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Copyright is a legal right created by the law of a country that grants the creator of an original work exclusive rights for its use and distribution. This is usually only for a limited time. The exclusive rights are not absolute but limited by limitations and exceptions to copyright law, including fair use. Copyright is a form of intellectual property, applicable to certain forms of creative work. Under US copyright law, legal protection attaches only to ''fixed'' representations in a tangible medium.〔The Berne Convention allows member countries to decide whether creative works must be "fixed" to enjoy copyright. Article 2, Section 2 of the Berne Convention states: "It shall be a matter for legislation in the countries of the Union to prescribe that works in general or any specified categories of works shall not be protected unless they have been fixed in some material form." Some countries do not require that a work be produced in a particular form to obtain copyright protection. For instance, Spain, France, and Australia do not require fixation for copyright protection. The United States and Canada, on the other hand, require that the work be "fixed in a tangible medium of expression" to obtain copyright protection. U.S. law requires that the fixation be stable and permanent enough to be "perceived, reproduced or communicated for a period of more than transitory duration." Similarly, Canadian courts consider fixation to require that the work be "expressed to some extent at least in some material form, capable of identification and having a more or less permanent endurance." (Harvard Law School ), ''The Scope of Copyright Law''.〕 It is often shared among multiple authors, each of whom holds a set of rights to use or license the work, and who are commonly referred to as rightsholders. These rights frequently include reproduction, control over derivative works, distribution, public performance, and "moral rights" such as attribution. Copyrights are considered ''territorial'' rights, which means that they do not extend beyond the territory of a specific jurisdiction. While many aspects of national copyright laws have been standardized through international copyright agreements, copyright laws vary by country.〔(【引用サイトリンク】title=International Copyright Law Survey )〕 Typically, the ''duration'' of a copyright spans the author's life plus 50 to 100 years (that is, copyright typically expires 50 to 100 years after the author dies, depending on the jurisdiction). Some countries require certain copyright formalities to establishing copyright, but most recognize copyright in any completed work, without formal registration. Generally, copyright is enforced as a civil matter, though some jurisdictions do apply criminal sanctions. Most jurisdictions recognize copyright limitations, allowing "fair" exceptions to the creator's exclusivity of copyright and giving users certain rights. The development of digital media and computer network technologies have prompted reinterpretation of these exceptions, introduced new difficulties in enforcing copyright, and inspired additional challenges to copyright law's philosophic basis. Simultaneously, businesses with great economic dependence upon copyright, such as those in the music business, have advocated the extension and expansion of copyright and sought additional legal and technological enforcement. ==History== (詳細はthe printing press and with wider literacy. As a legal concept, its origins in Britain were from a reaction to printers' monopolies at the beginning of the 18th century. Charles II of England was concerned by the unregulated copying of books and passed the Licensing of the Press Act 1662 by Act of Parliament,〔''Copyright in Historical Perspective'', p. 136-137, Patterson, 1968, Vanderbilt Univ. Press〕 which established a register of licensed books and required a copy to be deposited with the Stationers' Company, essentially continuing the licensing of material that had long been in effect. The British Statute of Anne (1710) further alluded to individual rights of the artist. It began, "Whereas Printers, Booksellers, and other Persons, have of late frequently taken the Liberty of Printing... Books, and other Writings, without the Consent of the Authors... to their very great Detriment, and too often to the Ruin of them and their Families:".〔(【引用サイトリンク】title=Statute of Anne )〕 A right to benefit financially from the work is articulated, and court rulings and legislation have recognized a right to control the work, such as ensuring that the integrity of it is preserved. An irrevocable right to be recognized as the work's creator appears in some countries' copyright laws. Copyright laws allow products of creative human activities, such as literary and artistic production, to be preferentially exploited and thus incentivized. Different cultural attitudes, social organizations, economic models and legal frameworks are seen to account for why copyright emerged in Europe and not, for example, in Asia. In the Middle Ages in Europe, there was generally a lack of any concept of literary property due to the general relations of production, the specific organization of literary production and the role of culture in society. The latter refers to the tendency of oral societies, such as that of Europe in the medieval period, to view knowledge as the product and expression of the collective, rather than to see it as individual property. However, with copyright laws, intellectual production comes to be seen as a product of an individual, with attendant rights. The most significant point is that patent and copyright laws support the expansion of the range of creative human activities that can be commodified. This parallels the ways in which capitalism led to the commodification of many aspects of social life that earlier had no monetary or economic value per se.〔Bettig, Ronald V. (1996). ''Copyrighting Culture: The Political Economy of Intellectual Property. Westview Press''. p. 9–17. ISBN 0-8133-1385-6.〕 The Statute of Anne was the first real copyright act, and gave the publishers rights for a fixed period, after which the copyright expired. Copyright has grown from a legal concept regulating copying rights in the publishing of books and maps to one with a significant effect on nearly every modern industry, covering such items as sound recordings, films, photographs, software, and architectural works. Prior to the passage of the United States Constitution, several states passed their own copyright laws between 1783 and 1787, the first being Connecticut.〔Pelanda, Brian. (Declarations of Cultural Independence: The Nationalistic Imperative Behind the Passage of Early American Copyright Laws, 1783–1787 ) 58 Journal of the Copyright Society of the U.S.A. 431 (2011).〕 Contemporary scholars and patriots such as Noah Webster, John Trumbull (poet), and Joel Barlow were instrumental in securing the passage of these statutes.〔 The Copyright Clause of the United States Constitution (1787) authorized copyright legislation: "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." That is, by guaranteeing them a period of time in which they alone could ''profit'' from their works, they would be enabled and encouraged to invest the time required to create them, and this would be good for society as a whole. A right to profit from the work has been the philosophical underpinning for much legislation extending the duration of copyright, to the life of the creator and beyond, to their heirs. The original length of copyright in the United States was 14 years, and it had to be explicitly applied for. If the author wished, they could apply for a second 14‑year monopoly grant, but after that the work entered the public domain, so it could be used and built upon by others. Thomas Jefferson, who strongly advocated the ability of the public to share and build upon the works of others, proposed as part of the Bill of Rights that a short timespan be protected: :Art. 9. Monopolies may be allowed to persons for their own productions in literature and their own inventions in the arts for a term not exceeding – years but for no longer term and no other purpose. Copyright law was enacted rather late in German states, and the historian Eckhard Höffner argues that the absence of copyright laws in the early 19th century encouraged publishing, was profitable for authors, led to a proliferation of books, enhanced knowledge, and was ultimately an important factor in the ascendency of Germany as a power during that century. The 1886 Berne Convention first established recognition of copyrights among sovereign nations, rather than merely bilaterally. Under the Berne Convention, copyrights for creative works do not have to be asserted or declared, as they are automatically in force at creation: an author need not "register" or "apply for" a copyright in countries adhering to the Berne Convention.〔(【引用サイトリンク】title=Berne Convention for the Protection of Literary and Artistic Works Article 5 )〕 As soon as a work is "fixed", that is, written or recorded on some physical medium, its author is automatically entitled to all copyrights in the work, and to any derivative works unless and until the author explicitly disclaims them, or until the copyright expires. The Berne Convention also resulted in foreign authors being treated equivalently to domestic authors, in any country signed onto the Convention. The UK signed the Berne Convention in 1887 but did not implement large parts of it until 100 years later with the passage of the ''Copyright, Designs and Patents Act of 1988''. The United States did not sign the Berne Convention until 1989.〔Garfinkle, Ann M; Fries, Janet; Lopez, Daniel; Possessky, Laura (1997). "Art conservation and the legal obligation to preserve artistic intent". JAIC 36 (2): 165–179.〕 The United States and most Latin American countries instead entered into the Buenos Aires Convention in 1910, which required a copyright notice on the work (such as ''all rights reserved''), and permitted signatory nations to limit the duration of copyrights to shorter and renewable terms.〔("International Copyright Relations of the United States" ), U.S. Copyright Office Circular No. 38a, August 2003.〕〔(Parties to the Geneva Act of the Universal Copyright Convention ) as of 2000-01-01: the dates given in the document are dates of ratification, not dates of coming into force. The Geneva Act came into force on 16 September 1955, for the first twelve to have ratified (which included four non-members of the Berne Union as required by Art. 9.1), or three months after ratification for other countries. 〕〔(165 Parties to the Berne Convention for the Protection of Literary and Artistic Works ) as of May 2012.〕 The Universal Copyright Convention was drafted in 1952 as another less demanding alternative to the Berne Convention, and ratified by nations such as the Soviet Union and developing nations. The regulations of the Berne Convention are incorporated into the World Trade Organization's TRIPS agreement (1995), thus giving the Berne Convention effectively near-global application. The 2002 WIPO Copyright Treaty enacted greater restrictions on the use of technology to copy works in the nations that ratified it. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Copyright」の詳細全文を読む スポンサード リンク
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