Washington · 2025–26 Regular Sessions · Bill

SB 5594: Biosimilar medicines

Passed one chamber Last action March 12, 2026: By resolution, returned to Senate Rules Committee for third reading.

Plain-language summary

SB 5594 is a bill introduced in the Washington Senate on January 30, 2025. According to its official title, it concerns: Concerning biosimilar medicines. (REVISED FOR ENGROSSED: Concerning biosimilar medicines and interchangeable biological products.). Primary sponsor: Paul Harris (R). It lists 3 additional sponsors. Most recent recorded action (March 12, 2026): By resolution, returned to Senate Rules Committee for third reading.

Sponsors

Primary sponsor: Paul Harris (Republican). 3 co-sponsors.