"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."
copyright.gov/help/faq/…
https://www.copyright.gov/help/faq/faq-duration.html#duration
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"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."
https://www.copyright.gov/help/faq/faq-duration.html#duration