Gilead suffers defeat at PTAB in government PrEP battle
06-02-2020
US govt PrEP patents are invalid, Gilead tells court
27-01-2020
Sanders calls on USPTO to block Gilead patent extension
09-12-2019
Gilead challenges US govt patents on HIV drug Truvada
22-08-2019
Gilead claims US government PrEP patents are invalid
20-05-2019