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Kahn v Anthropic PBC

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Case Information
Case name Kahn and Smith v. Anthropic, PBC[1]
Court U.S. District Court for the Northern District of California[1]
Docket 3:26-cv-05763-AGT[1]
Filed June 14, 2026 (original complaint); September 8, 2026 (consolidated complaint)[2][1]
Judge(s) Magistrate Judge Alex G. Tse[3][1]
Plaintiffs Karl Kahn and Solomon Smith, individually and on behalf of proposed classes[1]
Defendants Anthropic, PBC[1]
Case type Proposed consumer class action[1]
Claims / issues Allegedly misleading Claude Max subscription usage and savings representations; California consumer-protection and contract claims[1]
Status A consolidated complaint was filed September 8, 2026. No later disposition was verified in the sources reviewed.[1]

Kahn and Smith v. Anthropic, PBC is a proposed consumer class action concerning Anthropic's marketing of the Claude Max 5x and Max 20x subscription plans. The plaintiffs allege that advertised usage multiples and a claimed savings comparison misled subscribers; those are allegations, not judicial findings.[1]

Background and allegations

Karl Kahn filed the original action on June 14, 2026. The September 8 consolidated complaint names Kahn and Solomon Smith as plaintiffs. They allege that the Max 5x and Max 20x plans delivered less usage relative to the Pro plan than Anthropic advertised, and that undisclosed limits affected paid subscribers.[2][1]

The consolidated complaint asserts claims under California's Consumers Legal Remedies Act, False Advertising Law and Unfair Competition Law, along with negligent misrepresentation, breach of contract and breach of the implied covenant of good faith and fair dealing. It seeks damages, restitution and equitable relief. The filing requests class treatment; it does not establish that a class has been certified.[1]

Procedural history

The original complaint was filed June 14, 2026, as ECF 1 in case 3:26-cv-05763. The consolidated complaint was filed September 8 as ECF 37 under case 3:26-cv-05763-AGT. This article describes the latest filing verified in the reviewed record; a subsequent ruling or current docket status has not been established.[2][1]

See also

References

  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 Kahn and Smith v. Anthropic, consolidated complaint, ECF 37, filed September 8, 2026, pp. 1–3, 23, 29–37
  2. ↑ 2.0 2.1 2.2 Kahn v. Anthropic, original complaint, ECF 1, filed June 14, 2026, pp. 1–3
  3. ↑ AI lawsuit tracker, reproduced docket entry assigning Magistrate Judge Alex G. Tse, June 15, 2026
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