- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/56 - Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
Patent holdings for IPC class A61K 31/56
Total number of patents in this class: 3013
10-year publication summary
|
255
|
232
|
229
|
212
|
196
|
211
|
218
|
137
|
116
|
35
|
| 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 |
64 |
| Sage Therapeutics, Inc. | 312 |
29 |
| The Johns Hopkins University | 5377 |
27 |
| InterCept Pharmaceuticals, Inc. | 224 |
22 |
| Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
22 |
| Brigham Young University | 580 |
21 |
| Corcept Therapeutics, Inc. | 284 |
20 |
| Reata Pharmaceuticals, Inc. | 127 |
19 |
| Emory University | 1498 |
18 |
| Lipocine Inc. | 91 |
18 |
| Laboratoire Hra-pharma | 143 |
17 |
| Phoenix Biotechnology, Inc. | 58 |
17 |
| Ellodi Pharmaceuticals, L.P., General Partner, Ellodi Development I Genpar, LLC, a Delaware limited liability company | 25 |
17 |
| Allergan, Inc. | 2600 |
16 |
| Alcon, Inc. | 4899 |
16 |
| Arven Ilac Sanayi Ve Ticaret A.S. | 95 |
15 |
| Bayer Intellectual Property GmbH | 2671 |
13 |
| Bodor Laboratories, Inc. | 59 |
13 |
| Enanta Pharmaceuticals, Inc. | 420 |
13 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
13 |
| Other owners | 2603 |