Trademarks: Likelihood of Confusion
Likelihood of confusion is the fundamental test of both state common-law and statutory trademark infringement. Trademark infringement of a federally registered trademark under the Lanham Act (32(1)(a), 15 USCA 1114(1)(a)) is defined as: "Any person who shall, without the consent of the registrant (a) use in commerce any reproduction, counterfeit, copy or colorable imitation [...]