For background information, see the explanations on Non-U.S. copyrights.
As of 1 January 1996, were in the public domain in Brazil: Works whose author died before 1936; anonymous works, works deemed to be anonymous, or works by a collective person whose authors were not individually identified, first published or disclosed before 1936; all photographic works. And works deemed to be photographic works, which by choice of object and execution conditions couldn't be considered an artistic creation; work published or commissioned by a Brazilian government (federal, state, or municipal) prior to 1983; cinematographic, phonographic, photographic and applied arts works completed before 1936. Non artistic photographs continued entering the public domain until 20 June 1998 (not included), when Law 9.610 came into effect, 120 days after publication (pub. 20 Feb 1998).