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HB 437

EVIDENCE: Provides relative to expert witness fees

2026 Regular Session Introduced by Stephanie Berault and 1 co-sponsor

HB 437 bars experts with a financial stake in a case from testifying and requires disclosure of their past cases and compensation to increase transparency.

Read second time by title and referred to the Committee on Judiciary A.
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Bill Summary · HB 437

Legislative Bill Summary – HB 437 (Louisiana, 2026)

Title

EVIDENCE: Provides relative to expert witness fees

Purpose and Intent

HB 437 aims to tighten oversight of expert witnesses by addressing pecuniary interests in cases. The bill would prohibit an individual who has a pecuniary interest in the outcome of a case from being qualified as an expert witness. It also expands disclosure requirements related to an expert’s past cases and financial interests.

Key Provisions

1) Expert Qualification Rule Change

  • New prohibition (C.E. Art. 702(C)): A witness with a pecuniary interest in the outcome of the case shall not be qualified as an expert. This is intended to prevent biased or financially conflicted individuals from serving as expert witnesses.

2) Definition of Pecuniary Interest

  • New definition (C.E. Art. 702(D)): The bill defines “pecuniary interest” to clarify what financial connections disqualify an expert witness. (Exact language to be determined by final text, but the intent is to include financial compensation or potential financial gain tied to the case outcome.)

3) Expert Report Procedures (Existing Law Retained)

  • Remains within C.C.P. Art. 1425(B): The current framework for expert reports continues:
    • Upon a contradictory motion or the court’s own motion, courts may order each party that has retained an expert to provide a written report prepared and signed by the expert.
    • Parties, by agreement or by court order, must include specified provisions in the expert report.

4) Expanded Disclosure Requirements

  • New disclosure in expert reports: In addition to existing disclosures, the report must disclose past cases in which the expert held a pecuniary interest in the outcome. This disclosure should include:
    • The name of the case
    • The nature and value of the compensation
  • The purpose is to enhance transparency about potential conflicts of interest.

5) Administrative/Procedural Notes

  • Amendments filed: House Committee amendments were added to the original bill. One amendment clarifies language by inserting the exception related to criminal, traffic, or juvenile proceedings, indicating that the pecuniary-interest disqualification may not apply in those specific contexts (subject to final bill language).
  • Effective date and applicability: The bill text does not specify an immediate effective date in the provided excerpt. Typically, such amendments become effective on a future date or upon passage; final language will determine the timeline for when these provisions apply to cases.

Who/What Would Be Affected

  • Expert witnesses: Those who may be retained to provide opinions or testimony in legal proceedings. The bill would disqualify individuals with a pecuniary interest in the case from serving as experts.
  • Litigants and counsel: Parties retaining experts would face enhanced vetting and disclosure requirements, ensuring experts disclose financial interests and past compensated cases.
  • Courts: Trial judges and procedural officers would apply the new rule when determining expert qualification and review the expanded disclosure in expert reports.

Potential Impact

  • Ethical and transparency improvements: By barring conflicted experts and mandating disclosure of pecuniary interests, the bill aims to reduce bias and improve the integrity of expert testimony.
  • Case management considerations: Additional disclosures may require more detailed preparation of expert reports and could influence the credibility assessment of expert testimony.
  • Timing considerations: If adopted, the changes would affect both pending and future cases once the statute takes effect, with potential transitional considerations as to ongoing proceedings.

Summary

HB 437 substantive aim is to prevent experts with financial interests in case outcomes from testifying and to require thorough disclosure of such interests and related compensation in expert reports. It preserves existing procedures for expert reports but expands transparency around conflicts of interest. The bill has an amendment clarifying an exception related to criminal, traffic, or juvenile proceedings as applied in the language, pending final enactment.

Compiled from official sources — confirm details with the bill’s official record.

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