- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 495/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 495/20
Total number of patents in this class: 152
10-year publication summary
|
6
|
15
|
14
|
12
|
10
|
7
|
11
|
10
|
14
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vertex Pharmaceuticals Incorporated | 1608 |
15 |
| Eli Lilly and Company | 3861 |
8 |
| Merck Patent GmbH | 5814 |
7 |
| eFFECTOR Therapeutics, Inc. | 69 |
7 |
| BASF SE | 20967 |
6 |
| LG Chem, Ltd. | 17636 |
5 |
| Sunovion Pharmaceuticals Inc. | 264 |
5 |
| PGI Drug Discovery LLC | 33 |
4 |
| Merck Sharp & Dohme LLC | 3748 |
4 |
| Denali Therapeutics Inc. | 246 |
3 |
| Janssen Sciences Ireland UC | 183 |
3 |
| Schering Corporation | 443 |
3 |
| Symrise AG | 1744 |
3 |
| Windtree Therapeutics, Inc. | 39 |
3 |
| Quanta Therapeutics, Inc. | 34 |
3 |
| LG Display Co., Ltd. | 13815 |
2 |
| Boehringer Ingelheim International GmbH | 4645 |
2 |
| Tokyo Electron Limited | 12825 |
2 |
| Alantos Pharmaceuticals Holding, Inc. | 13 |
2 |
| Japanese Foundation for Cancer Research | 160 |
2 |
| Other owners | 63 |