As Long as the Owner Continues to Use and Protect

Multiple Choice

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