Apple has been awarded a patent for the iTunes icon found in iOS. It's that square with rounded edges and the music notes in it.
The claim is as follows:
The ornamental design for an icon for a portion of a display screen, as shown and described.
And the description:
If anything, this just goes to show us that having your own UI like iOS can be a tedious process of patents and trademarks, then hoping they get approved. Then being sued cause a patent troll finds something similar that they've been sitting on for 10 years in hopes that someone finds it and cashes in.