- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/566 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. oestrane, oestradiol having an oxo group in position 17, e.g. oestrone
Patent holdings for IPC class A61K 31/566
Total number of patents in this class: 302
10-year publication summary
|
32
|
28
|
23
|
20
|
35
|
31
|
34
|
28
|
18
|
18
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 20137 |
15 |
| Regeneron Pharmaceuticals, Inc. | 4362 |
6 |
| Skintech Life Science Limited | 21 |
6 |
| Washington University | 1628 |
6 |
| GTO Pharma, LLC. | 6 |
6 |
| Sage Therapeutics, Inc. | 368 |
5 |
| Agile Therapeutics, Inc. | 46 |
4 |
| Icosagen Cell Factory OU | 18 |
4 |
| ITF Research Pharma, S.L.U. | 19 |
4 |
| Replicor Inc. | 23 |
4 |
| Universite Laval | 717 |
4 |
| JangoBio, LLC | 7 |
4 |
| Board of Regents, The University of Texas System | 5884 |
3 |
| The Board of Trustees of the University of Illinois | 2711 |
3 |
| Aihol Corporation | 29 |
3 |
| Forendo Pharma Ltd. | 18 |
3 |
| Shanghai Jiao Tong University | 1231 |
3 |
| Shimoda Biotech (Pty) Ltd. | 6 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3186 |
3 |
| Windtree Therapeutics, Inc. | 39 |
3 |
| Other owners | 210 |