Edward Lewis et al. v. Magnite, Inc.

Published by Crandall Consulting · Informational litigation intelligence · Last substantive update: September 18, 2026

Docket / citation: No. 2:25-cv-03448

Summary

A federal district court in C.D. Cal. denied class certification in Edward Lewis v. Magnite, Inc., relying on the Ninth Circuit's Popa v. Microsoft decision to conclude that individualized Article III standing inquiries would predominate in a CIPA action. The court's decision addressed predominance and standing at the class-certification stage and did not decide the merits of the underlying privacy claims.

Litigation Status

Status, direction, and weight describe how tracked public sources characterize this matter as of our last review — they are informational classifications, not legal assessments.

Procedural Posture

Decision on class certification motion at the district (C.D. Cal.) level; the court denied class certification under Rule 23(b)(3) after applying Ninth Circuit precedent on Article III standing.

Reported Holding

The district court relied on the Ninth Circuit's decision in Popa v. Microsoft to conclude that individualized inquiries into whether each putative class member suffered a concrete injury under Article III would predominate, and denied class certification under Rule 23(b)(3) in a CIPA action.

What the Court Decided

The court found that, applying Popa v. Microsoft, individualized standing questions would predominate over common issues in the putative class and therefore denied class certification under Rule 23(b)(3).

What the Court Did Not Decide

The court did not resolve the underlying merits of the plaintiffs' CIPA claims; the decision focused on predominance and Article III standing at the class-certification stage.

Significance

Generally viewed as defense-favorable. Characterizations of significance describe how the matter has generally been discussed in tracked public sources; individual holdings are often narrow, procedural, or fact-specific, and this page does not state or imply broader holdings than the sources support.

What This Page Does and Does Not Say

This page reports what our tracked public sources say about this matter — including, where identified, the procedural posture (for example, a ruling on a motion to dismiss is not a final merits decision). It does not report legal conclusions beyond those sources, does not predict outcomes, and does not constitute legal advice.

Technologies at Issue

• adtech
• session-replay

Third parties named or identified in tracked sources: Magnite, Microsoft, Pet Supplies Plus.

Statutes Invoked

• California Invasion of Privacy Act (CIPA) — all-party consent · private right of action

Claims Asserted

Claims identified in tracked public sources; pleadings may include additional or amended claims.

• California Invasion of Privacy Act (CIPA)
• Article III standing
• intrusion upon seclusion (common law, discussed in Popa)

What This Matter May Mean for Website Operators

California Invasion of Privacy Act (CIPA) is an all-party consent statute with a private right of action. Consent standard and private enforceability are the structural features that most shape where website tracking claims are filed and how they are valued.

For operators using similar technologies, the recurring factual questions in matters like this one are when session recording begins relative to consent and whether input masking covers every field. Our scanner tests these behaviors empirically.

The reported outcome direction at the class certification stage reflects how tracked sources characterize the ruling; such rulings are often narrow, posture-specific, and fact-bound rather than broad statements of law.

Detection of a similar technology on a website is an informational risk indicator, not a legal conclusion, and nothing in this section is legal advice.

Related Intelligence

Sources

• California District Court Relies on Popa v. Microsoft to Deny Class Certification, Finding Individualized Questions of Class Member Standing in CIPA Action — Mayer Brown · Tier C (Professional analysis) · 2026-08-03

About This Page

Publisher: Inspection-Ready Institute, Inc. (DBA Crandall Consulting), an independent website compliance and risk consultancy. We are not a law firm and nothing on this page is legal advice.

How this content is produced: Facts are extracted from publicly available sources — court and government materials, recognized legal press, professional analysis, and industry reports — by our litigation intelligence engine, stored with full source provenance, and rendered from the database. Risk guidelines are computed by a deterministic formula, never by an AI model directly. See the full methodology.

Limitations: Counts labeled "Tracked" reflect matters identified in our source set and are not official court statistics. We report what courts decided and did not decide; we do not predict outcomes.

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