http://u.qdnx.org/file/fsf-20190201T175241-8a3rb3y.html
Some important stories regarding the pathology of the patent system: Jarek Duda, creator of the ANS coding system (and victim of a patent attempt by Google -- see https://u.fsf.org/2fx) shared this similar story from Patent Pandas: https://u.fsf.org/2r7