Unverified50% confidenceFactExact time
The US copyright protection period was extended from 14 years in 1790, to 28 years in 1831, to 56 years in 1909, then changed to life of the author plus 50 years in 1976, and finally extended to life of the author plus 70 years for individuals and 95 years for corporate works by the Sonny Bono Copyright Term Extension Act of 1998.
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9/11/2026
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