Pambuyo pa chitetezo adalumikizana Open Invention Network (OIN), bungwe lodzipereka kuteteza chilengedwe cha Linux ku zonena za patent. OIN inasonkhanitsa gulu la maloya kuti afufuze kuti patent isagwiritsidwe ntchito ndipo inayambitsa njira yofufuzira umboni wogwiritsira ntchito kale matekinoloje ofotokozedwa mu patent (Prior art).
Rothschild Patent Imaging LLC ndi njira yachikale ya patent, yomwe imakhala makamaka poyimba milandu yaying'ono yoyambira ndi makampani omwe alibe zothandizira pakuyesa kwanthawi yayitali ndipo ndiosavuta kubweza. Pazaka 6 zapitazi, troll uyu wapereka milandu yofanana 714. Rothschild Patent Imaging LLC ili ndi chidziwitso chokha, koma sichichita ntchito zachitukuko ndi kupanga, i.e. Sizingatheke kuti abweretse chigamulo chotsutsana ndi kuphwanya malamulo ogwiritsira ntchito ma patent pazinthu zilizonse. Mutha kuyesa kutsimikizira kusagwirizana kwa patent potsimikizira zowona zakugwiritsa ntchito kale matekinoloje ofotokozedwa mu patent.