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The UK’s Competition and Markets Authority has turned down an invitation to review confidential materials that could potentially influence its probe into Microsoft’s cloud licensing practices, according to a claimant suing the company.

The Microsoft and ValueLicensing legal tussle will enter an appeals phase this month, attracting the attention of a multibillion-pound class action against the Windows giant.

Additional reasons for the reasoned order of 6 February 2026.

The Defendants’ Stay Application is granted.

"Microsoft's switch to a copyright claim might - pending appeal - have backfired, as a subsequent deeper dive into the From SA program could leave the company wishing it had simply gone down the route of a no-fault settlement years ago, before the stakes started getting higher."