- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/575 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol
Patent holdings for IPC class A61K 31/575
Total number of patents in this class: 2576
10-year publication summary
|
145
|
195
|
196
|
196
|
226
|
212
|
197
|
195
|
158
|
144
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| InterCept Pharmaceuticals, Inc. | 205 |
85 |
| Sage Therapeutics, Inc. | 375 |
65 |
| Brigham Young University | 600 |
43 |
| Amylyx Pharmaceuticals Inc. | 110 |
42 |
| DURECT Corporation | 121 |
39 |
| Enterin, Inc. | 44 |
38 |
| The Regents of the University of California | 20289 |
30 |
| Allergan Sales, LLC | 252 |
28 |
| The United States Government AS represented by The Department of Veterans Affairs | 1242 |
27 |
| Virginia Commonwealth University | 643 |
27 |
| Shaperon Inc. | 50 |
26 |
| Corcept Therapeutics, Inc. | 355 |
20 |
| Morinaga Milk Industry Co., Ltd. | 356 |
19 |
| Duke University | 3107 |
16 |
| Biophytis | 35 |
16 |
| Seoul National University R&db Foundation | 3774 |
16 |
| Galmed Research and Development Ltd. | 23 |
15 |
| Sorbonne Universite | 1344 |
15 |
| Warsaw Orthopedic, Inc. | 2997 |
14 |
| Guangzhou Ocusun Ophthalmic Biotechnology Co., Ltd. | 34 |
14 |
| Other owners | 1981 |