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United States Leading Case opinion and expert evidence

Daubert v Merrell Dow Pharmaceuticals Inc

509 U.S. 579 (1993)
JurisdictionUnited States
CourtUS Supreme Court
Year1993
StatusBinding authority

Summary

Federal trial judges act as gatekeepers for expert testimony, assessing reliability by reference to testability, peer review, error rate, and general acceptance.

Key Principle

gatekeeper role; factors for reliability (testable, peer review, error rate, acceptance)

Area of Law

Expert Evidence

Related Cases

Kumho Tire Co v Carmichael 526 U.S. 137 (1999)

The Daubert gatekeeping obligation applies to all expert testimony, not only scientific evidence, under Federal Rule of Evidence 702.

Inc. v. Estados Unidos Mexicanos 605 U. S. 280 (2025)
Loper Bright Enterprises v Raimondo 603 U.S. ___ (2024)

Chevron U.S.A. v NRDC overruled; courts must independently interpret statutes and may not defer to agency interpretations solely because of statutory ambiguity.

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