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A copyright is a form of intellectual property that grants its holder the sole legal right copying their works of original expression, such as a literary work, movie, musical work or sound recording, painting, computer program, or industrial design, for a defined period of time.

Copyrights do not protect ideas or facts, however, but only the particular expression of an idea. A copyright on the cartoon character Mickey Mouse, for example, would not prevent others from creating talking mice, but only from too closely copying the character and traits of that talking mouse in particular.

Both copyrights and patents grant certain exclusive rights over their respective subject matter that are enforceable against everyone (with some exceptions, discussed below). This is in contrast to trademark protection, which is almost always only enforceable against competitors in the same product market, and only against certain limited commercial uses. Also in contrast to trademarks, copyright (and patent) protection is set for a limited, statutorily-defined number of years, during which the copyright owner does not actually have to make use of his work in order to keep others from doing so. After the term is up, the copyrighted work enters the public domain and is available for anyone to freely use as courts in the United States and the United Kingdom have rejected the doctrine of a common law copyright.

1 Background

1.1 Rights of copyright holder

A copyright holder typically has exclusive rights:

What is meant by the phrase "exclusive right" is that the copyright holder and only the copyright holder is allowed to do these things; everyone else is prohibited from doing them without the copyright holder's consent. Copyright is often called a "negative right", to stress that it has less to do with permitting people (e.g. authors) to do anything, and more to do with prohibiting people (e.g. readers, viewers, or listeners) from doing something: reproducing the copyrighted work. In this way it is similar to the Unregistered Design Right in English Law and European Law.

United States ConstitutionLaw for the United States of America The Constitution of the United States is the supreme law of the United States of America and is the oldest written national constitution still in force. It was completed on September 17, 1787, with its adoption by the, Article I, Section 8, Clause 8: "Congress shall Power [. . .] To promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their respective Writings and Discoveries." The terms copyright and patent do not occur in the U.S. Constitution; they are the forms of exclusive rights that the American legislature has devised to serve the purpose of promoting the progress of science and useful arts.

1.2 Transfer of rights

Copyrights may be granted, sold, or relinquished. Very often, a copyright holder will, by contract, transfer his copyrights to a corporation. For example, a musician who records an album will sign an agreement with a record company in which the musician agrees to transfer all copyrights in the recordings to the company in exchange for royalties and other terms. One might ask why a copyright holder would ever give up his rights. The answer is that large companies generally have production and marketing capabilities far beyond that of the author. In the digital age of music, music may be copied and distributed for a minimal cost through the Internet, but record labelA record label is a brand created by companies that specialize in manufacturing, distributing and promoting audio and video recordings, on various formats including compact discs, LPs, DVD-Audio, SACDs, and cassettes. The name derives from the paper labels attempt to provide the service of promoting and marketing the artist so that the work can reach a much larger audience. A copyright holder does not have to transfer all rights completely. Some of the rights may be transferred, or else the copyright holder may grant another party a non-exclusive license to copy and/or distribute the work in a particular region.



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