Any prosecution brought under this chapter may be instituted in any county in which the defendant or any defendant resides, or in which the violation was committed, or in which the defendant or any defendant has his or her principal place of business.

Washington Code 15.24.010

Defendant: In a civil suit, the person complained against; in a criminal case, the person accused of the crime.

Jurisdiction: (1) The legal authority of a court to hear and decide a case. Concurrent jurisdiction exists when two courts have simultaneous responsibility for the same case. (2) The geographic area over which the court has authority to decide cases.

The superior courts are hereby vested with jurisdiction to enforce the provisions of this chapter and the rules and regulations of the commission issued hereunder, and to prevent and restrain violations thereof.