Antitrust regulators in the EU have joined their British counterparts in scrutinising Microsofts alliance withOpenAI.
If such a review is required, it could put the multibillion-dollar deal in danger.
The EUs announcement comes just weeks after British regulators made a similar move.

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Microsoft also became embroiled in the recent saga over the leadership of OpenAI.
After CEO Sam Altman was controversially ousted in November, the Windows maker pushed for his reinstatement.
Altman was rehired days later.
Despite the growing ties between the companies, Microsoft noted that it doesnt own any equity stake in OpenAI.
The only thing that has changed recently is that Microsoft will now have a non-voting observer on OpenAIs Board.
The EU will now scrutinise those arrangements.
Anyinterested parties shouldsubmit their viewson the deal by March 11.
Story byThomas Macaulay
Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he e(show all)Thomas is the managing editor of TNW.
He leads our coverage of European tech and oversees our talented team of writers.
Away from work, he enjoys playing chess (badly) and the guitar (even worse).