Adding to the Tally: Another Court Denies Bid for Class Certification in Cookie Tracking Case – Consumer Finance Monitor
CFPB, Federal Agencies, State Agencies, and Attorneys General
On July 20, 2026, another California federal court denied class certification in a putative privacy class action involving a company’s cookie-based advertising platform. Lewis v. Magnite, Inc., 2:25-cv-03448-MWC-SSC (C.D. Cal. July 20, 2026). The plaintiffs alleged that Magnite secretly installed tracking cookies—called “khaos IDs”—on users’ browsers to collect data for targeted advertising. The claims included violations of the federal Wiretap Act (ECPA) and California Invasion of Privacy Act (CIPA), among other privacy-based claims.
Why the Court Said “No” to Class Certification
The court found multiple fatal flaws in the plaintiffs’ certification bid:
What This Means for Your Business
This decision underscores that class certification in tracking and cookie cases is far from automatic. Courts are scrutinizing whether plaintiffs can demonstrate classwide harm, identify class members, and overcome individualized consent defenses. For companies that rely on advertising technology, the case offers both reassurance and a roadmap:
by the Consumer Financial Services Group at Ballard Spahr LLP
source
This article was autogenerated from a news feed from CDO TIMES selected high quality news and research sources. There was no editorial review conducted beyond that by CDO TIMES staff. Need help with any of the topics in our articles? Schedule your free CDO TIMES Tech Navigator call today to stay ahead of the curve and gain insider advantages to propel your business!
On July 20, 2026, another California federal court denied class certification in a putative privacy class action involving a company’s cookie-based advertising platform. Lewis v. Magnite, Inc., 2:25-cv-03448-MWC-SSC (C.D. Cal. July 20, 2026). The plaintiffs alleged that Magnite secretly installed tracking cookies—called “khaos IDs”—on users’ browsers to collect data for targeted advertising. The claims included violations of the federal Wiretap Act (ECPA) and California Invasion of Privacy Act (CIPA), among other privacy-based claims.
Why the Court Said “No” to Class Certification
The court found multiple fatal flaws in the plaintiffs’ certification bid:
What This Means for Your Business
This decision underscores that class certification in tracking and cookie cases is far from automatic. Courts are scrutinizing whether plaintiffs can demonstrate classwide harm, identify class members, and overcome individualized consent defenses. For companies that rely on advertising technology, the case offers both reassurance and a roadmap:
by the Consumer Financial Services Group at Ballard Spahr LLP
source
This article was autogenerated from a news feed from CDO TIMES selected high quality news and research sources. There was no editorial review conducted beyond that by CDO TIMES staff. Need help with any of the topics in our articles? Schedule your free CDO TIMES Tech Navigator call today to stay ahead of the curve and gain insider advantages to propel your business!


