<a href="http://uproxx.files.wordpress.com/2012/03/6937763971_c2f0c8270f.jpg"></a>Apple, <a href="http://www.uproxx.com/technology/2012/02/noted-patent-troll-apple-falls-afoul-of-chinese-copyright-troll/">as we've noted before</a>, is not shy about patent trolling, but they've been discovering that suing their competitors out of existence is kind of hard to do.