Foreign investment blah. I read SCOTUS, CAFC decisions, Landis & Posner, or Muerer. No U.S. patent practitioner/scholar/court ever talks about how the U.S. should modify it's patent system to promote foreign investment in U.S. Everyone talks about "U.S. innovation" and "domestic industry."
So in fairness, I think Chinese patent law should be judged by it's ability to promote Chinese innovation. This is what impresses me about the 2009 (Third) Amendment to patent law. The Second Amendment in 2000 was basically a response to WTO, and it follows the TRIPs model of "we put up with patent law to attract FDI." If that's China's view of patent law, of course it will do everything it can to twist the doctrines and make foreigners suffer.
But the 2009 Amendment began as discussions about improving the patent law to provide clarity and to encourage innovation. I think this is what counts--a move to internalize patent law for China's own sake. Now there is an emerging patent consuming industry in China, that domestic stakeholder will create internal pressure to establish good patent practice and enforcement. And when domestic business start to look more like foreign business (Lenovo, Haier, etc.), it will be harder for courts and offices to play favorites within the confines of patent law. At least that's my hope anyways.
Peter Yu and William Hennessey are some of the more insightful U.S. academic observers (read: law professors) on the state of IP in China. You might gain some insight on reading their work. U.S. Government can't even figure out how it thinks about U.S. Patent Law. Legislative branch is deadlocked (2005, 2006, 2007, 2008, 2009 dead patent law reform). Executive branch is spanked (Tafas v. Dudas). Judicial Branch wants lesser patents with less certainty (KSR, eBay, LG, and now Bilski for sure). 10 years after we pushed no-field-of-technology-should-be-discriminated-TRIPs on China and the world, Mark Lemley now says U.S. Patent law is broken because it treats all technology equally. Say what? I think U.S.T.R. is not yelling at China about IPR issues these days because, frankly, it's kind of embarrassing when your own house is a mess.
To be sure, if I am a U.S. business moving to China, it's not because I love the Chinese patent law. It's because the market/resource/labor etc is there. So, if at the end of the day I decide to go to China because of market/resource/labor, then I will be a fool to ignore the Chinese patent application/trademark registration. Some protection is better than no protection.