Copyright Issues
•Works created after 1977 are protected for the life of
the author plus 70 years (in
U.S.).
•Registration is no longer required in the U.S.
•A work that was created after 1977 is automatically
copyrighted unless the
creator makes a specific statement on the work that it is not copyrighted.
•Once the copyright has expired, the work is in the public domain, which means you are free to copy the files without requesting permission from the source.