A case in which the Court found state-action immunity does not apply if the state's legislature did not clearly articulate intent to allow anticompetitive activity through the Hospital Authorities Act.

A case in which the Court held that the Federal Rules of Civil Procedure awards costs to the prevailing party unless a statute explicitly states otherwise.

A case in which the Court held that a covenant not to sue invalidates a company’s counterclaim for trademark enforcement.

A case in which the Court held that the burden lies on the defendant, instead of the government, to prove withdrawal from a conspiracy regardless of when the withdrawal took place.

A case in which the Court held that the Double Jeopardy clause bars a second trial even if the acquittal of the first trial was done in error.

A case in which the Court found that district courts cannot certify a class without adequate admissible evidence that damages may be measured and quantified on a class-wide basis.

A case in which the Court held that during class certification, the court does not need proof of materiality and does not have to allow the defendant to present evidence to rebut the certification.

A case in which the Court found that once an individual left the premises after being searched under a legal search warrant, the individual's detainment must be justified by means other than the warrant.

A case in which the Court found that the Padilla rule created an entirely new rule regarding ineffective assistance of counsel and therefore did not apply to persons whose conviction became final before its announcement.

A case in which the Court found that police officers do not need to show evidence of a drug-detection dog's reliability to prove probable cause.