- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 213/80 - Acids; Esters in position 3
Patent holdings for IPC class C07D 213/80
Total number of patents in this class: 511
10-year publication summary
|
33
|
46
|
44
|
45
|
37
|
35
|
46
|
30
|
23
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Shionogi & Co., Ltd. | 890 |
12 |
| Syngenta Crop Protection AG | 4885 |
10 |
| Xwpharma Ltd. | 59 |
10 |
| Bristol-myers Squibb Company | 4886 |
9 |
| Astellas Pharma Inc. | 1122 |
8 |
| ViiV Healthcare Company | 152 |
8 |
| The General Hospital Corporation | 4637 |
7 |
| The Trustees of Columbia University in the City of New York | 3516 |
7 |
| Almirall, S.A. | 519 |
7 |
| Boehringer Ingelheim International GmbH | 4762 |
6 |
| Agro-kanesho Co., Ltd. | 47 |
6 |
| Laurus Labs Limited | 99 |
6 |
| Theravance Biopharma R&D IP, LLC | 517 |
6 |
| Oxular Acquisitions Limited | 21 |
6 |
| President and Fellows of Harvard College | 5904 |
5 |
| Global Blood Therapeutics, Inc. | 180 |
5 |
| Zevra Therapeutics, Inc. | 89 |
5 |
| BASF SE | 20367 |
4 |
| AstraZeneca AB | 2961 |
4 |
| Apotex Inc. | 202 |
4 |
| Other owners | 376 |