Microsofts cloud ambitions just hit a major snag in the UK.
Maria Luisa Stasi, the lead claimant, argues this forces UK businesses into Azures arms and stifles competition.
Backed by litigation funder LCM Funding, the case claims Microsofts pricing practices exploit its dominance in operating systems.

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Microsoft has not yet responded to our request for comment.
Big tech under the microscope
Microsofts legal headaches arent just about the cloud.

Regulators in the UK and the EU are tightening the noose on other big tech companies too.
The court found that Apple had benefittedfrom substantially and artificially lowered tax in Ireland since 1991.
With this latest lawsuit, Microsofts cloud dominance may face a reckoning.

Whether the case delivers real change or just more legal bills remains to be seen.
Story bySion Geschwindt
Sion is a freelance science and technology reporter, specialising in climate and energy.