infringement as previously
described provided the notice also includes a statement that identifies
either those portions of the work in which copyright is claimed or those
portions that constitute U. S. Government material.

Example: (the letter C in a circle symbol) 2000 Jane Brown. Copyright
claimed in Chapters 7-10, exclusive of U. S. Government maps

Copies of works published before March 1, 1989, that consist primarily
of one or more works of the U. S. Government _*should*_ have a notice
and the identifying statement.

-=Unpublished Works=-

The author or copyright owner may wish to place a copyright notice on
any unpublished copies or phonorecords that leave his or her control. _
Example: Unpublished work (letter C in a circle symbol) 1999 Jane Doe

-=Omission of the Notice and Errors in Notice=-

The 1976 Copyright Act attempted to ameliorate the strict consequences
of failure to include notice under prior law. It contained provisions
that set out specific corrective steps to cure omissions or certain
errors in notice. Under these provisions, an applicant had 5 years after
publication to cure omission of notice or certain errors. Although these
provisions are technically still in the law, their impact has been
limited by the amendment making notice optional for all works published
on and after March 1, 1989. For further information, request Circular 3
[http://www.loc.gov/copyright/circs/circ03.pdf].

------------------------------------------------------------------------

HOW LONG COPYRIGHT PROTECTION ENDURES

Works Originally Created on or after January 1, 1978

A work that is created (fixed in tangible form for the first time) on or
after January 1, 1978, is automatically protected from the moment of its
creation and is ordinarily given a term enduring for the author's life
plus an additional 70 years after the author's death. In the case of "a
joint work prepared by two or more authors who did not work for hire,"
the term lasts for 70 years after the last surviving author's death. For
works made for hire, and for anonymous and pseudonymous works (unless
the author's identity is revealed in Copyright Office records), the
duration of copyright will be 95 years from publication or 120 years
from creation, whichever is shorter.

Works Originally Created before January 1, 1978, But Not Published or
Registered by That Date

These works have been automatically brought under the statute and are