- All sections
- A - Human necessities
- A61P - Specific therapeutic activity of chemical compounds or medicinal preparations
- A61P 15/18 - Feminine contraceptives
Patent holdings for IPC class A61P 15/18
Total number of patents in this class: 319
10-year publication summary
|
10
|
5
|
17
|
12
|
20
|
24
|
31
|
33
|
23
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Estetra SRL | 96 |
18 |
| Bayer Schering Pharma AG | 385 |
13 |
| The Population Council, Inc. | 62 |
10 |
| Laboratoire Hra-pharma | 151 |
9 |
| The General Hospital Corporation | 4733 |
8 |
| Kissei Pharmaceutical Co., Ltd. | 183 |
8 |
| Agile Therapeutics, Inc. | 46 |
6 |
| Chemo Research, S.L. | 100 |
6 |
| Theramex HQ UK Limited | 95 |
6 |
| Bayer Intellectual Property GmbH | 2499 |
5 |
| Grünenthal GmbH | 569 |
5 |
| Laboratorios Leon Farma, S.A. | 37 |
5 |
| Wyeth | 366 |
5 |
| Millicent Pharma Limited | 19 |
5 |
| Bayer Pharma AG | 1052 |
4 |
| Takeda Pharmaceutical Company Limited | 2713 |
4 |
| ASKA Pharmaceutical Co., Ltd. | 100 |
4 |
| CSL Limited | 254 |
4 |
| LTS Lohmann Therapie-Systeme AG | 693 |
4 |
| Monash University | 707 |
4 |
| Other owners | 186 |