Answered By: [Unclaimed] Last Updated: Jul 27, 2017 Views: 58
How long does a copyright last?
The term of copyright for a particular work depends on several factors, including whether it has been published, and, if so, the date of first publication. As a general rule, for works created after January 1, 1978, copyright protection lasts for the life of the author plus an additional 70 years. For an anonymous work, a pseudonymous work, or a work made for hire, the copyright endures for a term of 95 years from the year of its first publication or a term of 120 years from the year of its creation, whichever expires first. For works first published prior to 1978, the term will vary depending on several factors. (U.S. Copyright Office)
Published before 1923 - now in public domain
Published from 1923 to 1963 - When published with a copyright notice © or "Copyright [dates] by [author/owner]" - copyright protection lasts 28 years and could be renewed for an additional 67 years for a total of 95 years. If not renewed, now in public domain.
Published from 1923 to 1963 - When published with no notice - now in public domain
Published from 1964 to 1977 - When published with notice - copyright protection lasts 28 years for first term; automatic extension of 67 years for second term for a total of 95 years.
Created before 1/1/1978 but not published - copyright notice is irrelevant - copyright protection lasts for the life of author and 70 years or 12/31/2002, whichever is greater.
For further information you can visit the MC Libraries copyright guide.
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