News & Analysis as of

Class Action Class Certification Daubert Standards

A class action is a type of legal action where a representative individual or group of individuals can bring a claim on behalf of a larger group or class who share a common legal interest.
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

Carlton Fields

Classified Monthly: A Roundup of Class Action Decisions From Federal Appellate Courts April 2024

Carlton Fields on

The Roundup covers notable class action decisions each month from federal appellate courts, as well as notable Supreme Court class action cert petitions....more

Carlton Fields

Rough Waters in the Expert “Hot Tub” - Court Throws Class Expert Overboard in Google Play Store Litigation

Carlton Fields on

One notable opportunity associated with antitrust class action practice is the expert “hot tub,” which generally speaking is an in-court, on-the-record “debate” between dueling economists, with the court, parties, and experts...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

Haug Partners LLP

En Banc 9th Circuit Puts Packaged Tuna Antitrust Classes Back in the Case, Dissent Warns of a “Tidal Wave Of Monstrously Oversized...

Haug Partners LLP on

On April 8, 2022, the U.S. Court of Appeals for the Ninth Circuit, sitting en banc, re-certified three classes of packaged tuna buyers, rejecting a Ninth Circuit panel-majority’s per se rule regarding a de minimis number of...more

Akin Gump Strauss Hauer & Feld LLP

9th Circuit Provides Key Guidance for Defendants Opposing Rule 23(b)(3) Class Actions

Key Points - The en banc 9th Circuit clarified numerous rules applicable to class actions brought under Rule 23(b)(3) of the Federal Rules of Civil Procedure. The court’s watershed decision in Olean Wholesale Grocery v....more

Foley & Lardner LLP

Sixth Circuit Holds Non-Expert Evidence Need Not Be Admissible to Support Class Certification, but Approves Stringent Claim...

Foley & Lardner LLP on

At Class Certification Stage, Non-Expert Evidence Must Be Reliable, but Not Necessarily Admissible: As the Supreme Court explained 40 years ago in General Telephone Co. of Southwest v. Falcon, 457 U.S. 147, 161 (1982),...more

Seyfarth Shaw LLP

Class Certification Granted In Staffing Company Workplace Bias Suit

Seyfarth Shaw LLP on

Seyfarth Synopsis: For nearly a decade, the aftershocks of the U.S. Supreme Court’s decision in Wal-Mart Stores, Inc. v. Dukes have curtailed the success of plaintiffs attempting to certify class discrimination claims in...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

Do Daubert Standards Apply at the Certification Stage? Ninth Circuit Splits With Itself

BakerHostetler on

It is fitting that the day after Halloween the Ninth Circuit issued its denial of rehearing en banc in Sali v. Corona Regional Medical Center, Case No. 15-56460, because the issue it raises, like Michael Myers in the...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

BakerHostetler

Ninth Circuit Finds Evidence at Class Certification Not Required to Be Admissible - The Last Word on the Issue?

BakerHostetler on

In a 28-page opinion, a panel of the Ninth Circuit overturned a district court’s denial of class certification, in part, because the lower court required supporting evidence to be admissible. This decision certainly...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

Seyfarth Shaw LLP

Third Circuit Plays the “Top Fifty” Hits, Allows ADEA Claim for Employees Fifty and Over

Seyfarth Shaw LLP on

Seyfarth Synopsis: The Third Circuit has shaken up long-standing precedent and created a split among the circuits, such that now employers should not only evaluate its employment decisions for the effect on individuals over...more

Orrick, Herrington & Sutcliffe LLP

Supreme Court Affirms Class Certification and Judgment Predicated upon "Representative Evidence"

On March 22, 2016, the Supreme Court issued a decision permitting class plaintiffs to rely on "representative" or "sample" evidence to satisfy the prerequisites to class certification and certain elements of their claims. ...more

K&L Gates LLP

The Supreme Court Charts a Narrow Course in the Use of Statistical Evidence at Class Certification

K&L Gates LLP on

The United States Supreme Court recently ruled in Tyson Foods, Inc. v. Bouaphakeo, No. 14-1146, --- S. Ct. ---, 2016 WL 1092414 (U.S. Mar. 22, 2016), as to when a plaintiff may use statistical sampling in seeking to certify a...more

Orrick - Employment Law and Litigation

Pork Processing Plant Employees Can Keep the Bacon: Supreme Court Affirms Jury Award and Permits Proof of Wage and Hour Class...

While the Supreme Court in Tyson Foods, Inc. v. Bouaphakeo dashed employers’ hopes that the Court would broadly preclude statistical evidence and severely limit wage and hour class actions in a fashion similar to its...more

BakerHostetler

Tyson Foods, Inc. v. Bouaphakeo: The Supreme Court Declines to Rule Out Representative Evidence in Class Actions

BakerHostetler on

In Tyson Foods, Inc. v. Bouaphakeo, 577 U.S. __ (2016), the Supreme Court considered whether a case could proceed as a class action under Rule 23(b)(3) when the plaintiffs relied upon statistical, representative evidence to...more

Pierce Atwood LLP

Defendants should embrace, rather than fear, Tyson Foods

Pierce Atwood LLP on

As my colleague, Katherine Kayatta, alluded to in her detailed post earlier this week, much of the initial commentary on the Supreme Court’s Tyson Foods decision has been to the effect that the decision may crack open the...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 Rose LLP

The ERISA Litigation Newsletter - January 2014

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This month we look at part three of our three part series on Class Actions. In part three, Robert Rachal and M. Todd Mobley address the role of experts in class certification post Wal-Mart and Comcast and how to use and...more

Cozen O'Connor

S.D.N.Y. Disqualifies Securities Class Action Plaintiffs’ Expert and Denies Class Certification

Cozen O'Connor on

Recently, in IBEW Local 90 Pension Fund v. Deutsche Bank AG, No. 11-cv-4209, 2013 U.S. Dist. LEXIS 155136 (S.D.N.Y. Oct. 29, 2013), District Judge Katherine Forrest declined to certify a class of securities plaintiffs and...more

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