Plaintiff may use pseudonym.

RCW 7.113.040
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
In an action under this chapter, a plaintiff may proceed using a pseudonym in place of the true name of the plaintiff under applicable state law or procedural rules. In an action under this chapter, a plaintiff may proceed using a pseudonym in place of the true name of the plaintiff under applicable state law or procedural rules.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=7.113&full=trueFetched: 6/28/2026

Starting a business in Washington? Washington LLC guide: costs and requirements