WI SB 459
enactedRelating to: admissibility of expert witness testimony.
Wisconsin · 2025-2026 Regular Session · upper
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Quick answers
Did WI SB 459 pass?
Yes. WI SB 459 has been enacted into law. Latest recorded action (2026-03-09): Published 3-7-2026
What is WI SB 459 about?
WI SB 459 is a bill in the 2025-2026 Regular Session titled “Relating to: admissibility of expert witness testimony.”.
Who sponsors WI SB 459?
Wimberger, Marklein, Feyen and 1 others are the primary sponsors of WI SB 459, joined by 12 cosponsors.
- Introduced
- 2025-10-02
- Latest action
- 2026-03-09 — Published 3-7-2026
- Bill type
- bill
- Last updated
- —
Sponsors
- Wimbergerprimary
- Markleinprimary
- Feyenprimary
- Wanggaardprimary
- B. Jacobsoncosponsor
- Kreibichcosponsor
- Mosescosponsor
- Murphycosponsor
- Mursaucosponsor
- O'Connorcosponsor
- Pentermancosponsor
- Piwowarczykcosponsor
- Tittlcosponsor
- VanderMeercosponsor
- Wittkecosponsor
- Duchowcosponsor
Committees
Not provided by source.
Action timeline
Newest first
2026-03-09
Published 3-7-2026
became-law
2026-03-09
Report approved by the Governor on 3-6-2026. 2025 Wisconsin Act 92
executive-signature
2026-03-05
Presented to the Governor on 3-5-2026
executive-receipt
2026-01-28
Report correctly enrolled
enrolled
2026-01-22
Received from Assembly concurred in
receipt
2026-01-22
Ordered immediately messaged
2026-01-22
Read a third time and concurred in
passage,reading-3
2026-01-22
Rules suspended
2026-01-22
Ordered to a third reading
reading-3
2026-01-22
Read a second time
reading-2
2026-01-22
Rules suspended to withdraw from calendar and take up
withdrawal
2026-01-20
Placed on calendar 1-22-2026 by Committee on Rules
2026-01-16
Read first time and referred to committee on Rules
reading-1,referral-committee
2025-11-19
Received from Senate
receipt
2025-11-18
Ordered immediately messaged
2025-11-18
Read a third time and passed
passage,reading-3
2025-11-18
Rules suspended to give bill its third reading
2025-11-18
Ordered to a third reading
reading-3
2025-11-18
Read a second time
reading-2
2025-11-14
Placed on calendar 11-18-2025 pursuant to Senate Rule 18(1)
2025-11-12
Available for scheduling
2025-11-12
Report passage recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0
committee-passage-favorable
2025-11-12
Executive action taken
2025-10-22
Public hearing held
2025-10-02
Read first time and referred to Committee on Judiciary and Public Safety
reading-1,referral-committee
2025-10-02
Introduced by Senators Wanggaard, Feyen, Marklein and Wimberger; cosponsored by Representatives B. Jacobson, Kreibich, Moses, Murphy, Mursau, O'Connor, Penterman, Piwowarczyk, Tittl, VanderMeer, Wittke and Duchow
introduction
Versions
Documents
Votes
Report passage recommended by Committee on Judiciary and Public Safety, Ayes 8, Noes 0
2025-11-12 · pass · 8-0
Related bills
No related bills recorded for this bill.
Official source
Attribution
Data from openstates_api_sync, retrieved 2026-11-01T16:39:11.167817Z
Inspect retained evidence for changes recorded after evidence tracking began:
Session-wide evidence can include changes to other bills:
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