
U.S. Trademarking: What is the Doctrine of Foreign Equivalence?
Under U.S. trademark laws, there is a legal concept called the “Doctrine of Foreign Equivalence”(“DFE”). Essentially, the DFE prevents the registration of trademarks that violate U.S. trademark rules where foreign language words are used instead of English language words that have the same meaning. Thus, “blaue Milchviehbetriebe” and “fermes laitières bleues” are not registerable since […]
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