RCW 19.77 sets out Washington's trademark registration law. Washington's law is modeled after the Model State Trademark Bill (MSTB).How do I file a Trademark Registration? See RCW 19.77 for guidance and what is required to register a Trademark in the State of Washington. 2 copies of completed application (model form is available). One copy will be returned to customer for future reference. Below is the Trademark Working Group's GLOBAL TRADEMARK REPORT CARDâ„¢. For information about Corporate Names and State Trademarks Contact: Office of the Secretary of State Corporations and Charities Division In April 2021, the team filed a trademark application for "CLEVELAND GUARDIANS" in a tiny, remote, island nation known as the Republic of Mauritius.