Oregon Revised Statutes Trade Regulations and Practices § 647.115

(1) The provisions of this chapter do not adversely affect the rights or the enforcement of rights in marks or trade names acquired in good faith at any time at common law.

(2) The enumeration of a right or remedy in this chapter does not affect the right of a registrant to prosecute under a penal law of this state.

(3) The intent of this chapter is to provide for a system of trademark registration and protection substantially consistent with the system of trademark registration and protection set forth in 15 U.S.C. 1051 et seq. Construction given the provisions set forth in 15 U.S.C. 1051 et seq. constitutes persuasive authority for interpreting and construing this chapter.