- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/573 - Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone
Patent holdings for IPC class A61K 31/573
Total number of patents in this class: 3909
10-year publication summary
308
|
347
|
394
|
410
|
437
|
433
|
456
|
453
|
433
|
117
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Chiesi Farmaceutici S.p.A. | 940 |
58 |
Janssen Biotech, Inc. | 1347 |
40 |
The Regents of the University of California | 18943 |
36 |
Genentech, Inc. | 3742 |
36 |
Allergan, Inc. | 2600 |
32 |
Sage Therapeutics, Inc. | 312 |
30 |
Celgene Corporation | 1412 |
28 |
Janssen Pharmaceutica N.V. | 3839 |
23 |
Mexichem Fluor, Sociedad Anonima de Capital Variable | 200 |
22 |
AVM Biotechnology, LLC | 25 |
21 |
The Board of Trustees of the Leland Stanford Junior University | 6054 |
20 |
Antecip Bioventures II LLC | 300 |
20 |
Regeneron Pharmaceuticals, Inc. | 3650 |
20 |
Bristol-myers Squibb Company | 5080 |
18 |
Massachusetts Institute of Technology | 9795 |
18 |
Chugai Seiyaku Kabushiki Kaisha | 1259 |
18 |
Board of Regents, The University of Texas System | 5370 |
17 |
Hoffmann-La Roche Inc. | 3060 |
16 |
The Trustees of the University of Pennsylvania | 4122 |
16 |
Pharmacyclics LLC | 240 |
16 |
Other owners | 3404 |