74% of Patent Lawsuits Filed by Practicing Entities
Thanks to Professor Crouch for nicely summarizing data from the The Patent Troll on patent litigation statistics for January 2008. [LINK] According to Crouch,
PTT continues to find that most patent law suits (74%) are filed by companies who manufacture or sell an associated product. However, because non-practising entities tend to sue multiple defendants only slightly more than half (58%) of defendants are sued by a practising entity.