Nathan A. Schachtman

Nathan A. Schachtman is a Lecturer-in-Law at Columbia Law School. His legal practice focuses on scientific evidence in products liability, environmental, and other litigation. He has served as national coordinating, multi-district, trial, and appellate counsel in product liability, pharmaceutical, occupational disease, and environmental cases. Mr. Schachtman has lectured and published widely on expert evidence issues. His interests include access to underlying research data, medico-legal causation and screenings, the reliability and admissibility of scientific proofs, and historian expert testimony. He is an elected member of the American Law Institute. Nathan earned an A.B. from Rutgers College in philosophy and biology, and a J.D. (with high honors) from Rutgers School of Law, where he was the Articles Editor of the Rutgers Law Journal, and a teaching assistant for the research and writing program. After law school, he clerked for the late Hon. H. Emory Widener, Jr., of the U.S. Court of Appeals for the Fourth Circuit (1982 - 1983). This post was originally published at his blog:

Guest Post: Confidence in Intervals and Diffidence in the Courts

This guest post comes to the STLR Blog from CLS Lecturer-in-Law Nathan A. Schachtman. He blogs regularly at This post was originally published at that site and is available here. Next year, the Supreme Court’s Daubert decision will turn 20.  The decision, in interpreting Federal Rule of Evidence 702, dramatically changed the landscape of expert witness [...]