Wisconsin 2025 Regular Session Status: Introduced 16 R cosponsors

AB 400 — Relating to: a civil cause of action for a minor injured by a gender transition procedure.

Last action — Failed to pass pursuant to Senate Joint Resolution 1

  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed Assembly
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the Assembly. Introduced August 29, 2025. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Advancing 38% · moderate confidence

  • Introduced

    Current position in the legislative process.

  • 20 sponsors

    1 primary, 19 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (16 R).

  • Cleared a recorded vote

    Passed 1 recorded vote so far.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

An Act to create 895.039 of the statutes;

Bill Text

Action History

  1. Failed to pass pursuant to Senate Joint Resolution 1

  2. Laid on the table

  3. Assembly Amendment 1 offered by Representative Nedweski

  4. Placed on calendar 2-12-2026 by Committee on Rules

  5. Referred to committee on Rules

  6. Report passage recommended by Committee on Judiciary, Ayes 5, Noes 3

  7. Executive action taken

  8. Public hearing held

  9. Read first time and referred to Committee on Judiciary

  10. Introduced by Representatives Nedweski, Steffen, Allen, Behnke, Brill, Dittrich, Green, Knodl, Kreibich, Maxey, Murphy, Mursau, O'Connor, Penterman, Piwowarczyk and Wichgers; cosponsored by Senators Hutton, Kapenga, Bradley and Nass

Sponsors

Sponsorship breakdown

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1 sponsors · 19 co-sponsors · 112 not signed on

Sponsors (1)

Co-sponsors (19)

Not signed on (112)

112 members have not signed on to this bill.

Show all 112 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

Subjects

public-safety civil-rights healthcare
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does AB 400 do?
An Act to create 895.039 of the statutes;
Who sponsors AB 400?
AB 400 is sponsored by Hutton, Kapenga, Bradley, Nass, Nedweski, Amanda (Republican), Steffen, David (Republican), Allen, Scott (Republican), Behnke, Elijah (Republican), Brill, Lindee (Republican), Dittrich, Barbara (Republican), Green, Chanz (Republican), Knodl, Daniel (Republican), Kreibich, Rob (Republican), Maxey, Dave (Republican), Murphy, David (Republican), Mursau, Jeffrey (Republican), O'Connor, Jerry (Republican), Penterman, William (Republican), Piwowarczyk, Jim (Republican), and Wichgers, Chuck (Republican).
What is the current status of AB 400?
This bill has been introduced in the Assembly. Introduced August 29, 2025. It must pass committee before a floor vote.
Where can I track AB 400?
Track AB 400 free on One Click Politics — get push/email alerts when it moves.

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Last checked for changes 3 months ago · updated continuously

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