- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/58 - Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin
Patent holdings for IPC class A61K 31/58
Total number of patents in this class: 2741
10-year publication summary
240
|
249
|
269
|
235
|
255
|
284
|
244
|
245
|
225
|
57
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Sage Therapeutics, Inc. | 312 |
101 |
Chiesi Farmaceutici S.p.A. | 940 |
36 |
Pop Test Oncology Limited Liability Company | 29 |
26 |
Seed Health, Inc. | 135 |
26 |
The Regents of the University of California | 18943 |
21 |
AstraZeneca AB | 3042 |
20 |
Dr. Falk Pharma GmbH | 161 |
19 |
Glenmark Specialty S.A. | 70 |
18 |
Regeneron Pharmaceuticals, Inc. | 3650 |
17 |
Novartis AG | 11238 |
15 |
Janssen Pharmaceutica N.V. | 3839 |
15 |
Emory University | 1498 |
15 |
Forendo Pharma Ltd. | 19 |
15 |
The Johns Hopkins University | 5377 |
14 |
Reata Pharmaceuticals, Inc. | 127 |
14 |
Boehringer Ingelheim Vetmedica GmbH | 1290 |
13 |
Inventage Lab, Inc. | 62 |
13 |
Enanta Pharmaceuticals, Inc. | 420 |
12 |
Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 762 |
12 |
Lyra Therapeutics, Inc. | 53 |
12 |
Other owners | 2307 |