Utility Patent Duration
Jeannie applied for a utility patent on January 1, 1993. Assuming all maintenance fees are properly paid, will her patent protection still be in effect on December 31, 2014?
AYes, because utility patents last indefinitely.
BNo, because utility patents are valid for 10 years.
CYes, because utility patents are valid for 99 years.
DNo, because utility patents are valid for 20 years.