| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP2289531 | Medicaments For Increasing Endogenous Erythropoietine (Epo) | FIBROGEN, INC. | Feb 19, 2020 |
| EP2322153 | Use Of Hif Alpha Stabilizers For Enhancing Erythropoiesis | FIBROGEN, INC. | Jun 26, 2019 |
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