They'd probably (or I hope they would) ask nicely first, cease-and-desist second, and sue as a last resort. Whether or not Microsoft allows the use may not be

They'd probably (or I hope they would) ask nicely first, cease-and-desist second, and sue as a last resort. Whether or not Microsoft allows the use may not be fully at their discretion; or rather their earlier choices could tie their hands in regards to later choices if things go south. This is a short read on the kinds of issues that start to crop up when you don't agressively enforce your trademarks: https://www.forbes.com/sites/oliverherzfeld/2013/02/28/failure-to-enforce-trademarks-if-you-snooze-do-you-lose/?sh=4e25dec66c22 https://www.forbes.com/sites/oliverherzfeld/2013/02/28/failu...