- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 495/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 495/20
Total number of patents in this class: 137
10-year publication summary
|
9
|
6
|
16
|
16
|
11
|
10
|
7
|
12
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Eli Lilly and Company | 3645 |
10 |
| Vertex Pharmaceuticals Incorporated | 1581 |
9 |
| eFFECTOR Therapeutics, Inc. | 71 |
8 |
| Merck Patent GmbH | 5909 |
7 |
| BASF SE | 19740 |
6 |
| Sunovion Pharmaceuticals Inc. | 326 |
6 |
| LG Chem, Ltd. | 17205 |
4 |
| PGI Drug Discovery LLC | 23 |
4 |
| Schering Corporation | 557 |
4 |
| Merck Sharp & Dohme LLC | 3689 |
4 |
| Cancer Research Technology Limited | 542 |
3 |
| Denali Therapeutics Inc. | 203 |
3 |
| Janssen Sciences Ireland UC | 256 |
3 |
| Luminescence Technology Corporation | 34 |
3 |
| Symrise AG | 1597 |
3 |
| LG Display Co., Ltd. | 11907 |
2 |
| Boehringer Ingelheim International GmbH | 4629 |
2 |
| Tokyo Electron Limited | 11599 |
2 |
| Alantos Pharmaceuticals Holding, Inc. | 14 |
2 |
| Japanese Foundation for Cancer Research | 155 |
2 |
| Other owners | 50 |