FIBROGEN INC patents facing oppositions

Top patents of FIBROGEN INC facing oppositions at the European Patent Office (EPO).

Patent Number Grant Date Patent Title Expected Expiration Date Facing Oppositions Activity Alert
EP2322153B1 08 Oct, 2014 Use of HIF Alpha stabilizers for enhancing erythropoiesis Jun, 2024 4
EP2324834B1 08 May, 2019 Methods of Increasing Endogenous Erythropoietin (EPO) Dec, 2022 1