Seems like a slam-dunk leaked photos = prior art.
Your friend's assault case - he's not a multi-billion dollar company with a massive investment in the mainland.
Chinese consumers don't simply love him, like they do Apple products. (First-hand experience.)
I notice the Goophone people are based in Hong Kong where the rule of law is quite a bit stronger.
Apple have the money, they have the relationships. This whole thing is clearly grandstanding on the Goophone people's part.
I am willing to put cash money on the line to say it's inconsequential to Apple launching the iPhone 5 on the mainland. There will be a delay - the usual delay for Apple products that mainland China experiences and nothing to do with this knockoff junk.