So they violated design patents but not trade dress? What's the difference?
After reading more of the judgement, I have to add to my previous post about Apple losing awards for unregistered trade dress.
Turns out that Apple also lost the trial's infringement award for a registered piece of trade dress, their trademarked (US registration 3470983) group of icons shown here:

In fact, the appeals court didn't even bother to look at Samsung's arguments on this topic. They didn't need to.
Apple's law firm was defeated by their own experts' claims that these were easily recognizable icons, arranged in a space-saving grid, in order to "promote usability".
All of which means that the icons and the grid arrangement are functional design elements (NOT decorative), and therefore as a group do not make up any protectable trade dress.
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Hmm. I wonder if that's why Apple came up with that bizarrely shaped default cluster of unlabeled round icons on the Apple Watch. It'd be difficult for someone to say it was obviously functional. Or has Apple claimed that design promotes usability?
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