1.Previous
3.Next

are generally known.For example, for a work by "John Doe" first published in 2011:

The notice was once required in order to receive copyright protection in the United States, but in countries respecting the Berne Convention this is no longer the case. The United States joined the Berne Convention effective March 1, 1989.

Berne Convention

In countries party to the Berne Convention for the Protection of Literary and Artistic Works,

1.Previous
3.Next