Definitions from Black's Law Dictionary: 2nd Edition and Ballentine's Law Dictionary as are available for each term in each dictionary.
  • Black's Law Dictionary: 2nd Edition

    In economics. The combined action of numbers. It is of two distinct kinds:
    (1) Such co-operation as takes place when several persons help each other in the same employment;
    (2) such co-operation as takes place when several persons help each other in different employments. These may be termed "simple co-operation" and "complex co-operation." Mill, Pol. Ec. 142. In patent law. Unity of action to a common end or a common result, not merely joint or simultaneous action. Boynton Ch v. Morris Chute Co. (C. Ct) 82. Fed. 444; Fastener Co. v. Webb (C. C.) 89 Fed. 987; Hoimes, etc., Tel. Co. v. Domestic, etc., Tel. Co. (C. Ct) 42 Fed. 227.