Warner Bros successfully patented âShadow Of Mordorâ Nemesis system The patent has been passed after five years of trying Warner Bros application for a patent on Middle-Earth: Shadow Of Mordor’s Nemesis System has finally been granted. IGNreports that the US Patent and Trademark Office released an issue notice on February 3 2021, stating that the patent would go into effect on February 23 2021. Advertisement As NME reported last week, WB first attempted to patent the Nemesis System came in 2016, but it had not been accepted. In 2019 it was listed as pending on GooglePatents after Warner Bros had pushed to continue pursuing the patent.