The California Supreme Court has identified three requirements for the certification of a class: (1) “the existence of an ascertainable and sufficiently numerous class”; (2) a well-defined community of interest”; and (3) “substantial benefits from certification that render proceeding as a class superior to the alternatives.” Brinker Restaurant Corp. v. Superior Court (Hohnbaum) (2012) 53 Cal.4th 1004, 1021. The community of interest requirement in turn has three factors: (1) common questions of law or fact predominate over individual questions; (2) the class representatives have claims or defenses typical of the class; and (3) the class representatives can adequately represent the class. Id.
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