Under USA as it was until 1978, up to 85% of copyrighted works from 1985 might have risen to the public domain on 1st January 2014. Under USA as it was shortly after 1978, works from 1957 would have risen to the public domain on 1st January 2014. Under today’s law, works from 1957 will have to wait until 2053.
▻http://web.law.duke.edu/cspd/publicdomainday/2014/pre-1976
#copyright #USA