content: I know I'm going to sound like a corporate shill for saying this, but you're an idiot.  Are they trying to say they own a trademark to an entire range of blue hues? I wouldn't doubt if they did but who the fuck granted that retardation?  Ridicule the specific elements all you want, but what matters is the sum total: it's a stylized P against nothing but a background. The big impact would come from the inverted colors and Paypal's second P.  The mobile screen "real estate" argument is retarded. There is a nearly unlimited amount of space on mobile screens and nobody is going to remove Paypal from their phone because of the Pandora app.  Have you ever actually used a smart phone? Screen space, especially on app lists, is extremely limited. If you have to pick one of two very similar icons, you'll need to stop and think before tapping(disrupting your workflow). And, while some will create shortcuts to the apps at known points on their home screens even if they haven't prior, a good deal will remove one app or the other out of frustration with hitting the wrong one. Just because you can rattle off a bunch of technical differences in the fontface doesn't mean Paypal doesn't have a case, especially since Pandora adopted the logo recently, well after Paypal established its.