Dr. Roy Schestowitz (罗伊)#Coolpad files lawsuit against #Xiaomi for #patent infringement https://www.techradar.com/news/coolpad-files-lawsuit-against-xiaomi-for-patent-infringement https://www.gizbot.com/mobile/news/coolpad-xiaomi-patent-infringement-lawsuit-050404.html not the start of it: http://techrights.org/2018/01/30/chinese-giants-use-patents/