Rambus' litigation page in their case with Hynix. We've come a long way and still a long way to go if it goes anything like this one. Positive is that Rambus won a $312M settlement from Hynix. Negative is that you get a headache contemplating this process, which is still ongoing!
http://investor.rambus.com/downloadCenter.cfm?CategoryList=Hynix%20vs%20Rambus