Practice point: Expert testimony has been found necessary when it helps to clarify an issue which calls for professional or technical knowledge, possessed by an expert and beyond the understanding of the typical juror.
Student note: The admissibility and scope of expert testimony is a determination within the discretion of the trial court.
Case: Christoforatos v. City of New York, NY Slip Op 09579 (2d Dept. 2011).
Tomorrow’s issue: Equitable estoppel.
