- 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: 252
10-year publication summary
|
17
|
21
|
9
|
16
|
9
|
15
|
16
|
21
|
25
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amgen Inc. | 4071 |
20 |
| Bayer AG | 3323 |
11 |
| Bristol-myers Squibb Company | 4879 |
10 |
| Merck Sharp & Dohme LLC | 3751 |
10 |
| Bayer Pharma AG | 1061 |
7 |
| The Broad Institute, Inc. | 1793 |
7 |
| Schering Corporation | 456 |
6 |
| Genentech, Inc. | 3979 |
5 |
| Boehringer Ingelheim International GmbH | 4697 |
5 |
| Takeda Pharmaceutical Company Limited | 2712 |
5 |
| Gilead Sciences, Inc. | 2031 |
5 |
| Nxera Pharma UK Limited | 169 |
5 |
| Novartis AG | 10886 |
4 |
| Cancer Research Technology Limited | 518 |
4 |
| Council of Scientific & Industrial Research | 1424 |
4 |
| Deutsches Krebsforschungszentrum | 418 |
4 |
| The Institute of Cancer Research: Royal Cancer Hospital | 180 |
4 |
| Mission Therapeutics Limited | 80 |
4 |
| C4 Theraprutics, Inc. | 56 |
4 |
| Wisconsin Alumni Research Foundation | 3872 |
3 |
| Other owners | 125 |