public domain
noun
Definitions
The realm of intellectual property which is not protected by patents or copyright, i.e. over which no person or other legal entity can establish a proprietary interest.
Example: There is very little information about the treaty which is in the public domain.
Open land such as unowned prairie in the western and southwestern United States; space not subject to a land patent.
The realm of published works, as opposed to unpublished tracts.