Keith J. Verrier concentrates his practice on complex litigation, including antitrust class action and mass tort litigation. He has experience in all aspects of complex litigation and has played key roles in cases resulting in billions of dollars in recoveries for plaintiffs.

Mr. Verrier graduated magna cum laude from Temple University School of Law where he was a member of the Law Review. Following law school, he served as a judicial clerk for the Honorable Herbert J. Hutton on the United States District Court for the Eastern District of Pennsylvania. Earlier in his career, Mr. Verrier practiced at a large national law firm where he represented clients in a variety of complex commercial litigation matters and at a nationally-recognized boutique law firm specializing in antitrust class actions. Mr. Verrier also serves as an adjunct professor at Temple University Beasley School of Law, where he teaches Civil Procedure II as part of the Integrated Trial Advocacy Program.

Throughout his career, Mr. Verrier has been involved in a range of diverse and complex litigation. For his work, he was named a “Rising Star” in 2008 and 2010 and recognized by Super Lawyers as a top attorney in antitrust every year since 2015. In 2016, Mr. Verrier was a member of the team that won the American Antitrust Institute’s Enforcement Award for Outstanding Antitrust Litigation Achievement in Private Law Practice for their work in In re Air Cargo Shipping Services Antitrust Litigation (E.D.N.Y.). He was a member of the team that won that same award in 2023 for their work on In re Capacitors Antitrust Litigation (N.D. Cal.) and that team was also a finalist for the 2024 Public Justice Trial Lawyer of the Year award for their work on that case.

Mr. Verrier is currently a member of the court-appointed Executive Committee in Klein v. Meta Platforms, Inc., No. 20-cv-8570 (N.D. Cal.), where he represents a proposed class of advertisers seeking damages arising from Facebook’s anticompetitive conduct in the social advertising market in violation of, among other things, Section 2 of the Sherman Act. In addition, he is a member of the court-appointed Executive Committee in In re: Glucagon-like Peptide-1 Receptor Agonists (GLP-1 RAs) Prods. Liab. Litig. (E.D. Pa.) where he serves as Co-Chair of Law & Briefing representing individual plaintiffs in multidistrict litigation alleging certain gastrointestinal injuries caused by taking Ozempic and other GLP-1 RAs. He is also a member of the court-appointed Executive Committee in In re: GLP-1 RAs Non-Arteritic Anterior Ischemic Optic Neuropathy Prods. Liab. Litig. (E.D. Pa.) where he represents individual plaintiffs in multidistrict litigation alleging non-arteritic anterior ischemic optic neuropathy caused by taking defendants’ GLP-1 RAs.

In addition, the following are representative matters in which Mr. Verrier is or has been involved:

• Ross v. University of Pittsburgh Medical Center (W.D. Pa.): Representing a proposed class of healthcare workers asserting labor monopsony claims arising from alleged wage suppression.
• United Wisconsin Grain Producers LLC, et al. v. Archer Daniels Midland, No. 20-cv-2314 (C.D. Ill.): Representing ethanol producers in litigation arising from an alleged cross-market manipulation scheme affecting ethanol commodities and futures markets; leading continued prosecution of claim in state court following multi-year federal litigation and appeal.
• In re: Social Media Adolescent Addiction Prod. Liab. Litig. (N.D. Cal.): Served on the core team supporting the firm’s leadership role in multidistrict litigation involving alleged harms caused by social media platforms, including participating in depositions of defense witnesses and assisting with trial preparation.
• In re: Philips Recalled CPAP, Bi-Level PAP, and Mechanical Ventilator Prod. Litig. (W.D. Pa.): Served on the core team executing the firm’s role as co-lead counsel in products liability MDL involving defective CPAP devices; settlements exceeded $1.5 billion.
• In re: JUUL Labs, Inc. Mktg., Sales Practices, & Prods. Liab. Litig. (N.D. Cal.): Served on the core team executing the firm’s role on the Plaintiffs’ Steering Committee in MDL involving e-cigarette marketing and addiction claims; settlements approached $2 billion.
• In re: Capacitors Antitrust Litig. (N.D. Cal.): Represented a class of direct purchasers in nationwide price-fixing litigation involving capacitors; settlements totaled $604.55 million, including settlements with remaining defendants following trial. Contributed to preparation of trial materials including pre-trial materials and in-trial summaries and legal research in support of court-appointed leadership.
• In re: Air Cargo Shipping Services Antitrust Litigation (E.D.N.Y.): Served on the core team executing the firm’s role as co-lead counsel in antitrust class action representing a class of shippers alleging international air cargo carriers conspired to fix prices and surcharges; settlements totaled approximately $1.25 billion.
• In re: Automotive Parts Antitrust Litig. (E.D. Mich.): Represented a class of indirect purchasers in nationwide price-fixing litigation involving numerous automotive component markets; settlements across related actions exceeded $1.2 billion. Participated in discovery, depositions, and motion practice in support of court-appointed leadership.
• In re: Chinese-Manufactured Drywall Products Liability Litigation (E.D. La.): Served on the core team executing the firm’s role as co-lead counsel in products liability litigation involving defective drywall; a settlement with the German defendant provided full remediation for affected homeowners (valued at over $1.1 billion) and settlement with the Chinese defendant provided $248 million to members of the settlement class.
• In re: Mushroom Direct Purchaser Antitrust Litigation (E.D. Pa.): Defended a cooperative of mushroom growers against allegations of, inter alia, price fixing, supply control and monopolization brought under Sections 1 and 2 of the Sherman Act.