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Wisconsin · 2025-2026 Regular Session · Bill

AB 431: Relating to: special motions to strike strategic lawsuits against public participation. (FE)

Did not advance Official data

  1. Introduced
  2. In committee
  3. Passed one chamber
  4. Passed both chambers
  5. Enacted
  6. Did not advance

Last official action: ·Record last updated:

Plain-language summary

AB 431 is a bill introduced in the Wisconsin House on September 15, 2025. According to its official title, it concerns: Relating to: special motions to strike strategic lawsuits against public participation. (FE). Primary sponsor: Christian Phelps (Democratic), Alex Joers (Democratic), Deb Andraca (Democratic), Clint Anderson (Democratic), Margaret Arney (Democratic), Mike Bare (Democratic), Ryan Clancy (Democratic), Darrin Madison (Democratic), Lori Palmeri (Democratic), Amaad Rivera-Wagner (Democratic), Lee Snodgrass (Democratic), Shelia Stubbs (Democratic), Angelito Tenorio (Democratic), Randy Udell (Democratic). It lists 7 additional sponsors. Most recent recorded action (March 23, 2026): Failed to pass pursuant to Senate Joint Resolution 1.

Generated automatically from the official title, sponsor list, and status record only. It does not characterize the bill’s purpose or effects. How summaries are written

Sponsors

Sponsors by party (alphabetical): Democratic 21

NameRolePartyChamberDistrict
Christian PhelpsPrimary sponsorDemocraticHouse93
Alex JoersPrimary sponsorDemocraticHouse81
Deb AndracaPrimary sponsorDemocraticHouse23
Clint AndersonPrimary sponsorDemocraticHouse45
Margaret ArneyPrimary sponsorDemocraticHouse18
Mike BarePrimary sponsorDemocraticHouse80
Ryan ClancyPrimary sponsorDemocraticHouse19
Darrin MadisonPrimary sponsorDemocraticHouse10
Lori PalmeriPrimary sponsorDemocraticHouse54
Amaad Rivera-WagnerPrimary sponsorDemocraticHouse90
Lee SnodgrassPrimary sponsorDemocraticHouse52
Shelia StubbsPrimary sponsorDemocraticHouse78
Angelito TenorioPrimary sponsorDemocraticHouse14
Randy UdellPrimary sponsorDemocraticHouse47
Kristin Dassler-AlfheimCo-sponsorDemocraticSenate18
Dianne HesselbeinCo-sponsorDemocraticSenate27
Sarah KeyeskiCo-sponsorDemocraticSenate14
Chris LarsonCo-sponsorDemocraticSenate7
Melissa RatcliffCo-sponsorDemocraticSenate16
Kelda RoysCo-sponsorDemocraticSenate26
Mark SpreitzerCo-sponsorDemocraticSenate15

“Support” is shown only as formal sponsorship recorded by the legislature. Roll-call votes are available on the official bill page.

Recent official actions

  1. Failed to pass pursuant to Senate Joint Resolution 1
  2. Representative Roe added as a coauthor
  3. Representative J. Jacobson added as a coauthor
  4. Representative Vining added as a coauthor
  5. Representative Sinicki added as a coauthor
  6. Read first time and referred to Committee on Judiciary
  7. Introduced by Representatives Phelps, Joers, Andraca, Anderson, Arney, Bare, Clancy, Madison, Palmeri, Rivera-Wagner, Snodgrass, Stubbs, Tenorio and Udell; cosponsored by Senators Roys, Larson, Dassler-Alfheim, Hesselbein, Keyeski, Ratcliff and Spreitzer

Sources

  1. Open States / Plural (data from the official legislature website)
  2. Official legislature source