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Federal Rules of Evidence
2023 Edition
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Article VII – Opinions and Expert Testimony
Article VII – Opinions and Expert Testimony
Rule 701. Opinion Testimony by Lay Witnesses
Rule 702. Testimony by Expert Witnesses
Rule 703. Bases of an Expert’s Opinion Testimony
Rule 704. Opinion on an Ultimate Issue
Rule 705. Disclosing the Facts or Data Underlying an Expert’s Opinion
Rule 706. Court-Appointed Expert Witnesses