Outside the United States, many countries take the position that an
author owns the copyright to his or her work simply by virtue of having
created it; copyright protection is not conditioned on compliance with
notice or other formalities. 1 The United States, however, has historically
required copyright notice to be placed on works which are published.
Judge Friendly succinctly explained the American position: "The notice
requirement serves an important public purpose; the copyright proprietor
is protected so long and only so long as he gives effective warning to
trespassers that they are entering on forbidden ground.
The Copyright Notice Requirement In The United States: A Proposed Amendment Concerning Deliberate Omissions Of Notice,
Available at: https://scholarworks.law.ubalt.edu/all_fac/892