I think apple have a case with the galaxy S and Galaxy Ace, they look very much like the 3GS and are a bit took close for comfort.
Not the tablets though. The galaxy tabs don't really look like iPads at all or at least look like iPads as much as any other tablet does. Different aspect ratios, sizes, backs, no button on front, different OS, don't really understand how apple managed to be granted an injunction in Germany. They clearly look like different products.
I am not sure which new phone in the galaxy series it is but Samsung have a new one that looks like a iPhone 4, i saw the ad in the metro over the weekend. Its a pretty blatant copy of the look.
From what I read I think their(Apple) problem is that parts for both products seem to be made in the same factory.
So I would take a stab and say Apple thinks that Samsung took a look at their notes and copied some of their answers.
Apple sources their screens and many of their other components from Samsung (processor, memory etc), but iPhone/iPad lines are done by Foxconn, part of their computer and ipod line are done by 3M and Foxconn, some of their other products are done by a few other manufacturers. Samsung assembles all their stuff pretty much in house, samsung has a lot of massive (and i do mean massive) factories in China.