Here's a good article from the past:
The announcement came on behalf of a group of Acacia litigants who decided independently to challenge Acacia's streaming media patent claims. The group includes VS Media, Homegrown Video, TopBucks, GameLink, LightSpeed Entertainment, AEBN, Sunup Media, Webmaster Paradise, Adult Revenue Service, and others.
http://business.avn.com/articles/14006.html