Creating a surprise twist in the portable music wars, the U.S. Patent and Trademark Office has denied (New Mobile Computing)

Creating a surprise twist in the portable music wars, the U.S. Patent and Trademark Office has denied (New Mobile Computing)
Apple’s application to patent its method of using hierarchical menus to navigate through the iPod’s contents. The basis for the denial: a similar method outlined in a Microsoft researcher’s patent application, filed after the iPod was introduced but before Apple sought its own patent.