- 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: 298
10-year publication summary
|
35
|
30
|
24
|
22
|
37
|
33
|
35
|
29
|
19
|
8
|
| 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 | 19752 |
15 |
| Regeneron Pharmaceuticals, Inc. | 4182 |
6 |
| Skintech Life Science Limited | 19 |
6 |
| Washington University | 1588 |
6 |
| GTO Pharma, LLC. | 6 |
6 |
| Sage Therapeutics, Inc. | 352 |
5 |
| Agile Therapeutics, Inc. | 45 |
4 |
| Icosagen Cell Factory OU | 18 |
4 |
| ITF Research Pharma, S.L.U. | 17 |
4 |
| Replicor Inc. | 27 |
4 |
| Universite Laval | 712 |
4 |
| JangoBio, LLC | 7 |
4 |
| Board of Regents, The University of Texas System | 5725 |
3 |
| The Board of Trustees of the University of Illinois | 2693 |
3 |
| Aihol Corporation | 29 |
3 |
| American Infertility of New York | 12 |
3 |
| Forendo Pharma Ltd. | 18 |
3 |
| Shanghai Jiao Tong University | 1167 |
3 |
| Shimoda Biotech (Pty) Ltd. | 6 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 3109 |
3 |
| Other owners | 206 |