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Buist et al v. Anthropic, PBC et al

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Case overview

Case Number:

3:26-cv-10693

See also:

Court:

California Northern

Nature of Suit:

Anti-Trust

Multi Party Litigation:

Class Action

Judge:

Nathanael M. Cousins

Companies

Sectors & Industries:

  1. October 27, 2026

    AI Users Say SpaceXAI Can't Split, Arbitrate Slowdown Suit

    Artificial intelligence users urged a California federal judge Tuesday not to let SpaceXAI separate itself from their proposed class action accusing it, Anthropic, OpenAI and Google of violating antitrust law through their "pace the frontier" collaboration slowing down AI development, attacking the Elon Musk-owned company's efforts to invoke arbitration.

  2. September 21, 2026

    AI Cos. Hit With Antitrust Suit Over Deal To 'Pace The Frontier'

    Artifical intelligence users in Florida and California have accused Anthropic, OpenAI, SpaceX and Google of illegally restraining competition by publicly agreeing to "pace the frontier" and collectively slow down their AI development.