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Terms of Copyright Protection
The Copyright Term Extension Act (Public Law 105-298), signed into law on October 27, 1998, amended the provisions of title 17, United States Code, with respect to the duration of copyright. Specific provisions are as follows:

For works created after January 1, 1978, copyright protection endures for the life of the author plus an additional 70 years. In the case of joint work, the term lasts for 70 years after the last surviving author's death. For anonymous and pseudonymous works and works made for hire (corporate authorship), the term expires 95 years from the first publication or 120 years from the year of creation, whichever expires first;

For works created but not published or registered before January 1, 1978, the term endures for life of the author plus 70 years, but in no case will expire earlier than December 31, 2002. If the work is published before December 31, 2002, the term will not expire before December 31, 2047;

For pre-1978 works still in their original renewal term of copyright, the total term is extended to 95 years from the date that copyright was originally secured.

There are additional provisions regarding sound recordings made before February 15, 1972, termination of grants and licenses, presumption of an author's death, and reproduction by libraries and archives.
Note: the Copyright Term Extension Act did not restore copyright protection to any works already in the public domain.
A more complete table, including information about works published outside the United States, is available at the Cornell University Copyright Information Center .

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