MacPherson v. Buick Motor Co.
MacPherson v. Buick Motor Co., 217 N.Y. 382, 111 N.E. 1050 (1916) is a famous New York Court of Appeals opinion by Judge Benjamin N. Cardozo that removed the requirement of privity of contract for duty in negligence actions.
Source: Wikipedia — MacPherson v. Buick Motor Co. (CC BY-SA 4.0)