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Class Certification Federal Rules of Civil Procedure Expert Testimony

McGuireWoods LLP

Seventh Circuit Requires District Courts to Resolve “Battle of Experts” Before Deciding Class Certification

McGuireWoods LLP on

Gone are the days when district courts in the Seventh Circuit can grant class certification without resolving conflicting expert evidence. On Aug. 5, 2025, the U.S. Court of Appeals for the Seventh Circuit, in Arandell...more

IMS Legal Strategies

The Value of Consumer Surveys in Class Action Cases

IMS Legal Strategies on

As savvy plaintiffs and defendants know, the viability of class actions relies on evidence—and surveys are the best way to generate evidence about consumer behaviors or opinions. In class actions, surveys provide evidence to...more

Robinson Bradshaw

Old Dogs and New Tricks: Supreme Court Denies Certiorari in Ninth Circuit Case Allowing Reliance on Inadmissible Expert Work for...

Robinson Bradshaw on

Earlier this month, the Supreme Court declined to hear an appeal from the Ninth Circuit’s decision in Lytle v. Nutramax Laboratories, Inc. affirming the certification of a class of owners of elderly dogs, alleging that the...more

Faegre Drinker Biddle & Reath LLP

Sixth Circuit Applies FRE 702 to Class Certification Experts and Highlights Commonality and Predominance Issues for Products That...

Class certification decisions under Rule 23 of the Federal Rules of Civil Procedure mark a critical stage in any putative class action lawsuit. Rule 23(a) requires plaintiffs to prove, among other things, that “there are...more

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