- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 57/15 - Fumaric acid
Patent holdings for IPC class C07C 57/15
Total number of patents in this class: 244
10-year publication summary
|
19
|
6
|
23
|
12
|
18
|
9
|
13
|
16
|
20
|
20
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10730 |
11 |
| Purac Biochem B.V. | 483 |
9 |
| Caamtech, Inc. | 146 |
8 |
| Gilead Sciences, Inc. | 2045 |
5 |
| Integrative Research Laboratories Sweden AB | 36 |
5 |
| Teva Pharmaceuticals USA, Inc. | 881 |
5 |
| R.J. Reynolds Tobacco Company | 504 |
4 |
| University Health Network | 1048 |
4 |
| SyneuRx International (Taiwan) Corp. | 44 |
4 |
| Genentech, Inc. | 3994 |
3 |
| Merck Patent GmbH | 5824 |
3 |
| Actavis Group PTC ehf | 440 |
3 |
| Apotex Inc. | 204 |
3 |
| Armgo Pharma, Inc. | 13 |
3 |
| Assia Chemical Industries Ltd. | 187 |
3 |
| Blueprint Medicines Corporation | 238 |
3 |
| Daewoong Pharmaceutical Co., Ltd. | 321 |
3 |
| Totus Medicines Inc. | 23 |
3 |
| Inspirna, Inc. | 38 |
3 |
| Amgen Inc. | 4106 |
2 |
| Other owners | 157 |