Sesostris III noted:
There is also Apple Corps Ltd, owned by the Beatles. There have been trademark disputes between Apple Inc and Apple Corp Ltd, none of which will affect you buying apples (the fruit)).
And Apple Computer was forced to negotiate a settlement with Apple Corps Ltd in every suit the Beatles' company filed. (They were all related to iTunes, which is all about music - and the Beatles worldwide trademark was established in 1968, so Apple Computers' conflicting mark had no legal leg to stand on.)
Trademarks are, for the most part, geographically limited, and apply fairly narrowly to the product or service to which the mark applies. Thus the Saturn automobile company, the Sega Saturn console, and Saturn Internet Services ALL had trademarks on the name Saturn. None of them conflicted with each other, because each represented a different category of product (cars vs. game consoles) or service (an ISP). Very few trademarks are global. Apple Computer is, and so is Apple Corps Ltd. The conflict arose when Apple Computer decided to get into the music business - and ran into a trademark the Beatles had established more than thirty years earlier. So Steve Jobs changed the service's name to iTunes, paid Apple Corps an undisclosed (but clearly substantial) amount of money, and signed a quitclaim agreement to make it all go away. Once that happened, negotiations began between Apple Corps and Apple Computer to make the Beatles' music available on iTunes - which it now is.
In other news, Shuttleworth over-fucking-reached in a major way. The EFF has set him straight. Let's hope he stays that way.
Unless, y'know, he's gay.