RCW 19.77 sets out Washington's trademark registration law. Washington's law is modeled after the Model State Trademark Bill (MSTB).Serving Clients in all 50 States and the District of Columbia — Providing Patent and Trademark Services before the U.S. Patent and Trademark Office. Get free patent and trademark legal assistance. Patent Pro Bono Program. This course will provide a survey of intellectual property law for a technical (non-legal) audience, with a primary focus on patent law. This research guide includes individual guides for conducting patent or trademark searches, as well as starting points for additional research. This course provides a survey of intellectual property law for a technical (non-legal) audience. Compare 115 patents attorneys in Washington on Justia. What is a Trademark?