Publication is no longer the key to obtaining federal copyright as it
was under the Copyright Act of 1909. However, publication remains
important to copyright owners.

The 1976 Copyright Act defines publication as follows:

"Publication" is the distribution of copies or phonorecords of a work to
the public by sale or other transfer of ownership, or by rental, lease,
or lending. The offering to distribute copies or phonorecords to a group
of persons for purposes of further distribution, public performance, or
public display constitutes publication. A public performance or display
of a work does not of itself constitute publication.


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NOTE: Before 1978, federal copyright was generally secured by the act
of publication with notice of copyright, assuming compliance with all
other relevant statutory conditions. U. S. works in the public domain on
January 1, 1978, (for example, works published without satisfying all
conditions for securing federal copyright under the Copyright Act of
1909) remain in the public domain under the 1976 Copyright Act.

Certain foreign works originally published without notice had their
copyrights restored under the Uruguay Round Agreements Act (URAA).
Request Circular 38B [http://www.loc.gov/copyright/circs/circ38b.pdf]
and see the "Notice of Copyright" section of this publication for
further information.

Federal copyright could also be secured before 1978 by the act of