The Following Statements About Trademark Law Are True EXCEPT

The following statements about trademark law are true EXCEPT:

A) trademark is defined as any word, name, or symbol used by a business to identify and distinguish its product
B) trademark protection can last as long as the trademark is used in commerce
C) a descriptive phrase is an inherently distinctive mark
D) a trademark infringes another mark if it confuses consumers
E) trademarks used as a generic may pass into the public domain