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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 ?
Whereas the efficient (non-dominated) combinations of attack methods that are computed using the quadratic programming techniques (see Phillips (2009)) are a convex set in expected payoff-variance space, the steps taken in the analysis presented above generate an equilibrium relationship that may be depicted geometrically as a straight line in expected payoff-Beta space.
One of the first security codes was probably the combination lock, which dates back to the Roman Empire.
Other type D combinations included five cases of patients taking simvastatin along with a calcium channel blocker, which increases the risk of rhabdomyolysis.
Fixed-dose combinations of antihypertensives may be more efficacious than combining single agents and could lower overall health care costs, Dr.
Particular codon combinations affected how well the cells pumped out different cancer drugs, the researchers found.
Hostanox PAR24 triphenyl phosphite secondary antioxidant offered alone or blended with Hostanox 010 and 016 as synergistic combinations of processing stabilization of polyolefins.
The proposed statement applies to all business combinations other than those involving not-for-profit organizations.
In 2003 researchers stopped a clinical trial abruptly when they found that a combination of three drugs that seemed likely to work well together failed to control the virus in many patients, and led to a very high rate of viral resistance; a comparison regimen that used efavirenz instead of the tenofovir worked well.
to develop a fixed-dose combination of three HIV medicines.
With the variety of scrap handling attachments available, selecting the proper combination of tools to service a yard may not be as straightforward as choosing between a grapple and a lifting magnet.
FDA issued a draft guidance on fixed-dose combinations and co-packaged drugs for HIV outlining a streamlined application process intended to simplify the approval process.
Over the 31 years that I have been blessed to work in this industry, there have been many experiences where performance chemicals worked both additively and negatively when applied in combination.