- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/566 - Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives 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: 285
10-year publication summary
|
19
|
35
|
30
|
24
|
22
|
37
|
33
|
35
|
29
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Regents of the University of California | 18943 |
15 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
5 |
| Sage Therapeutics, Inc. | 312 |
5 |
| Skintech Life Science Limited | 17 |
5 |
| Washington University | 1473 |
5 |
| GTO Pharma, LLC. | 5 |
5 |
| Agile Therapeutics, Inc. | 45 |
4 |
| Icosagen Cell Factory OU | 17 |
4 |
| ITF Research Pharma, S.L.U. | 16 |
4 |
| Replicor Inc. | 33 |
4 |
| Lupin Inc. | 85 |
4 |
| JangoBio, LLC | 6 |
4 |
| The Board of Trustees of the University of Illinois | 2623 |
3 |
| American Infertility of New York | 13 |
3 |
| Endorecherche, Inc. | 27 |
3 |
| Forendo Pharma Ltd. | 19 |
3 |
| Shanghai Jiao Tong University | 1020 |
3 |
| Shimoda Biotech (Pty) Ltd. | 6 |
3 |
| Universite Laval | 703 |
3 |
| University of Pittsburgh - Of the Commonwealth System of Higher Education | 2912 |
3 |
| Other owners | 197 |