The condition of being free from copyright or patent and, hence, open to use by anyone.
Webster's New World
Government-owned land; all publications, processes, and inventions that are not protected by patent or copyright.
Webster's New World Law
Copyright laws protect the ownership rights for creators of tangible creative works like poetry, music, art, books, movies, product designs and other forms of intellectual property, such as computer programs.
The protection of a piece of creative work in general is considered in effect until the first day of the year 70 years after the death of the author when it becomes public domain.
Public Domain Sentence Examples
At all events the corner between the Rio Grande and the Arkansas was Spanish from 1819 to 1845, when it became American territory as a part of the state of Texas; and in 1850, by a boundary arrangement between that state and the federal government, was incorporated in the public domain.
On expiration, the invention then enters the public domain and is available for others to exploit commercially.
Many public domain films stream directly from Google Video.
I collect facts that are out there in the public domain.