- 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: 1336
10-year publication summary
|
85
|
100
|
115
|
103
|
124
|
109
|
81
|
104
|
87
|
53
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TherapeuticsMD, Inc. | 107 |
65 |
| Estetra SRL | 97 |
46 |
| The Regents of the University of California | 19961 |
28 |
| Bayer Schering Pharma AG | 384 |
24 |
| Abbvie Inc. | 1800 |
23 |
| Pfizer Inc. | 3371 |
21 |
| The Population Council, Inc. | 61 |
18 |
| The United States Government AS represented by The Department of Veterans Affairs | 1191 |
17 |
| Agile Therapeutics, Inc. | 46 |
15 |
| Evofem Biosciences, Inc. | 47 |
13 |
| Duke University | 3069 |
12 |
| DURECT Corporation | 121 |
12 |
| Medisca Pharmaceutique Inc. | 138 |
12 |
| Genentech, Inc. | 3976 |
11 |
| Eagle Pharmaceuticals, Inc. | 100 |
11 |
| Bayer Intellectual Property GmbH | 2498 |
10 |
| Noven Pharmaceuticals, Inc. | 103 |
9 |
| Insigna, Inc., DBA Epivara | 16 |
9 |
| Estetra S.P.R.L. | 13 |
8 |
| Virginia Commonwealth University | 632 |
8 |
| Other owners | 964 |