History of the expansion of the copyright term

Charlie Nesson's IP PPT

Cyber One Class, Harvard Law School, Fall 2008 NEEDS IMPROVEMENT

• 1790 14 years (maybe x2)
• 1831 42 years
• 1909 56 years
• 1962 59 years
• 1965 61 years
• 1967 63 years
• 1968 64 years
• 1970 66 years
• 1971 67 years
• 1972 68 years
• 1974 70 years
• 1976 75 years
• 1998 95 years