- 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: 338
10-year publication summary
|
21
|
20
|
34
|
31
|
26
|
39
|
28
|
27
|
13
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Merck Sharp & Dohme LLC | 3718 |
19 |
| Iterum Therapeutics International Limited | 21 |
8 |
| Glytech, LLC | 17 |
7 |
| Wockhardt Limited | 228 |
7 |
| Qpex Biopharma, Inc. | 37 |
7 |
| Alpha 1 Biologics LLC | 6 |
6 |
| Cmpd Licensing, LLC | 77 |
6 |
| Merck Sharp & Dohme Corp. | 2202 |
5 |
| Dompé Farmaceutici S.p.A. | 261 |
5 |
| University of Notre Dame du Lac | 555 |
5 |
| FUJIFILM Corporation | 29129 |
4 |
| Idorsia Pharmaceuticals Ltd. | 344 |
4 |
| Xiangbei Welman Pharmaceutical Co., Ltd. | 32 |
4 |
| Novartis AG | 10989 |
3 |
| The Regents of the University of California | 19730 |
3 |
| Boehringer Ingelheim International GmbH | 4718 |
3 |
| Pfizer Inc. | 3346 |
3 |
| Massachusetts Institute of Technology | 9953 |
3 |
| Allecra Therapeutics SAS | 6 |
3 |
| Anacor Pharmaceuticals, Inc. | 71 |
3 |
| Other owners | 230 |