- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/57 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
Patent holdings for IPC class A61K 31/57
Total number of patents in this class: 1617
10-year publication summary
|
112
|
113
|
148
|
131
|
124
|
81
|
114
|
108
|
99
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sage Therapeutics, Inc. | 353 |
60 |
| TherapeuticsMD, Inc. | 111 |
58 |
| The Regents of the University of California | 20427 |
38 |
| Lipocine Inc. | 116 |
34 |
| The Population Council, Inc. | 60 |
26 |
| Laboratoire Hra-pharma | 155 |
22 |
| Emory University | 1688 |
20 |
| Marinus Pharmaceuticals, Inc. | 38 |
20 |
| Immedica Pharma US Inc. | 38 |
20 |
| Shenzhen Evergreen Therapeutics Co., Ltd. | 24 |
19 |
| Agile Therapeutics, Inc. | 48 |
18 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3353 |
18 |
| Abbvie Inc. | 1828 |
16 |
| Besins Healthcare Luxembourg SARL | 92 |
15 |
| Chiesi Farmaceutici S.p.A. | 962 |
15 |
| Journey Medical Corporation | 95 |
14 |
| LTS Lohmann Therapie-Systeme AG | 693 |
13 |
| Medisca Pharmaceutique Inc. | 138 |
13 |
| Ovid Therapeutics Inc | 170 |
11 |
| Universite de Bordeaux | 905 |
11 |
| Other owners | 1156 |