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A Gmail user says Google deleted MP3s from his email because of copyright.
Supreme Court Says Congress May Re-Copyright Public Domain Works
Wired:
Congress may take books, musical compositions and other works out of the public domain, where they can be freely used and adapted, and grant them copyright status again, the Supreme Court ruled Wednesday. In a 6-2 ruling, the court ruled that just because material enters the public domain, it is not “territory that works may never exit.”
What Could Have Been Entering the Public Domain on January 1, 2012?
Current US law extends copyright protection for 70 years after the date of the author’s death. (Corporate “works-for-hire” are copyrighted for 95 years after publication.) But prior to the 1976 Copyright Act (which became effective in 1978), the maximum copyright term was 56 years (an initial term of 28 years, renewable for another 28 years). Under those laws, works published in 1955 would be passing into the public domain on January 1, 2012.