Registered entities
Merrimack Pharmaceuticals, Inc.
Reg. No. 43210530United States
Merrimack Pharmaceuticals Inc
Reg. No. 1274792United States
Innovation
117 patent families (33 granted) — focus: Chemistry & metallurgy, Human necessities, Physics & computing, Operations & transport; filing pace slowing. Cited 12,732 times.
| Year | Filings |
|---|---|
| 2014 | 31 |
| 2015 | 31 |
| 2016 | 39 |
| 2017 | 62 |
| 2018 | 39 |
| 2019 | 19 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Investor mix
11 investors on record; lead investors include TPG-Axon Capital.
| Investor type | Count | Share |
|---|---|---|
| Venture capital | 3 | 27% |
| Private equity | 3 | 27% |
| Bank & private debt | 3 | 27% |
| Other / undisclosed | 2 | 18% |