A Patent Holder's Rights Over the Patented Product Generally End

Multiple Choice

A patent holder's rights over the patented product generally end once it is sold to a lawful purchaser,giving the buyer,or anyone to whom she resells the article,the right to freely use or resell the item.This doctrine is known as _____.

A) patent exhaustion
B) patent infringement
C) patent extraterritorial
D) patent remedy