Bill Commons

WI AB 458

dead

Relating to: admissibility of expert witness testimony.

Wisconsin · 2025-2026 Regular Session · lower

Quick answers

Did WI AB 458 pass?

No. WI AB 458 did not pass — it was defeated or died in the legislative process (2026-03-23). Latest recorded action (2026-03-23): Failed to pass pursuant to Senate Joint Resolution 1

What is WI AB 458 about?

WI AB 458 is a bill in the 2025-2026 Regular Session titled “Relating to: admissibility of expert witness testimony.”.

Who sponsors WI AB 458?

Duchow, Wittke, VanderMeer and 9 others are the primary sponsors of WI AB 458.

Introduced
2025-09-26
Latest action
2026-03-23 — Failed to pass pursuant to Senate Joint Resolution 1
Bill type
bill
Last updated
—

Sponsors

  • Duchowprimary
  • Wittkeprimary
  • VanderMeerprimary
  • Tittlprimary
  • Piwowarczykprimary
  • Pentermanprimary
  • O'Connorprimary
  • Mursauprimary
  • Murphyprimary
  • Mosesprimary
  • Kreibichprimary
  • B. Jacobsonprimary

Committees

Not provided by source.

Action timeline

  1. 2025-09-26

    Introduced by Representatives B. Jacobson, Kreibich, Moses, Murphy, Mursau, O'Connor, Penterman, Piwowarczyk, Tittl, VanderMeer, Wittke and Duchow; cosponsored by Senators Wanggaard, Feyen, Marklein and Wimberger

    introduction

  2. 2025-09-26

    Read first time and referred to Committee on Judiciary

    reading-1,referral-committee

  3. 2025-11-05

    Public hearing held

  4. 2026-01-08

    Executive action taken

  5. 2026-01-14

    Report passage recommended by Committee on Judiciary, Ayes 8, Noes 0

    committee-passage-favorable

  6. 2026-01-14

    Referred to committee on Rules

    referral-committee

  7. 2026-01-20

    Placed on calendar 1-22-2026 by Committee on Rules

  8. 2026-01-22

    Laid on the table

    deferral

  9. 2026-03-23

    Failed to pass pursuant to Senate Joint Resolution 1

    failure

Versions

Documents

Votes

  • Report passage recommended by Committee on Judiciary, Ayes 8, Noes 0

    2026-01-14 · pass · 8-0

Related bills

No related bills recorded for this bill.

Official source

https://docs.legis.wisconsin.gov/2025/proposals/reg/asm/bill/ab458

Attribution

Data from openstates_bulk_csv, retrieved 2026-07-24T05:37:42.962855Z

Inspect retained evidence for changes recorded after evidence tracking began:

Source and document changesStatus and relationship changes

Use this data

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