According to “’Patent flipping’, market making and patent trolls” there is an emerging market as users purchase patents for technology they need, but do not own. But a few, labelled “patent trolls” purchase patents to seek payment from those who cannot afford to defend themselves in
multi-million dollar trials. Research shows “aggressive trolls” held 17% of patents held by non-practicing entities but initiated 37% of patent litigation. The large firms hold 77% of the patents, but initiated only 17% of patent litigation. The article was published in the September issue of Intellectual Property Magazine,
