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In Criminal Law, an agreement between two or more people to act jointly for an unlawful purpose; a conspiracy. In patent law, the joining together of several separate inventions to produce a new invention.

An illegal combination in restraint of trade, defined under the Sherman Anti-Trust Act, is one in which the conspirators agree expressly or impliedly to use devices such as price-fixing agreements to eliminate competition in a certain locality, e.g., when a group of furniture manufacturers refuse to deliver goods to stores that sell their goods for under a certain price.

In patent law a combination is distinguishable from an aggregation in that it is a joint operation of elements that produces a new result as opposed to a mere grouping together of old elements. This is important in determining whether or not something is patentable, since no valid patent can extend to an aggregation.

West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.

COMBINATION. A union of different things. A patent may be taken out for a new combination of existing machinery, or machines. See 2 Mason, 112; and Composition of matter.
     2. By combination is understood, in a bad sense, a union of men for the purpose of violating the law.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
Despite their conceptual simplicity and their ability to overcome some shortcomings of the conventional methods of dependability, Markov graph is quickly confronted to the problem of combinative explosion in the number of states if the system is complex [5], [15], [16], [17], because the modelling process involves the enumeration of all possible states and all transitions between these states.
A new combinative distance-based assessment (CODAS) method for multi-criteria decisionmaking.
Caption: FIGURE 8: The schematic of diagram the pipe-soil and pipe-slurry combinative contact model [16].
In the decellularization process, chemical and enzymatic, physical, or combinative methods are utilized to remove cells and DNA from the tissue while preserving its structural and regulatory proteins.
Wei, "FDTD/TDPO hybrid approach for analysis of the EM scattering of combinative objects," Progress in Electromagnetics Research, vol.
To derive the experimental samples, Taguchi's [L.sub.27]([3.sup.13]) orthogonal array was adopted, and 27 combinative samples were obtained, as shown in Figure 5.
(1992) Knowledge of the firm, combinative capabilities, and the replication of technology, Organization Science, vol.