The Copyright Term Extension Act of 1998 extended copyright terms in the United States. It is one of several acts extending the terms of copyrights. Following the Copyright Act of 1976, copyright would last for the life of the author plus 50 years, or 75 years for a work of corporate authorship. The 1976 Act also increased the extension term for works copyrighted before 1978 that had not already entered the public domain from twenty-eight years to forty-seven years, giving a total term of sevent