A patent is good for 20 years from:
A) the date granted
B) the date the invention reaches the market
C) the date the inventor began work on the invention
D) the date the inventor began the patent filing process
E) none of the other choices are correct

Question

Quizplus · Accepted Answer

A patent is good for 20 years from the date it is granted by the patent office. This is the official start date of the patent's lifespan and it is when the clock starts ticking on the 20-year term.

A Patent Is Good for 20 Years From