They could file suit in the US, but this will likely not have any effect as Chinese courts rarely will enforce US Judgements. Filing suit in China would likely

They could file suit in the US, but this will likely not have any effect as Chinese courts rarely will enforce US Judgements. Filing suit in China would likely have more effective results, but this requires a great deal more time and effort, understanding of a completely different legal system, and faith in that system. Really, most Chinese companies really can just say "So sue me" and close the door.