504 U.S. 451 (1992) Cited 2,287 times 16 Legal Analyses
Holding that "it is clearly reasonable to infer that [the defendant] has market power to raise prices and drive out competition in the aftermarkets" for service and parts despite an undisputed lack of market power in the initial product
466 U.S. 2 (1984) Cited 802 times 8 Legal Analyses
Holding that "any inquiry into the validity of a tying arrangement must focus on the market or markets in which the two products are sold, for that is where the anticompetitive forcing has its impact"
Holding that district courts are not required to conduct evidentiary hearings prior to issuing relief in civil cases when "there are no disputed factual issues regarding the matter of relief
Holding proof of injury for class certification in a Sherman Act antitrust case is established as long as the nationwide conspiratorially affected prices were higher than they would have been under competitive conditions because then "all members of the class suffered some damage, notwithstanding that there would be variations . . . as to the extent of their damage"
Holding that “a CERCLA plaintiff is not required to prove its case with scientific certainty” and observing that certainty “is not always a realistic goal in environmental science, where certainty can be elusive”