Simplex Piston Ring Co. of America, Inc. v. Hamilton

How courts have described this case

Verbatim parenthetical descriptions written by other courts when citing this decision. Ranked by citation-network relevance.

• stating that “it is not enough for a plaintiff merely to show a defendant was in charge of other state actors who actually committed the violation”
• explaining that the plaintiff must show both the existence of a custom or policy and “a direct causal link between the custom or policy and the violation alleged” to establish municipal liability
• discussing the evidence needed to “prevail on a claim for damages” against individual defendants and rejecting liability simply due to an individual’s role as a supervisor
• stating, to establish liability of local-government entities under § 1983, \plaintiff must show (1) the existence of a municipal custom or policy and (2) a direct causal link between the custom or policy and the violation alleged\
• “The plaintiff must show the defendant personally participated in the alleged violation ... and conclusory allegations are not sufficient to state a constitutional violation.”
• “A municipality may not be held liable under 42 U.S.C. § 1983 simply because it employs a person who violated a plaintiff’s federally protected rights.”

Source: CourtListener parenthetical corpus (CC0).