Executive Chairman Eric Schmidt may have primarily been at Google's Mobile Revolution conference in Tokyo to talk about the company's ambitious goals for Asia, but it turns out he was also quite ready to discuss the myriad of patent lawsuits swirling around the mobile industry these days -- or "legal fun," as Schmidt put it. While not directly referring to any company by name, Schmidt said that because of Google's success with Android, "competitors are responding with lawsuits as they cannot respond through innovations," although he added that he's "not too worried about this." Schmidt did specifically comment on HTC's current situati