Wisconsin · 2025-2026 Regular Session · Bill

AB 458: Relating to: admissibility of expert witness testimony.

Did not advance Last action March 23, 2026: Failed to pass pursuant to Senate Joint Resolution 1

Plain-language summary

AB 458 is a bill introduced in the Wisconsin House on September 26, 2025. According to its official title, it concerns: Relating to: admissibility of expert witness testimony. Primary sponsor: Brent Jacobson (Republican), Rob Kreibich (Republican), Clint Moses (Republican), Dave Murphy (Republican), Jeff Mursau (Republican), Jerry O'Connor (Republican), Will Penterman (Republican), Jim Piwowarczyk (Republican), Paul Tittl (Republican), Nancy VanderMeer (Republican), Bob Wittke (Republican), Cindi Duchow (Republican). It lists 4 additional sponsors. Most recent recorded action (March 23, 2026): Failed to pass pursuant to Senate Joint Resolution 1.

Sponsors

Primary sponsors: Brent Jacobson (Republican); Rob Kreibich (Republican); Clint Moses (Republican); Dave Murphy (Republican); and 8 more. 4 co-sponsors.