republic-os/legislation/us/states/mi/2025-2026/hb-4045.md

type, title, description, jurisdiction, legislature, session, identifier, citation, classification, subjects, status, primary_sponsors, version_count, action_count, vote_count, first_action, last_action, source, source_identifier, source_url, source_hash, vintage, source_snapshot, retrieved_at, confidence, tags

type	title	description	jurisdiction	legislature	session	identifier	citation	classification	subjects	status	primary_sponsors	version_count	action_count	vote_count	first_action	last_action	source	source_identifier	source_url	source_hash	vintage	source_snapshot	retrieved_at	confidence	tags
Bill	Civil procedure: civil actions; lawsuits for exercising rights to free expression; provide protections against. Creates new act.	Civil procedure: civil actions; lawsuits for exercising rights to free expression; provide protections against. Creates new act.	us/states/mi	Michigan Legislature	2025-2026	HB 4045	Michigan HB 4045 (2025-2026)	bill	Civil procedure: civil actions	enacted	Kara Hope	7	26	2	2025-01-30	2025-12-31	openstates	ocd-bill/466153a5-6ac0-4a17-b061-aecda47f1135	https://legislature.mi.gov/Bills/Bill?ObjectName=2025-HB-4045	924dfbc125deb86ef3ea64351ad3fb364ea6a640bf19dc2925125c47cb2594a2	2026-07-01	https://data.openstates.org/daily/2026-07-01/public.pgdump	2026-07-06	reported	legislation bill us-mi

Michigan HB 4045 (2025-2026) — Civil procedure: civil actions; lawsuits for exercising rights to free expression; provide protections against. Creates new act.

Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. As Passed by the House (committee substitute) — source
2. As Passed by the Senate (committee substitute) — source
3. House Concurred Bill (committee substitute) — source
4. House Introduced Bill (committee substitute) — source
5. Public Act (committee substitute) — source
6. Substitute (H-1) (committee substitute) — source
7. Substitute (H-1) - 2 (committee substitute) — source

Votes

• PASSED ROLL CALL # 347 YEAS 36 NAYS 0 EXCUSED 1 NOT VOTING 0 — 36–0 (pass) · upper
• passed; given immediate effect Roll Call #262 Yeas 103 Nays 0 Excused 0 Not Voting 7 — 103–0 (pass) · lower

Sponsors

• Kara Hope — primary (person)
• Carrie Rheingans — cosponsor (person)
• Erin Byrnes — cosponsor (person)
• Jason Hoskins — cosponsor (person)
• Jason Morgan — cosponsor (person)
• Jasper Martus — cosponsor (person)
• Jennifer Conlin — cosponsor (person)
• Jimmie Wilson — cosponsor (person)
• Julie Brixie — cosponsor (person)
• Julie Rogers — cosponsor (person)
• Kelly Breen — cosponsor (person)
• Matt Longjohn — cosponsor (person)

Timeline

The legislative action history — every referral, reading, and vote.

• 2025-01-30 introduced by Representative Rep. Kara Hope introduction
• 2025-01-30 read a first time reading-1
• 2025-01-30 referred to Committee on Judiciary referral-committee
• 2025-02-04 bill electronically reproduced 01/30/2025
• 2025-04-16 reported with recommendation with substitute (H-1) committee-passage
• 2025-04-16 referred to second reading
• 2025-10-21 read a second time reading-2
• 2025-10-21 substitute (H-1) adopted
• 2025-10-21 placed on third reading
• 2025-10-22 read a third time reading-3
• 2025-10-22 passed; given immediate effect Roll Call #262 Yeas 103 Nays 0 Excused 0 Not Voting 7 passage
• 2025-10-22 transmitted
• 2025-10-28 PASSED BY HOUSE WITH IMMEDIATE EFFECT passage
• 2025-10-28 REFERRED TO COMMITTEE ON CIVIL RIGHTS, JUDICIARY, AND PUBLIC SAFETY referral-committee
• 2025-12-11 REPORTED FAVORABLY WITHOUT AMENDMENT 12/10/2025 committee-passage
• 2025-12-11 REFERRED TO COMMITTEE OF THE WHOLE referral-committee
• 2025-12-16 REPORTED BY COMMITTEE OF THE WHOLE FAVORABLY WITHOUT AMENDMENT(S) committee-passage
• 2025-12-16 PLACED ON ORDER OF THIRD READING
• 2025-12-18 PASSED ROLL CALL # 347 YEAS 36 NAYS 0 EXCUSED 1 NOT VOTING 0 passage
• 2025-12-18 RETURNED TO HOUSE
• 2025-12-18 returned from Senate without amendment
• 2025-12-18 bill ordered enrolled
• 2025-12-23 presented to the Governor 12/22/2025 01:40 PM executive-receipt
• 2025-12-31 approved by the Governor 12/23/2025 10:26 AM executive-signature
• 2025-12-31 filed with Secretary of State 12/23/2025 11:56 AM
• 2025-12-31 assigned PA 52'25

Source

OpenStates / OpenCivicData bulk snapshot 2026-07-01; origin ocd-bill/466153a5-6ac0-4a17-b061-aecda47f1135. Confidence: reported (aggregated from official Michigan legislature records).