Public Domain Mark - Wikipedia
Public Domain Mark (PDM) is a symbol used to indicate that a work is free of known copyright restrictions and therefore in the public domain. It is analogous to the copyright symbol , which is commonly used to indicate that a work is copyrighted, often as part of a copyright notice .
Public domain - Wikipedia
A public-domain film is a film that was never under copyright, was released to public domain by its author, or whose copyright has expired. All films in the United States before January 1st, 1929 have been entered in the public domain.
Welcome to the Public Domain - Copyright Overview by Rich …
2013年4月3日 · Under copyright laws that were in effect before 1978, a work that was published without copyright notice fell into the public domain. If the work did not include the word “Copyright” or a © (a “c” in a circle) and the name of the copyright owner, …
Public Domain Mark - Creative Commons
2011年1月5日 · This page describes the development process of Public Domain Mark, which launched October 11, 2010. More information on Creative Commons Public Domain tools is available here.
Public Domain Mark - Creative Commons
Our Public Domain Mark enables works that are no longer restricted by copyright to be marked as such in a standard and simple way, making them easily discoverable and available to others.
Public domain - Creative Commons
2013年12月2日 · 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.
2.3 The Public Domain - Creative Commons license
As we learned, copyright protection is automatic, so the absence of a copyright symbol “©” does not mean a work is in the public domain. In addition to its CC0 Public Domain Dedication, Creative Commons also has a tool called the Public Domain Mark, which can label works whose copyright has expired everywhere in the world.
Copyright Services: Copyright Term and the Public Domain
2024年9月25日 · All terms of copyright run through the end of the calendar year in which they would otherwise expire, so a work enters the public domain on the first of the year following the expiration of its copyright term. For example, a book published on 15 March 1925 entered the public domain on 1 January 2021, not 16 March 2020 (1925+95=2020).
PDM FAQ - Creative Commons
2024年7月10日 · The Public Domain Mark (“PDM”) is a tool that allows anyone to mark and tag a work that is free of known copyright restrictions worldwide, all in a way that clearly communicates that status to the public and allows it to be easily discoverable.
Public Domain - Creative Commons
Use this universal tool if you are a holder of copyright or database rights, and you wish to waive all your interests that may exist in your work worldwide.