- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/59 - Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems
Patent holdings for IPC class A61K 31/59
Total number of patents in this class: 592
10-year publication summary
|
70
|
61
|
59
|
50
|
38
|
48
|
41
|
37
|
25
|
14
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Wisconsin Alumni Research Foundation | 3890 |
51 |
| Société des Produits Nestlé S.A. | 9289 |
13 |
| EirGen Pharma Limited | 88 |
12 |
| Metabolic Technologies, Inc. | 55 |
11 |
| LEO Pharma A/S | 431 |
9 |
| BioResponse, L.L.C. | 27 |
7 |
| DSM IP Assets B.V. | 5587 |
6 |
| N.V. Nutricia | 1062 |
6 |
| Proventiv Therapeutics, LLC | 11 |
6 |
| Stiefel West Coast, LLC | 7 |
6 |
| Teijin Pharma Limited | 261 |
6 |
| Ossifi-mab LLC | 6 |
6 |
| The Board of Trustees of the Leland Stanford Junior University | 6424 |
5 |
| Ardelyx, Inc. | 114 |
5 |
| Bioxell S.p.A. | 8 |
5 |
| CFM Pharma Holding BV | 8 |
5 |
| Cytochroma Inc. | 17 |
5 |
| Opko Renal, LLC | 8 |
5 |
| The Salk Institute for Biological Studies | 446 |
5 |
| The University of Sydney | 598 |
5 |
| Other owners | 413 |