Daubert v. Merrell Dow Pharmaceuticals, Inc.
Daubert et ux., Individually and as Guardians ad Litem for Daubert, et al. v. Merrell Dow Pharmaceuticals, Inc.
- Court
- Supreme Court of the United States (U.S. Supreme Court)
- Decided
- 1993
- Citation
- 509 U.S. 579 (1993)
- Standard applied
- FRE 702 — reliability and fit, judge as gatekeeper
What the court held
The Court held that Frye's "general acceptance" test did not survive the Federal Rules of Evidence and is not a precondition to admitting scientific expert testimony in federal court. Rule 702 instead requires the trial judge to ensure that an expert's testimony rests on a reliable foundation and is relevant to the task at hand. The judgment below, which had turned almost entirely on general acceptance, was vacated and remanded.
Why
Nothing in the text or drafting history of Rule 702 makes general acceptance an absolute prerequisite, and the Court read a rigid version of that requirement as incompatible with the liberal thrust of the Rules. In its place the Court described a flexible reliability inquiry, illustrated by factors including testability, peer review and publication, known or potential error rate, and the degree of acceptance in the relevant community. The Court answered the objection that this would produce a free-for-all by pointing to cross-examination, careful instruction on the burden of proof, and the conventional devices of summary judgment and directed verdict.
““General acceptance” is not a necessary precondition to the admissibility of scientific evidence under the Federal Rules of Evidence, but the Rules of Evidence—especially Rule 702—do assign to the trial judge the task of ensuring that an expert’s testimony both rests on a reliable foundation and is relevant to the task at hand.”
Our reading — not the court’s words
Why this matters in practice
This is the foundation every federal challenge to a forensic examiner is built on, and the part practitioners most often under-read is that general acceptance survived Daubert as a factor rather than a gate. A tool being standard in the industry is evidence of reliability, not a substitute for showing it. Read together with Joiner and Kumho, Daubert also explains why so many digital-forensics rulings are unreviewable in practice: the appellate standard is abuse of discretion, so the hearing in front of the trial judge is usually the only real contest.
This paragraph is Legal Cyber Academy’s editorial assessment of the decision’s practical importance. The court said none of it. For what the court actually said, read the opinion.
Additional detail
Tags: Rule 702 · gatekeeping · reliability
Cited 21,736times in CourtListener’s corpus at the time this entry was compiled. Treat it as a rough measure of influence, not of correctness.
Other decisions on expert admissibility
- Kumho Tire Co. v. CarmichaelSupreme Court of the United States · 1999The trial judge's gatekeeping obligation under Rule 702 is not confined to “scientific” testimony; it applies to all expert testimony, including testimony resti…
- General Electric Co. v. JoinerSupreme Court of the United States · 1997A decision to admit or exclude expert testimony is reviewed for abuse of discretion, not under any more stringent standard because the ruling is outcome-determi…
- Frye v. United StatesCourt of Appeals for the D.C. Circuit · 1923Expert testimony deduced from a scientific principle is admissible only where the principle from which the deduction is made has gained general acceptance in th…
- United States v. UlbrichtCourt of Appeals for the Second Circuit · 2017The Second Circuit affirmed the exclusion of both of the defendant's proposed expert witnesses in the Silk Road prosecution because his expert notices were unti…
- Lorraine v. Markel American Insurance Co.District Court, D. Maryland · 2007Neither party's electronic exhibits could be considered because none was authenticated: e-mails were simply attached to the motions rather than supported by aff…
- Commonwealth v. NevelsSuperior Court of Pennsylvania · 2019The Superior Court affirmed the judgment of sentence, upholding the trial court's decision to admit an FBI agent's expert testimony on historical cell-site anal…
Summarised from the opinion as retrieved from CourtListener. Reference material, not legal advice. Back to the repository.