Stanley Black and Decker is suing the maker of Stanley mugs, saying the company that makes the popular drinkware has violated an agreement that outlined when and where it could us

The maker of popular Stanley beverage containers was hit with a lawsuit from U.S. toolmaker Stanley Black & Decker on Tuesday, accusing it of misusing the "Stanley" name to gain "viral success."

A Connecticut company is suing the maker of Stanley tumblers. New Britain-based Stanley Black and Decker filed the suit against Pacific Market International. It claimed that Stanley-branded cups confuse customers into thinking the two companies are connected.