324 U.S. 806 (1945) Cited 1,073 times 9 Legal Analyses
Holding that clean-hands doctrine "presupposes [a court of equity's] refusal ... to be the ‘abetter of iniquity’ " (quoting Bein v. Heath , 47 U.S. 228, 247, 6 How. 228, 12 L.Ed. 416 (1848) )
Holding where mark is descriptive, "its registration must have been on the basis of the PTO's determination that mark had obtained a secondary meaning"
Holding that " trademark that is primarily geographically descriptive must have acquired secondary meaning to invoke the protection of the Lanham Act."