Popa v. Microsoft Corporation

Popa v. Microsoft Corporation · United States Court of Appeals for the Ninth Circuit · August 26, 2025 · No. 24-14

Summary

The Ninth Circuit affirmed the dismissal of Ashley Popa’s putative class action against Microsoft for lack of Article III standing. The court held that alleged session-replay tracking of her interactions with a pet-supplies website did not constitute a concrete injury because the information collected was not sufficiently analogous to harms traditionally actionable under common-law privacy torts. The court rejected the argument that a statutory privacy violation alone established concrete injury under TransUnion LLC v. Ramirez.

Court
United States Court of Appeals for the Ninth Circuit
Writing for the Court
Jed S. Rakoff; Johnnie B. Rawlinson; Milan D. Smith, Jr.
Jurisdiction
United States Court of Appeals for the Ninth Circuit
Decision date
August 26, 2025
Docket number
24-14
Procedural posture
Appeal from an order dismissing a putative class action for lack of Article III standing under Federal Rule of Civil Procedure 12(b)(1).
Standard of review
De novo review of a district court's dismissal for lack of standing under Federal Rule of Civil Procedure 12(b)(1).
Precedential value
published
Parties
Ashley Popa, individually and on behalf of all others similarly situated v. Microsoft Corporation
Disposition
affirmed

Topics

standingconstitutional lawmotions to dismissappellate procedureinvasion of privacy

Practice areas

constitutional lawcivil procedureprivacy tortsconsumer protectionappellate procedure

Questions Presented

  1. Whether Popa alleged a concrete injury sufficient to establish Article III standing for claims based on Microsoft's session-replay technology.
  2. Whether an alleged violation of Pennsylvania's Wiretapping and Electronic Surveillance Control Act necessarily constitutes a concrete injury for Article III purposes.
  3. Whether pre-TransUnion Ninth Circuit privacy decisions established a categorical rule that violation of a statute protecting a substantive privacy right automatically confers Article III standing.

Holdings

  1. Popa failed to allege a concrete injury because the tracking of her interactions with the website did not cause harm closely related to a traditionally actionable common-law injury, such as the highly offensive interference or disclosure protected by intrusion upon seclusion or public disclosure of private facts.
  2. A statutory violation alone does not establish Article III standing; the plaintiff must also allege a concrete harm resulting from the violation.
  3. Those Ninth Circuit decisions do not establish a categorical rule that any violation of a statute codifying a substantive privacy right automatically confers Article III standing.

Key quotations

At base—and all we need to acknowledge to decide this case—is that TransUnion requires a court to assess whether an individual plaintiff has suffered a harm that has traditionally been actionable in our nation’s legal system. (13)
In short, there existed no free-roaming privacy right at common law but rather four discrete torts that protected specific kinds of privacy-related harms. (15)
For the reasons stated above, she has not. The district court’s ruling on the motions to dismiss is AFFIRMED. (21)

Factual background

Ashley Popa visited the Pets Supplies Plus website, which was operated by PSP Group LLC and used Microsoft's Clarity session-replay technology. Clarity allegedly recorded and reproduced aspects of her website interactions, including mouse movements, clicks, product views, scrolling, and text input; masking software allegedly omitted her street number and ZIP code from delivery information. Popa alleged that the technology collected her pet-store preferences and street name, and asserted statutory wiretapping and privacy claims.

Procedural history

Popa filed a putative class action alleging violations of Pennsylvania's Wiretapping and Electronic Surveillance Control Act and invasion of privacy based on Microsoft's session-replay technology. The district court transferred the case from the Western District of Pennsylvania to the Western District of Washington, then concluded that Popa lacked Article III standing, dismissed the action without prejudice with leave to amend, and denied Microsoft's Rule 12(b)(6) motion as moot. Popa appealed without further amending the complaint; her appeal as to PSP Group was later dismissed by stipulation, leaving Microsoft as the appellee.

Court Document

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