermore, registration makes it easy to prove to courts that you are the rightful owner of a USPTO trademark registration. By using the Ⓡ symbol next to your trademark, you can assert ownership and warn others against using it.