SB 918 MO
SB 918 - This act makes changes to the provision regarding admissibility of expert testimony to mirror the Federal Rules of Evidence. Specifically, expert testimony may not be admitted unless the proponent demonstrates to the court that it is more likely than not that the proffered testimony meets the knowledge, testimony, and reliability requirements. Furthermore, this act modifies the reliability requirement by providing that the expert's opinion reflects a reliable application of, rather than the expert has reliably applied, the principles and methods to the facts of the case. This act is identical to SB 1309 (2026), HB 2255 (2026), SB 238 (2025), HB 263 (2025), and a provision in SB 313 (2025). KATIE O'BRIEN
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Summary
This act modifies Missouri's rules regarding the admissibility of expert testimony to align with the Federal Rules of Evidence. Under the act, expert testimony may not be admitted in court unless the party offering the testimony demonstrates to the court that it is more likely than not that the testimony meets the requirements for knowledge, testimony, and reliability. The act also modifies the reliability requirement so that it focuses on whether the expert's opinion reflects a reliable application of principles and methods to the facts of the case, rather than whether the expert has reliably applied those principles and methods.
AI-generated plain-language summary of the bill (from the OpenStates abstract — no full text available yet) — neutral, and may be imperfect.
Official abstract
SB 918 - This act makes changes to the provision regarding admissibility of expert testimony to mirror the Federal Rules of Evidence. Specifically, expert testimony may not be admitted unless the proponent demonstrates to the court that it is more likely than not that the proffered testimony meets the knowledge, testimony, and reliability requirements. Furthermore, this act modifies the reliability requirement by providing that the expert's opinion reflects a reliable application of, rather than the expert has reliably applied, the principles and methods to the facts of the case. This act is identical to SB 1309 (2026), HB 2255 (2026), SB 238 (2025), HB 263 (2025), and a provision in SB 313 (2025). KATIE O'BRIEN
Sponsor (1)
- Burger, Jamie Republican · primary
Action history (8)
- May 15, 2026 Informal Calendar S Bills for Perfection · upper
- Mar 11, 2026 Bill Placed on Informal Calendar · upper
- Feb 26, 2026 Reported from S General Laws Committee · upper
- Jan 21, 2026 Voted Do Pass S General Laws Committee · upper
- Jan 14, 2026 Hearing Conducted S General Laws Committee · upper
- Jan 8, 2026 Second Read and Referred S General Laws Committee · upper
- Jan 7, 2026 S First Read · upper
- Dec 1, 2025 Prefiled · upper
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