In my opinion, despite the protests, the logo has clear similarities to Pinterest's, and my first impression would be that it's trying to glom off of Pinterest's popularity.<p>I am aware they aren't identical, but that's not the relevant measure. The question is, could they confuse an average person, and in my opinion, yes. It is ultimately a question of what the judge would think, but I sure wouldn't care to stand in front of a judge and make that argument.