- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/565 - 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
Patent holdings for IPC class A61K 31/565
Total number of patents in this class: 1366
10-year publication summary
|
114
|
129
|
119
|
133
|
125
|
89
|
114
|
106
|
87
|
69
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TherapeuticsMD, Inc. | 113 |
72 |
| Estetra SRL | 111 |
53 |
| The Regents of the University of California | 20987 |
26 |
| Pfizer Inc. | 3426 |
23 |
| Abbvie Inc. | 1810 |
23 |
| Agile Therapeutics, Inc. | 49 |
18 |
| The Population Council, Inc. | 60 |
16 |
| Duke University | 3192 |
14 |
| The United States Government AS represented by The Department of Veterans Affairs | 1359 |
14 |
| Evofem Biosciences, Inc. | 50 |
13 |
| Medisca Pharmaceutique Inc. | 140 |
13 |
| Genentech, Inc. | 4161 |
12 |
| AstraZeneca AB | 2835 |
12 |
| Eagle Pharmaceuticals, Inc. | 98 |
12 |
| Novartis AG | 10160 |
10 |
| Insigna, Inc., DBA Epivara | 21 |
10 |
| Bayer Intellectual Property GmbH | 2346 |
9 |
| Bayer Schering Pharma AG | 291 |
9 |
| DURECT Corporation | 76 |
9 |
| Noven Pharmaceuticals, Inc. | 86 |
8 |
| Other owners | 990 |