"Large multinational software companies like Apple, Microsoft, and Google, rarely - if ever - initiate patent infringement lawsuits against other software companies, probably because they themselves infringe on lots of patents too. However, they do get sued themselves by smaller companies. Even though the Christian part of the world is all about forgiveness and love and pink ponies during the holidays (or, at least, they ought to be), Apple, Google, and Microsoft have been struck by a patent infringement lawsuit started by Cygnus Systems. […] What is getting ridiculous? The fact that all these "trolls" are appearing, or the fact that this does not look like a troll at all and still is (I think misleadingly) referred to as a troll? Look e.g. at Patently-O writer, Dennis Crouch, who puts out a working definition of a patent troll. "The patent troll waits for others to independently develop the patented technology into useful products and to create a market for those products.""