
Public Domain Mark (PDM) is a
symbol
A symbol is a mark, Sign (semiotics), sign, or word that indicates, signifies, or is understood as representing an idea, physical object, object, or wikt:relationship, relationship. Symbols allow people to go beyond what is known or seen by cr ...
used to indicate that a work is free of known
copyright
A copyright is a type of intellectual property that gives its owner the exclusive legal right to copy, distribute, adapt, display, and perform a creative work, usually for a limited time. The creative work may be in a literary, artistic, ...
restrictions and therefore in the
public domain
The public domain (PD) consists of all the creative work to which no Exclusive exclusive intellectual property rights apply. Those rights may have expired, been forfeited, expressly Waiver, waived, or may be inapplicable. Because no one holds ...
. It is analogous to the
copyright symbol
The copyright symbol, or copyright sign, (a circled capital letter C for copyright), is the symbol used in copyright notices for works other than sound recordings. 17 U.S.C. The use of the symbol is described by the Universal Copyright Conv ...
, which is commonly used to indicate that a work is copyrighted, often as part of a
copyright notice
In the copyright law of the United States, United States copyright law, a copyright notice is a notice of statutorily prescribed form that informs users of the underlying claim to copyright ownership in a published work.
Copyright is a form ...
. The Public Domain Mark was developed by
Creative Commons
Creative Commons (CC) is an American non-profit organization and international network devoted to educational access and expanding the range of creative works available for others to build upon legally and to share. The organization has release ...
and is only an indicator of the public domain status of a work – it itself does not ''release'' a copyrighted work into the public domain like
CC0.
The symbol is encoded in
Unicode
Unicode or ''The Unicode Standard'' or TUS is a character encoding standard maintained by the Unicode Consortium designed to support the use of text in all of the world's writing systems that can be digitized. Version 16.0 defines 154,998 Char ...
as , which was added in Unicode 13.0 in March 2020.
As there is no single definition of public domain and copyright laws differ by jurisdiction, a work can be in the public domain in some countries while still being under copyright in others (so called hybrid status). It is also difficult to assess the legal status of many works. The PDM is recommended to be used only for works that are likely free from any copyright restrictions ''worldwide''.
See also
*
CC0
*
Public Domain
The public domain (PD) consists of all the creative work to which no Exclusive exclusive intellectual property rights apply. Those rights may have expired, been forfeited, expressly Waiver, waived, or may be inapplicable. Because no one holds ...
*
Wikimedia Commons category containing media files marked with the Public Domain Mark
References
External links
Public Domain Mark
Creative Commons
Public domain
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