Commercial Litigation and Arbitration

December 27, 2007

As amended effective December 1, 2000, Federal Rule of Evidence 701 contemplates that lay witnesses may testify to opinions that are "(a) rationally based on the perception of the witness, (b) helpful to a clear understanding of the witness' testimony or the determination of a fact in issue, and (c) not based on scientific, technical, or other specialized knowledge ...
As amended effective December 1, 2000, Federal Rule of Evidence 701 contemplates that lay witnesses may testify to opinions that are “(a) rationally based on the perception of the witness, (b) helpful to a clear understanding of the witness’ testimony…

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