News & Analysis as of

Class Certification Expert Testimony Daubert Standards

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

Kilpatrick

Eighth Circuit concludes that admissibility at class certification is a “red-herring”

Kilpatrick on

In Cody v. City of St. Louis, 103 F.4th 523 (8th Cir. 2024), the Eight Circuit maintained its position that admissibility standards do not apply strictly at the class certification stage, thereby solidifying a circuit split...more

Faegre Drinker Biddle & Reath LLP

Listen Up Class: The Role of Daubert at the Class Certification Stage in the Ninth Circuit

Class certification is the feature fight of any putative class action lawsuit. If granted, it can multiply the stakes of a case several hundred- or thousand-fold. If denied, it can signal the end of the litigation. Because of...more

Faegre Drinker Biddle & Reath LLP

Exclusion of Damages Expert at Class Certification Stage Results in Partial Denial of Certification Motion

Just a decade ago, it was still an open question whether parties could challenge the admissibility of expert testimony in class certification proceedings. The United States Supreme Court recognized the issue in Wal-Mart...more

Bradley Arant Boult Cummings LLP

Setting Boundaries for the Field of Discretion: Fifth Circuit Clarifies that Daubert Standard Applies to Expert Opinions at Class...

In a decision that narrows the path to class certification in federal court, the Fifth Circuit has held that a plaintiff must clear the Daubert hurdle when expert evidence is relevant to the decision of a federal court to...more

McDermott Will & Emery

[Event] Wage The Battle To Win The War: Expert Challenges At Class Certification - September 24th, Chicago, Illinois

Certifying an antitrust class under Rule 23 has become a battle. In the last 20 years, courts have been changing the game around Rule 23 interpretation, and rigorous analysis at class certification has made briefing...more

Patterson Belknap Webb & Tyler LLP

Proving Retail Sales Figures In Consumer Class Actions: Different Approaches Lead To Very Different Results

To prove damages in a consumer class action, the named plaintiff must show—among other things—how many units of the defendant’s product were purchased by consumers in the relevant state (or states). This is easier said than...more

BakerHostetler

Experts Must Satisfy Daubert Standards at Certification Stage

BakerHostetler on

D.C. District Court Follows Dukes Admonition - Nearly seven years ago, in Wal-Mart Stores, Inc. v. Dukes, 564 U.S. 338 (2011), the Supreme Court addressed, at least in significant respect, the question of whether experts must...more

Carlton Fields

Noodle This! The Yin and Yang of Two Courts, Two Antitrust Cases, Two Class Certification Motions, Two Daubert Challenges, Two...

Carlton Fields on

Noodle this: Two significant orders on class certification in antitrust matters issued last week. Both were heavily influenced by the threshold determination of Daubert challenges to the plaintiffs’ expert evidence. In one...more

Robinson & Cole LLP

Use of Expert Testimony at Class Certification Stage Addressed By Third Circuit

Robinson & Cole LLP on

The Third Circuit recently joined the Seventh, Eighth, and Ninth Circuits in holding that, where a Daubert challenge is made to the use of expert testimony in support of class certification, the Daubert challenge must be...more

McDermott Will & Emery

Third Circuit Remands Class Certification Ruling in Blood Reagents Price-Fixing Case

McDermott Will & Emery on

On Wednesday, April 8, 2015, the Third Circuit Court of Appeals vacated a district court’s order certifying a class of direct purchasers of blood reagents in a price-fixing suit against Ortho-Clinical Diagnostics Inc. In re...more

Proskauer - Employee Benefits & Executive...

View From Proskauer: U.S. Supreme Court Provides Defendants With More Ammunition for Defeating Class Certification by Requiring...

The U.S. Supreme Court recently ruled in Comcast Corp. v. Behrend, 2013 WL 1222646 (U.S. Mar. 27, 2013) that, in order to obtain class certification, plaintiffs carry the burden of establishing not only that they have proof...more

BakerHostetler

Comcast v. Behrend: Supreme Court Tightens Certification Requirements, But Leaves Standard For Expert Evidence Uncertain

BakerHostetler on

On March 27, 2013, the U.S. Supreme Court decided Comcast Corp. v. Behrend, Case No. 11-864, which tightened class certification requirements in two respects. First, Behrend requires plaintiffs to show a method by which...more

Fisher Phillips

Supreme Court Raises The Bar For Class Actions

Fisher Phillips on

Today the U.S. Supreme Court rendered a pivotal decision, holding that as a prerequisite for certification of a class action, a plaintiff must introduce admissible evidence to show that the case is susceptible to awarding...more

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