- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/431 - Compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula , e.g. penicillins, penems containing further heterocyclic ring systems, e.g. ticarcillin, azlocillin, oxacillin
Patent holdings for IPC class A61K 31/431
Total number of patents in this class: 344
10-year publication summary
|
20
|
34
|
31
|
28
|
39
|
28
|
28
|
13
|
14
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3736 |
19 |
| Glytech, LLC | 17 |
8 |
| Iterum Therapeutics International Limited | 22 |
8 |
| Qpex Biopharma, Inc. | 38 |
7 |
| Alpha 1 Biologics LLC | 7 |
6 |
| Cmpd Licensing, LLC | 83 |
6 |
| Merck Sharp & Dohme Corp. | 2183 |
5 |
| Dompé Farmaceutici S.p.A. | 298 |
5 |
| University of Notre Dame du Lac | 610 |
5 |
| Wockhardt Limited | 191 |
5 |
| The Regents of the University of California | 20802 |
4 |
| FUJIFILM Corporation | 30562 |
4 |
| Anacor Pharmaceuticals, Inc. | 53 |
4 |
| Idorsia Pharmaceuticals Ltd. | 331 |
4 |
| Xiangbei Welman Pharmaceutical Co., Ltd. | 34 |
4 |
| Novartis AG | 10178 |
3 |
| Boehringer Ingelheim International GmbH | 4483 |
3 |
| Pfizer Inc. | 3404 |
3 |
| Massachusetts Institute of Technology | 10273 |
3 |
| The Johns Hopkins University | 5907 |
3 |
| Other owners | 235 |