Mullins v. Direct Digital, LLC, No. 15-1776 (7th Cir. 2015)
Annotate this CaseThe plaintiff alleged consumer fraud by the seller of a dietary supplement, and the district court certified a plaintiff class of individuals “who purchased Instaflex within the applicable statute of limitations of the respective Class States for personal use until the date notice is disseminated,” under Rule 23(a) and (b)(3). The court rejected defendant’s argument that Rule 23(b)(3) implies a heightened ascertainability requirement. The Seventh Circuit affirmed, noting an implicit requirement under Rule 23 that a class must be defined clearly and that membership be defined by objective criteria rather than by, for example, a class member’s state of mind. In addressing this requirement, courts have sometimes used the term “ascertainability.” Class definitions fail this requirement when they were too vague or subjective, or when class membership was defined in terms of success on the merits (fail-safe classes). This class satisfied “ascertainability”
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