Here is a good article I found over on the EFF site,
The entire article may be read here:
https://www.eff.org/deeplinks/2012/12/tough-times-trolls-and-their-copyright-negligence-scheme
Quote
Despite at least five smackdowns by federal judges, copyright trolls are still accusing Internet subscribers of "negligently" allowing someone else to download porn films without paying. Last week, subpoena defense attorney Morgan Pietz fought back by asking the Northern California federal courts to put all of the open "negligence" cases filed by a prolific troll firm in front of a single judge - a judge who already ruled that the "negligence" theory is bogus.
The entire article may be read here:
https://www.eff.org/deeplinks/2012/12/tough-times-trolls-and-their-copyright-negligence-scheme