Anti-copyright notice
Encyclopedia
An anti-copyright notice is a specific statement that is added to a work in order to encourage wide distribution. Such notices are legally required to host such specific media; under the Berne Convention
Berne Convention for the Protection of Literary and Artistic Works
The Berne Convention for the Protection of Literary and Artistic Works, usually known as the Berne Convention, is an international agreement governing copyright, which was first accepted in Berne, Switzerland in 1886.- Content :...

 in international copyright law, works are protected even if no copyright
Copyright
Copyright is a legal concept, enacted by most governments, giving the creator of an original work exclusive rights to it, usually for a limited time...

 statement is attached to them. However, "anti-copyright
Anti-copyright
Anti-copyright refers to the complete or partial opposition to prevalent copyright laws. Copyright is known as the owner's right for copies to be only made by the owner or with his/her authorization in form of a license....

" statements typically do not take the form of either sophisticated open content
Open content
Open content or OpenContent is a neologism coined by David Wiley in 1998 which describes a creative work that others can copy or modify. The term evokes open source, which is a related concept in software....

 licenses or a simple dedication to the public domain
Public domain
Works are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...

; instead, they usually just encourage wide distribution. It is possible to denounce all claims to copyright in a work including moral rights in a written disclaimer.

An example of an anti-copyright notice is the following: "Anti-Copyright! Reprint freely, in any manner desired, even without naming the source." Where such notices are attached depends highly on the type of work. They are often found in socialist anarchist
Libertarian socialism
Libertarian socialism is a group of political philosophies that promote a non-hierarchical, non-bureaucratic, stateless society without private property in the means of production...

 magazines and books.

A copyright waiver
Waiver
A waiver is the voluntary relinquishment or surrender of some known right or privilege.While a waiver is often in writing, sometimes a person's actions can act as a waiver. An example of a written waiver is a disclaimer, which becomes a waiver when accepted...

 might state the following:
The author of this work hereby waives all claim of copyright (economic and moral) in this work and immediately places it in the public domain; it may be used, distorted or destroyed in any manner whatsoever without further attribution or notice to the creator.


Most people would regard "anti-copyright" notices as being equivalent to a dedication of material into the public domain
Public domain
Works are in the public domain if the intellectual property rights have expired, if the intellectual property rights are forfeited, or if they are not covered by intellectual property rights at all...

 (as in the second example above). Some of these disclaimers, however, are less accurate and need to be interpreted individually as the term anti-copyright has no accepted legal meaning. For example, if just free distribution is encouraged, modification or lack of attribution is still illegal, making the material ineligible for collaborative writing projects like Wikipedia
Wikipedia
Wikipedia is a free, web-based, collaborative, multilingual encyclopedia project supported by the non-profit Wikimedia Foundation. Its 20 million articles have been written collaboratively by volunteers around the world. Almost all of its articles can be edited by anyone with access to the site,...

. In such a case anti-copyright is not a true denial of copyright, but just a modification of the protection it affords copyright holders.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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