CourtListener records show United States v. OpenAI OpCo LLC (4:26-sw-00180, E.D. Ark., filed Sept 21, 2026), consisting of a sealed application and affidavit for a search or seizure warrant, a magistrate judge's sealed order granting it, and a sealed issued warrant. All substantive documents are sealed, so the alleged conduct, the requesting agency, and the subject matter are not disclosed. The filing confirms a federal law-enforcement action against a major AI vendor but cannot yet be tied to any specific operational, financial, or legal exposure until materials are unsealed.
213 other tracked developments touching the same claims.