For a Name to Be Trademarked

Multiple Choice

For a name to be trademarked:

A) it must be listed on the principal register for five years without being challenged.
B) it must be listed on the secondary register for five years and have acquired a secondary meaning.
C) it must be listed without restrictions and the trademark owner must notify the PTO every year that the trademark is still in use.
D) the PTO will not accept descriptive terms for trademark protection.
E) it must be listed on the principal register for one year and on the secondary register for five years.