Bill

Biosimilar medicines

Concerning biosimilar medicines. (REVISED FOR ENGROSSED: Concerning biosimilar medicines and interchangeable biological products.)

Sponsors

Senator HarrisPrimary

Senator ClevelandSecondarySenator HasegawaSecondarySenator ShewmakeSecondary

Official bill summary on app.leg.wa.gov →

Current status: By resolution, returned to Senate Rules Committee for third reading.

1. Jan 26, 2026
   First reading, referred to Health Care & Wellness.
2. Jan 21, 2026
   Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0.
3. Mar 13, 2025
   First reading, referred to Health Care & Wellness.
4. Mar 11, 2025
   Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0.
5. Jan 30, 2025
   First reading, referred to Health & Long-Term Care.