Author: Lawrence Moore

Kelly v. RealPage Inc.: The Third Circuit Lowers the “Heightened Standard” for Ascertainability

Rule 23 does not explicitly require that a court be able to determine who the members are before certifying a class. But judges have found implicit in the Rule a requirement that membership in a defined class be “ascertainable” or “definite.” For example, a court cannot address the numerosity requirement or provide effective relief to […]

Does Tyson’s “No Reasonable Juror” Standard Relieve Courts of the Obligation Rigorously To Analyze Expert Statistical Models at Class Certification?

In order to have a class certified, the plaintiffs have the burden of proving to the satisfaction of the court, “after a rigorous analysis,” that they comply with Rule 23—that is, that “there are in fact sufficiently numerous parties, common questions of law or fact, etc.”  Wal-Mart Stores, Inc. v. Dukes, 564 U.S. 338, 350-51 […]