- 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: 269
10-year publication summary
|
8
|
25
|
17
|
23
|
17
|
20
|
25
|
24
|
32
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novartis AG | 10262 |
11 |
| Purac Biochem B.V. | 477 |
9 |
| Caamtech, Inc. | 152 |
9 |
| Gilead Sciences, Inc. | 2222 |
6 |
| Integrative Research Laboratories Sweden AB | 37 |
5 |
| Teva Pharmaceuticals USA, Inc. | 637 |
5 |
| R.J. Reynolds Tobacco Company | 501 |
4 |
| SyneuRx International (Taiwan) Corp. | 35 |
4 |
| Genentech, Inc. | 4104 |
3 |
| Merck Patent GmbH | 5728 |
3 |
| Actavis Group PTC ehf | 392 |
3 |
| Apotex Inc. | 203 |
3 |
| Armgo Pharma, Inc. | 12 |
3 |
| Assia Chemical Industries Ltd. | 235 |
3 |
| Blueprint Medicines Corporation | 253 |
3 |
| Daewoong Pharmaceutical Co., Ltd. | 363 |
3 |
| University Health Network | 1061 |
3 |
| Totus Medicines Inc. | 23 |
3 |
| Inspirna, Inc. | 33 |
3 |
| Amgen Inc. | 4427 |
2 |
| Other owners | 181 |