[Drdrdrq]

You mean like this?

> Just because your company is named Microsoft doesn't mean you have a perpetual and exclusive right to use that name wherever you want.

Hmmm. :)

[YorickPeterse]

There's a thing called trademarks, and the case is indeed different for those. But even in that case, one would have to file some sort of dispute; you don't necessarily get to use the name everywhere forever, no questions asked.