477 U.S. 317 (1986) Cited 223,052 times 42 Legal Analyses
Holding that a movant's summary judgment motion should be granted "against a [nonmovant] who fails to make a showing sufficient to establish the existence of an element essential to that party's case, and on which that party will bear the burden of proof at trial"
Holding that third-party evidence should not be disregarded in evaluating the strength of a mark for purposes of determining the likelihood of confusion
Stating that "[a]s to strength of a mark . . . [third-party] registration evidence may not be given any weight . . . [because they are] not evidence of what happens in the market place"
15 U.S.C. § 1114 Cited 8,279 times 92 Legal Analyses
Holding liable "Any person who shall, without the consent of the registrant — use in commerce any reproduction . . . of a registered mark . . . in connection with which such use is likely to cause confusion."