US · rules
Fed. R. Evid. 702
Testimony by Expert Witnesses
A witness who is qualified as an expert by knowledge, skill, experience, training, or education may testify in the form of an
opinion or otherwise if the proponent demonstrates to the court
that it is more likely than not that:
16 Rule 703 FEDERAL RULES OF EVIDENCE
(a) the expert’s scientific, technical, or other specialized
knowledge will help the trier of fact to understand the evidence or to determine a fact in issue;
(b) the testimony is based on sufficient facts or data;
(c) the testimony is the product of reliable principles and
methods; and
(d) the expert’s opinion reflects a reliable application of the
principles and methods to the facts of the case.
(As amended Apr. 17, 2000, eff. Dec. 1, 2000; Apr. 26, 2011, eff. Dec.
1, 2011; Apr. 24, 2023, eff. Dec. 1, 2023.)
Provenance
- Source
- uscourts.gov
- Retrieved
- 2026-08-19
- Edition
- 2026-08-19
- Content hash
2ed8f8ac14ebfc22cf9304ba457a3e1074e93512b97694576a83f9301d8af543
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