As long as the owner continues to use and protect the trademark, the trademark's exclusive use:
A) can last up to 5 years
B) can last for between 10 and 20 years, depending on the state
C) can be used by others in non-profit endeavors
D) can last up to, but not more than, 25 years
E) none of the other choices are correct

Question

Quizplus · Accepted Answer

Trademarks do not have a specific expiration date as long as they are in use and properly defended against infringement. Unlike patents or copyrights, which have fixed terms, trademarks can last indefinitely with continued use and renewal.

As Long as the Owner Continues to Use and Protect