With only the rounded-corner rectangle line solid, it's clear that this design patent only covers a single element: how a tablet (or, more broadly, portable display unit) balances the proportions ...

Apple has been granted a patent so vague it may never be able to use it. The patent covers the outer shape of a device - a rectangle with rounded corners. The design is defined by a single line ...

Apple finally gets its patent on a rectangle with rounded corners But is it too broad to use?