- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 473/00 - Heterocyclic compounds containing purine ring systems
Patent holdings for IPC class C07D 473/00
Total number of patents in this class: 463
10-year publication summary
|
33
|
36
|
24
|
23
|
21
|
31
|
16
|
21
|
22
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Amgen Inc. | 4427 |
10 |
| Merck Sharp & Dohme LLC | 3734 |
10 |
| Boehringer Ingelheim International GmbH | 4493 |
9 |
| Ono Pharmaceutical Co., Ltd. | 421 |
9 |
| Merck Patent GmbH | 5728 |
8 |
| ChemoCentryx, Inc. | 361 |
8 |
| Gilead Sciences, Inc. | 2222 |
7 |
| Signal Pharmaceuticals, LLC | 176 |
7 |
| Novartis AG | 10262 |
6 |
| Bristol-myers Squibb Company | 4742 |
6 |
| Forma Therapeutics, Inc. | 147 |
6 |
| The Regents of the University of California | 20745 |
5 |
| Merck Sharp & Dohme Corp. | 2183 |
5 |
| Canopy Growth Corporation | 212 |
5 |
| Nerviano Medical Sciences S.r.l. | 237 |
5 |
| The United States of America, as represented by the Secretary, Department of Health and Human Services | 3001 |
5 |
| Takeda Pharmaceutical Company Limited | 2712 |
4 |
| Dana-Farber Cancer Institute, Inc. | 2664 |
4 |
| Saint Louis University | 294 |
4 |
| VALO Health, Inc. | 193 |
4 |
| Other owners | 336 |