WA Leg - SB 5594 Concerning biosimilar medicines. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False 01 - January 30, 2025 - First reading, referred to Health & Long-Term Care. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Thu, 30 Jan 2025 00:00:00 -0800 01-January30,2025-Firstreading,referredtoHealth&Long-TermCare. 02 - February 11, 2025 - Public hearing in the Senate Committee on Health & Long-Term Care at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 11 Feb 2025 00:00:00 -0800 02-February11,2025-PublichearingintheSenateCommitteeonHealth&Long-TermCareat10:30AM. 03 - February 18, 2025 - Executive action taken in the Senate Committee on Health & Long-Term Care at 10:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 18 Feb 2025 00:00:00 -0800 03-February18,2025-ExecutiveactiontakenintheSenateCommitteeonHealth&Long-TermCareat10:30AM. 04 - February 18, 2025 - HLTC - Majority; 1st substitute bill be substituted, do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 18 Feb 2025 00:00:00 -0800 04-February18,2025-HLTC-Majority;1stsubstitutebillbesubstituted,dopass. 05 - February 19, 2025 - Passed to Rules Committee for second reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 19 Feb 2025 00:00:00 -0800 05-February19,2025-PassedtoRulesCommitteeforsecondreading. 06 - March 5, 2025 - Placed on second reading by Rules Committee. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 05 Mar 2025 00:00:00 -0800 06-March5,2025-PlacedonsecondreadingbyRulesCommittee. 07 - March 11, 2025 - 1st substitute bill substituted (HLTC 25). https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 11 Mar 2025 00:00:00 -0700 07-March11,2025-1stsubstitutebillsubstituted(HLTC25). 08 - March 11, 2025 - Floor amendment(s) adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 11 Mar 2025 00:00:00 -0700 08-March11,2025-Flooramendment(s)adopted. 09 - March 11, 2025 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 11 Mar 2025 00:00:00 -0700 09-March11,2025-Rulessuspended.PlacedonThirdReading. 10 - March 11, 2025 - Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 11 Mar 2025 00:00:00 -0700 10-March11,2025-Thirdreading,passed;yeas,49;nays,0;absent,0;excused,0. 11 - March 13, 2025 - First reading, referred to Health Care & Wellness. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Thu, 13 Mar 2025 00:00:00 -0700 11-March13,2025-Firstreading,referredtoHealthCare&Wellness. 12 - March 26, 2025 - Public hearing in the House Committee on Health Care & Wellness at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 26 Mar 2025 00:00:00 -0700 12-March26,2025-PublichearingintheHouseCommitteeonHealthCare&Wellnessat1:30PM. 13 - April 1, 2025 - Executive session scheduled, but no action was taken in the House Committee on Health Care & Wellness at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 01 Apr 2025 00:00:00 -0700 13-April1,2025-Executivesessionscheduled,butnoactionwastakenintheHouseCommitteeonHealthCare&Wellnessat1:30PM. 14 - April 27, 2025 - By resolution, returned to Senate Rules Committee for third reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Sun, 27 Apr 2025 00:00:00 -0700 14-April27,2025-Byresolution,returnedtoSenateRulesCommitteeforthirdreading. 15 - January 12, 2026 - By resolution, reintroduced and retained in present status. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Mon, 12 Jan 2026 00:00:00 -0800 15-January12,2026-Byresolution,reintroducedandretainedinpresentstatus. 16 - January 19, 2026 - Rules Committee relieved of further consideration. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Mon, 19 Jan 2026 00:00:00 -0800 16-January19,2026-RulesCommitteerelievedoffurtherconsideration. 17 - January 19, 2026 - Placed on third reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Mon, 19 Jan 2026 00:00:00 -0800 17-January19,2026-Placedonthirdreading. 18 - January 21, 2026 - Rules suspended. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 21 Jan 2026 00:00:00 -0800 18-January21,2026-Rulessuspended. 19 - January 21, 2026 - Returned to second reading for amendment. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 21 Jan 2026 00:00:00 -0800 19-January21,2026-Returnedtosecondreadingforamendment. 20 - January 21, 2026 - Floor amendment(s) adopted. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 21 Jan 2026 00:00:00 -0800 20-January21,2026-Flooramendment(s)adopted. 21 - January 21, 2026 - Rules suspended. Placed on Third Reading. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 21 Jan 2026 00:00:00 -0800 21-January21,2026-Rulessuspended.PlacedonThirdReading. 22 - January 21, 2026 - Third reading, passed; yeas, 49; nays, 0; absent, 0; excused, 0. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 21 Jan 2026 00:00:00 -0800 22-January21,2026-Thirdreading,passed;yeas,49;nays,0;absent,0;excused,0. 23 - January 26, 2026 - First reading, referred to Health Care & Wellness. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Mon, 26 Jan 2026 00:00:00 -0800 23-January26,2026-Firstreading,referredtoHealthCare&Wellness. 24 - February 10, 2026 - Public hearing in the House Committee on Health Care & Wellness at 8:30 AM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Tue, 10 Feb 2026 00:00:00 -0800 24-February10,2026-PublichearingintheHouseCommitteeonHealthCare&Wellnessat8:30AM. 25 - February 25, 2026 - Executive action taken in the House Committee on Health Care & Wellness at 1:30 PM. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 25 Feb 2026 00:00:00 -0800 25-February25,2026-ExecutiveactiontakenintheHouseCommitteeonHealthCare&Wellnessat1:30PM. 26 - February 25, 2026 - HCW - Majority; do pass. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 25 Feb 2026 00:00:00 -0800 26-February25,2026-HCW-Majority;dopass. 27 - February 25, 2026 - Referred to Rules 2 Review. https://app.leg.wa.gov/billsummary?Year=2025&BillNumber=5594&Initiative=False Bill Description - Concerning biosimilar medicines. Wed, 25 Feb 2026 00:00:00 -0800 27-February25,2026-ReferredtoRules2Review.