https://clarivate.com/intellectual-property/lp/global-patent-renewal-trends-unpicking-what-survives/
Global patent renewal trends: Unpicking what survives | Clarivate
patent renewalglobaltrendssurvivesclarivate
https://www.nexttv.com/news/rovi-dish-sign-10-year-patent-license-renewal-158972
Rovi, Dish Sign 10-Year Patent License Renewal | Next TV | Broadcasting+Cable
Aug 22, 2016 - Dish also agrees to no-sue clause with TiVo, which is being acquired by Rovi
patent license