- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/567 - 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 substituted in position 17 alpha, e.g. mestranol, norethandrolone
Patent holdings for IPC class A61K 31/567
Total number of patents in this class: 551
10-year publication summary
|
61
|
49
|
50
|
58
|
50
|
63
|
44
|
31
|
41
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Corcept Therapeutics, Inc. | 373 |
44 |
| Laboratorios Leon Farma, S.A. | 33 |
17 |
| Abbvie Inc. | 1799 |
15 |
| The University of Chicago | 1502 |
13 |
| Chemo Research, S.L. | 103 |
12 |
| Evofem Biosciences, Inc. | 50 |
12 |
| Agile Therapeutics, Inc. | 48 |
10 |
| Oric Pharmaceuticals, Inc. | 85 |
9 |
| Bayer Oy | 145 |
8 |
| Massachusetts Institute of Technology | 10285 |
8 |
| Millicent Pharma Limited | 20 |
8 |
| Bayer Schering Pharma AG | 301 |
7 |
| Bayer Pharma AG | 1009 |
7 |
| The Population Council, Inc. | 59 |
7 |
| Estetra SRL | 110 |
7 |
| The Regents of the University of California | 20842 |
6 |
| Bayer Intellectual Property GmbH | 2356 |
6 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3289 |
6 |
| Shanghai Jiao Tong University | 1376 |
6 |
| Mayo Foundation for Medical Education and Research | 3398 |
5 |
| Other owners | 338 |