Data and AI in court

433 active cases · 9 dates ahead

CMA: Microsoft/OpenAI partnership antitrust case

Regulator

Competition and Markets Authority

acted against

The CMA concluded Microsoft had not acquired control over OpenAI's commercial policy, so the partnership fell outside UK merger rules.

The case

Regulator
Competition and Markets Authority
Opened
Dec 8, 2023 case opened Source
Decided
Mar 5, 2025
Status
Closed
Outcome
The CMA found Microsoft's partnership with OpenAI did not qualify for merger investigation.

History

2 dated entries
DecisionMar 5, 2025 · 20mo agoCMA: Microsoft/OpenAI partnershipSource
FilingDec 8, 2023 · 2.9y agoCase openedSource
AntitrustActiveUnverifiedfiled Oct 2026CMA: LidlPotential designation of Aldi and Lidl under the Groceries Market Investigation (Controlled Land) Order 2010UK CMAAntitrustActiveUnverifiedfiled Oct 2026FTC: PublicisFTC Order Preserves Competition in Digital Advertising Ecosystem as Part of Publicis’s Acquisition of LiveRampFTCAntitrustActiveUnverifiedfiled Oct 2026California AG: LyftAttorney General Bonta, City Attorneys of San Francisco, San Diego, and Los Angeles, Labor Commissioner, and Private Plaintiffs Reach Landmark $272.5 Million Settlement Securing Monetary Relief for Misclassified Lyft DriversCalifornia Attorney GeneralCopyrightActivefiled Sep 2026Times Publishing Co. sued v. Microsoft and OpenAITimes Publishing Company alleges Microsoft and OpenAI used its newspaper content without a license to train and run AI products.S.D. N.Y.Consumer protectionActivefiled Sep 2026A.C. sued v. Altman (Tumbler Ridge)Lead case among about 30 coordinated suits by survivors and families of the Tumbler Ridge, British Columbia school shooting alleging OpenAI flagged the shooter's ChatGPT account but failed to warn police.N.D. Cal.AntitrustActiveUnverifiedfiled Aug 2026FTC: ZillowFTC Secures Order Resolving Antitrust Concerns with Zillow-Redfin AgreementFTCCopyrightActivefiled Aug 2026Sullivan sued v. OpenAIProposed class action alleging OpenAI trained on copyrighted works without permission; filed as a companion to Sullivan v. Meta in California.S.D. N.Y.AntitrustDecidedfiled Jul 2026EU Commission: Google DMA finesIn two non-compliance decisions, the Commission found Google favoured its own services in Search results and restricted app developers on Google Play from steering users to other purchase channels.EUR 890 millionEuropean Commission
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