Concerning biosimilar medicines.

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Engrossed Substitute Bill — · 2.5K words Open full page ↗

ENGROSSED SUBSTITUTE SENATE BILL 5594

State of Washington

69th Legislature

2025 Regular Session

By Senate Health & Long-Term Care (originally sponsored by Senators Harris, Cleveland, Hasegawa, and Shewmake)

READ FIRST TIME 02/19/25.

AN ACT Relating to reducing prescription drug costs by eliminating barriers impeding access to biosimilar medicines and interchangeable biological products; and amending RCW 48.43.420 , 41.05.410 , 69.41.120 , and 69.41.125 .

BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF WASHINGTON:

Sec. 1. RCW 48.43.420 and 2019 c 171 s 3 are each amended to read as follows:

For health plans delivered, issued for delivery, or renewed on or after January 1, 2021:

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PASSAGE PROBABILITY

21% Unlikely

Why this number

Stage base Reported from Committee — base rate 42%, measured from WA's completed sessions
Momentum +1 54/100 from the pace of recorded action
Time since last action -22 212 days quiet

A transparent scoring model over stage, momentum, recency, sponsorship and recorded votes — not a trained predictor. Treat it as a way to rank attention, not as a forecast.