Difference between revisions of "Public domain"
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| − | When a work is in the public domain, it is free for use by anyone for any purpose without restriction under copyright law. Public domain is the purest form of open/free, since no one owns or controls the material in any way. | + | When a work is in the '''public domain''', it is free for use by anyone for any purpose without restriction under copyright law. Public domain is the purest form of open/free, since no one owns or controls the material in any way. |
| − | Works that are in the public domain in one legal jurisdiction are not necessarily in the public domain worldwide. Copyright laws differ from jurisdiction to jurisdiction, both in duration of protection and what constitutes copyrightable subject matter. For example | + | Works that are in the public domain in one legal jurisdiction are not necessarily in the public domain worldwide. Copyright laws differ from jurisdiction to jurisdiction, both in duration of protection and what constitutes copyrightable subject matter. For example [http://usa.gov/copyright.shtml a US Government work] clearly in the public domain in the United States may or may not be free of copyright restrictions and in the public domain in other jurisdiction. At present, one of the only ways to be certain that a particular work is in the public domain worldwide is to see if the copyright holder has dedicated all rights to the work to the public domain by using [http://wiki.creativecommons.org/CC0 CC0]. |
| − | Creative Commons licenses do not affect the status of a work that is in the public domain under applicable law, because our licenses only apply to works that are protected by copyright. | + | Creative Commons licenses do not affect the status of a work that is in the public domain under applicable law, because our licenses only apply to works that are protected by copyright. For more information, see [[Considerations for licensors and licensees|our Licensing Guide]] to what you should know before you license a work using CC licenses. |
| − | Find out more about [http://creativecommons.org/publicdomain CC's public domain tools], and learn more about [http://en.wikipedia.org/wiki/Public_domain | + | Find out more about [http://creativecommons.org/publicdomain CC's public domain tools], and learn more about [http://en.wikipedia.org/wiki/Public_domain Public Domain]. |
== When does a work enter the public domain? == | == When does a work enter the public domain? == | ||
| − | This varies by country. | + | This varies by country. To see when a work in the [[United States]] enters the public domain see copyright.[http://copyright.gov/pr/pdomain.html gov's] public domain page. |
| − | Cornell University has also provided a [http:// | + | Cornell University has also provided a [http://copyright.cornell.edu/resources/publicdomain.cfm handy table about copyright term] and the public domain in the United States. |
== Creative Commons public domain tools == | == Creative Commons public domain tools == | ||
* [[CC0]] (occasionally written as CC Zero) is a public domain dedication that allows copyright holders to place works in the public domain to the extent legally possible, worldwide. | * [[CC0]] (occasionally written as CC Zero) is a public domain dedication that allows copyright holders to place works in the public domain to the extent legally possible, worldwide. | ||
| − | * CC's [http://creativecommons.org/publicdomain/mark/1.0/ Public Domain Mark] allows anyone to mark a work that is already free of copyright restrictions around the world. | + | * CC's [http://creativecommons.org/publicdomain/mark/1.0/ Public Domain Mark] allows anyone to mark a work that is already free of copyright restrictions around the world. |
| − | |||
| − | + | See http://creativecommons.org/publicdomain for more information on CC's public domain tools. | |
| − | The | + | Public domain content in practice is any content without copyright. It may be freed from restrictions by the copyright, or the copyright may lapse after a certain time. |
| + | |||
| + | The details in practice vary between countries. More information about public domain can be found at [http://en.wikipedia.org/wiki/Public_domain Wikipedia's article on the public domain]. | ||
== Appropedia's Public Domain Search == | == Appropedia's Public Domain Search == | ||
| − | [http:// | + | [http://appropedia.org/Appropedia%27s_Public_Domain_Search Appropedia's Public Domain Search] was started in late 2007 when it was discovered there was no effective public available. This operates on a completely different method to searches using the Creative Commons marks. It uses a manually maintained index of known sites to be public domain - thus it is does not yield 100% public results, and content must be checked to confirm public domain status. Reliability is expected to improve and feedback by users is encouraged . |
As CC public domain tools become widely used, searches based on the CC marks would be expected to a take over from Appropedia's Public Domain Search. | As CC public domain tools become widely used, searches based on the CC marks would be expected to a take over from Appropedia's Public Domain Search. | ||
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* [[Cultivating the Public Domain]] | * [[Cultivating the Public Domain]] | ||
| − | * [http:// | + | * [http://wiki.creativecommons.org/images/0/08/Publicdomainsymbolversion1.jpeg Public Domain Symbol Version 1.0] |
| − | {{Translations | + | |
| − | + | {{Translations}} | |
| − | }} | + | |
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[[Category:Public domain]] | [[Category:Public domain]] | ||
Latest revision as of 08:20, 2 December 2013
When a work is in the public domain, it is free for use by anyone for any purpose without restriction under copyright law. Public domain is the purest form of open/free, since no one owns or controls the material in any way.
Works that are in the public domain in one legal jurisdiction are not necessarily in the public domain worldwide. Copyright laws differ from jurisdiction to jurisdiction, both in duration of protection and what constitutes copyrightable subject matter. For example a US Government work clearly in the public domain in the United States may or may not be free of copyright restrictions and in the public domain in other jurisdiction. At present, one of the only ways to be certain that a particular work is in the public domain worldwide is to see if the copyright holder has dedicated all rights to the work to the public domain by using CC0.
Creative Commons licenses do not affect the status of a work that is in the public domain under applicable law, because our licenses only apply to works that are protected by copyright. For more information, see our Licensing Guide to what you should know before you license a work using CC licenses.
Find out more about CC's public domain tools, and learn more about Public Domain.
Contents
When does a work enter the public domain?
This varies by country. To see when a work in the United States enters the public domain see copyright.gov's public domain page.
Cornell University has also provided a handy table about copyright term and the public domain in the United States.
Creative Commons public domain tools
- CC0 (occasionally written as CC Zero) is a public domain dedication that allows copyright holders to place works in the public domain to the extent legally possible, worldwide.
- CC's Public Domain Mark allows anyone to mark a work that is already free of copyright restrictions around the world.
See http://creativecommons.org/publicdomain for more information on CC's public domain tools.
Public domain content in practice is any content without copyright. It may be freed from restrictions by the copyright, or the copyright may lapse after a certain time.
The details in practice vary between countries. More information about public domain can be found at Wikipedia's article on the public domain.
Appropedia's Public Domain Search
Appropedia's Public Domain Search was started in late 2007 when it was discovered there was no effective public available. This operates on a completely different method to searches using the Creative Commons marks. It uses a manually maintained index of known sites to be public domain - thus it is does not yield 100% public results, and content must be checked to confirm public domain status. Reliability is expected to improve and feedback by users is encouraged .
As CC public domain tools become widely used, searches based on the CC marks would be expected to a take over from Appropedia's Public Domain Search.
