- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/575 - Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives 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: 2399
10-year publication summary
|
181
|
178
|
226
|
230
|
220
|
255
|
242
|
215
|
204
|
46
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| InterCept Pharmaceuticals, Inc. | 224 |
87 |
| Sage Therapeutics, Inc. | 312 |
50 |
| Brigham Young University | 580 |
41 |
| Enterin, Inc. | 43 |
36 |
| DURECT Corporation | 136 |
35 |
| Virginia Commonwealth University | 599 |
34 |
| The Regents of the University of California | 18943 |
30 |
| The United States Government AS represented by The Department of Veterans Affairs | 949 |
30 |
| Allergan Sales, LLC | 258 |
29 |
| Amylyx Pharmaceuticals Inc. | 66 |
28 |
| Morinaga Milk Industry Co., Ltd. | 358 |
26 |
| Shaperon Inc. | 34 |
19 |
| Corcept Therapeutics, Inc. | 284 |
17 |
| Galmed Research and Development Ltd. | 23 |
15 |
| Seoul National University R&db Foundation | 2976 |
15 |
| Warsaw Orthopedic, Inc. | 3184 |
14 |
| Duke University | 2872 |
14 |
| Biophytis | 29 |
13 |
| Sorbonne Universite | 1068 |
13 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3314 |
12 |
| Other owners | 1841 |