A patent is good for 20 years from:
A) the date a patent reviewer establishes
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

In most jurisdictions, a patent is good for 20 years from the date on which the application for the patent was filed in the relevant patent office, or, in some cases, from the earliest priority date claimed by the patent. None of the options A, B, C, or D accurately describe this standard practice.

A Patent Is Good for 20 Years From