Challenges to an expert witness's qualifications go to the weight to be accorded the expert's views, not their admissibility. Experts need not be a specialist in a particular field if they have the knowledge necessary to opine on the issues presented. If the expert professes such knowledge, the issue of the expert's qualifications is for the fact-finder to determine.
Markman v. New York-Presbyt. Healthcare Sys, Inc., NY Slip Op 00976 (1st Dep't February 19, 2026)
