Expert testimony plays a critical role in nearly all putative class actions, including at the class certification stage where parties rely on expert evidence to address the requirements of Federal Rule of Civil Procedure 23....more
Takeaway: The Ninth Circuit recently ruled that inadmissible evidence may be considered in ruling on a motion for class certification. But does inadmissible evidence really qualify as evidence? Notwithstanding the evidentiary...more
In order to certify a class action, it is the plaintiff’s burden to prove that all of the requirements of Rule 23 of the Federal Rules of Civil Procedure are satisfied. In some class actions, plaintiffs cannot proceed without...more
Key Points - - Comcast Corp. v. Behrend clarifies that the Court's 2011 decision in Wal-Mart v. Dukes, which requires an inquiry into the merits to the extent necessary to resolve Rule 23 issues, extends to antitrust...more