The Federal Trade Commission voted 3-1 in favor of the filing.
According to sources, Microsoft has been readying its legal defenses against a potential lawsuit in response to the titanic deal.
The saga of the game’s development is fraught with controversy.
Sony continues to stir the pot.
Concept artist Sail Lin posted on Twitter about the alleged infringement.
Employees demand better protections and remote working options.
The acquisition was announced just one day after the decision to cease Spellbreak development was made public.
Last month, the board of directors urged shareholders to decline the report.
CEO Bobby Kotick’s decision comes as Microsoft faces continued scrutiny over its bid to acquire Activision Blizzard
The family previously brought a suit against the company in March.