Registered entities
Fibrogen Inc
Reg. No. 921299United States
Innovation
99 patent families (59 granted) — focus: Chemistry & metallurgy, Human necessities, Physics & computing, Emerging technologies; filing pace slowing. Cited 12,502 times.
| Year | Filings |
|---|---|
| 2015 | 27 |
| 2016 | 16 |
| 2017 | 18 |
| 2018 | 11 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 8 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 1 |
Investor mix
28 investors on record; lead investors include Adage Capital Management; 1 has since exited.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 10 | 36% |
| Private equity | 7 | 25% |
| Angel & family office | 1 | 4% |
| Bank & private debt | 1 | 4% |
| Other / undisclosed | 9 | 32% |