- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 498/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 498/20
Total number of patents in this class: 257
10-year publication summary
|
17
|
21
|
9
|
16
|
9
|
15
|
16
|
20
|
22
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amgen Inc. | 3902 |
20 |
| Bristol-myers Squibb Company | 4865 |
11 |
| Bayer AG | 3210 |
11 |
| Merck Sharp & Dohme LLC | 3752 |
10 |
| Bayer Pharma AG | 1086 |
7 |
| The Broad Institute, Inc. | 1716 |
7 |
| Genentech, Inc. | 3874 |
6 |
| Schering Corporation | 502 |
6 |
| Shionogi & Co., Ltd. | 886 |
6 |
| Boehringer Ingelheim International GmbH | 4750 |
5 |
| Takeda Pharmaceutical Company Limited | 2945 |
5 |
| ViiV Healthcare Company | 157 |
5 |
| Novartis AG | 11257 |
4 |
| Cancer Research Technology Limited | 525 |
4 |
| Council of Scientific & Industrial Research | 1408 |
4 |
| Deutsches Krebsforschungszentrum | 419 |
4 |
| Gilead Sciences, Inc. | 1957 |
4 |
| The Institute of Cancer Research: Royal Cancer Hospital | 184 |
4 |
| Mission Therapeutics Limited | 80 |
4 |
| Nxera Pharma UK Limited | 119 |
4 |
| Other owners | 126 |