- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/585 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin containing lactone rings, e.g. oxandrolone, bufalin
Patent holdings for IPC class A61K 31/585
Total number of patents in this class: 549
10-year publication summary
|
43
|
55
|
40
|
61
|
37
|
55
|
61
|
48
|
44
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Estetra SRL | 95 |
24 |
| Laboratorios Leon Farma, S.A. | 35 |
23 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3360 |
11 |
| Suzhou Neupharma Co., Ltd. | 14 |
10 |
| Bayer Schering Pharma AG | 400 |
8 |
| Neupharma, Inc. | 71 |
8 |
| Sorbonne Universite | 1250 |
8 |
| Université Paris Cité | 763 |
8 |
| Boehringer Ingelheim Vetmedica GmbH | 1263 |
7 |
| Zhejiang Yangshengtang Institute of Natural Medication Co., Ltd. | 48 |
7 |
| Bayer Intellectual Property GmbH | 2522 |
6 |
| Chemo Research, S.L. | 100 |
6 |
| Emory University | 1619 |
6 |
| Arcutis Biotherapeutics, Inc. | 102 |
6 |
| The Regents of the University of Michigan | 4670 |
5 |
| ASKA Pharmaceutical Co., Ltd. | 102 |
5 |
| Galderma S.A. | 147 |
5 |
| Mayne Pharma, Inc. | 6 |
5 |
| Universite Paris Descartes | 377 |
5 |
| The Board of Regents of the University of Texas System | 2199 |
5 |
| Other owners | 381 |