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Reddit Inc v Anthropic PBC

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Case Information
Case name Reddit Inc v. Anthropic PBC[1]
Court Superior Court of California, County of San Francisco (following federal remand)[1]
Docket CGC-25-625892; federal removal case 3:25-cv-05643-TLT[1]
Filed June 4, 2025 (state action)[2][1]
Judge(s) Trina L. Thompson (federal remand); state judge not verified[1]
Plaintiffs Reddit, Inc.[1]
Defendants Anthropic PBC[1]
Case type Civil contract and related state-law action[1]
Claims / issues Contract, unjust enrichment, trespass to chattels, tortious interference and unfair competition[1]
Status September 18, 2026 docket: demurrer overruled as to breach of contract, interference with contract and UCL claims; sustained with leave to amend as to unjust enrichment and trespass to chattels.[3][1]

Reddit Inc v. Anthropic PBC is a civil contract and related state-law action in Superior Court of California, County of San Francisco (following federal remand).[1]

Claims and issues

Contract, unjust enrichment, trespass to chattels, tortious interference and unfair competition.[1]

Procedural history

The federal remand order was signed March 28 and filed March 30, 2026, returning the action to San Francisco Superior Court.[1]

September 18, 2026 demurrer disposition

The state-court docket records an order overruling Anthropic’s demurrer to Reddit’s breach-of-contract, interference-with-contract and Unfair Competition Law causes of action. It records that the demurrer was sustained with leave to amend for unjust enrichment and trespass to chattels. Thus three claims survived the pleading challenge and two required amendment; this was not a finding that Anthropic had unlawfully scraped data or a final judgment on liability.[3]


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 Court filing / case record, reviewed September 7, 2026
  2. ↑ Reddit v. Anthropic, stamped original complaint, filed June 4, 2025, p. 1
  3. ↑ 3.0 3.1 San Francisco Superior Court docket, CGC-25-625892, September 18, 2026 operative demurrer entry, reproduced by Trellis.
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