- All sections
- A - Human necessities
- A61P - Specific therapeutic activity of chemical compounds or medicinal preparations
- A61P 5/30 - Oestrogens
Patent holdings for IPC class A61P 5/30
Total number of patents in this class: 195
10-year publication summary
|
2
|
3
|
10
|
15
|
14
|
16
|
11
|
14
|
13
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Recurium IP Holdings, LLC | 134 |
6 |
| Bayer Schering Pharma AG | 394 |
5 |
| Wyeth | 380 |
5 |
| Millicent Pharma Limited | 16 |
5 |
| Estetra SRL | 96 |
5 |
| Wyeth LLC | 652 |
3 |
| Bayer Intellectual Property GmbH | 2509 |
3 |
| Daicel Corporation | 2336 |
3 |
| Estetra S.P.R.L. | 13 |
3 |
| Kobayashi Pharmaceutical Co., Ltd. | 793 |
3 |
| TherapeuticsMD, Inc. | 107 |
3 |
| Insigna, Inc., DBA Epivara | 16 |
3 |
| Mother & Child Co., Ltd. | 5 |
3 |
| Glaxosmithkline Intellectual Property Development Limited | 758 |
2 |
| Kao Corporation | 4959 |
2 |
| National Institute of Advanced Industrial Science and Technology | 3795 |
2 |
| Bionovo, Inc. | 24 |
2 |
| Concordia University, Inc. | 12 |
2 |
| DrugTech Corporation | 27 |
2 |
| Glia LLC | 18 |
2 |
| Other owners | 131 |