- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/568 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. oestrane, oestradiol substituted in positions 10 and 13 by a chain having at least one carbon atom, e.g. androstane, testosterone
Patent holdings for IPC class A61K 31/568
Total number of patents in this class: 699
10-year publication summary
|
93
|
86
|
80
|
75
|
88
|
60
|
56
|
57
|
59
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Lipocine Inc. | 111 |
60 |
| Antares Pharma, Inc. | 172 |
21 |
| Havah Therapeutics Pty Ltd | 21 |
21 |
| Tolmar, Inc. | 49 |
18 |
| Umecrine Cognition AB | 30 |
14 |
| Allergan, Inc. | 2346 |
13 |
| Besins Healthcare Luxembourg SARL | 93 |
12 |
| TOLMAR International Limited | 85 |
12 |
| Guangzhou Cellprotek Pharmaceutical Co., Ltd | 30 |
11 |
| Acerus Biopharma Inc. | 33 |
11 |
| The Regents of the University of California | 19929 |
9 |
| Marius Pharmaceuticals, Inc | 19 |
8 |
| M et P Pharma AG | 15 |
7 |
| Monash University | 707 |
7 |
| Professional Compounding Centers of America (pcca) | 31 |
7 |
| Schepens Eye Research Institute | 66 |
7 |
| Trimel BioPharma SRL | 7 |
6 |
| Celista Pharmaceuticals LLC | 20 |
6 |
| Board of Regents, The University of Texas System | 5803 |
5 |
| Clarus Therapeutics, Inc. | 6 |
5 |
| Other owners | 439 |