477 U.S. 317 (1986) Cited 216,328 times 40 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"
397 U.S. 137 (1970) Cited 1,700 times 27 Legal Analyses
Holding that where a statute addresses "a legitimate local public interest, and its effects on interstate commerce are only incidental, it will be upheld unless the burden imposed on such commerce is clearly excessive in relation to the putative local benefits"