- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/58 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
Patent holdings for IPC class A61K 31/58
Total number of patents in this class: 2901
10-year publication summary
|
214
|
242
|
222
|
228
|
231
|
223
|
213
|
217
|
199
|
131
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sage Therapeutics, Inc. | 365 |
111 |
| Chiesi Farmaceutici S.p.A. | 968 |
33 |
| Seed Health, Inc. | 154 |
31 |
| AstraZeneca AB | 2898 |
24 |
| Pop Test Oncology Limited Liability Company | 27 |
23 |
| The Regents of the University of California | 20015 |
21 |
| Janssen Pharmaceutica N.V. | 3376 |
21 |
| Glenmark Specialty S.A. | 77 |
21 |
| Dr. Falk Pharma GmbH | 167 |
20 |
| Regeneron Pharmaceuticals, Inc. | 4303 |
19 |
| Emory University | 1625 |
17 |
| Novartis AG | 10727 |
15 |
| The Johns Hopkins University | 5689 |
15 |
| Reata Pharmaceuticals, Inc. | 123 |
15 |
| Forendo Pharma Ltd. | 18 |
14 |
| Lyra Therapeutics, Inc. | 55 |
14 |
| Boehringer Ingelheim Vetmedica GmbH | 1274 |
13 |
| Astellas US LLC | 183 |
13 |
| Enanta Pharmaceuticals, Inc. | 428 |
13 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 832 |
13 |
| Other owners | 2435 |