- All sections
- C - Chemistry; metallurgy
- C07D - Heterocyclic compounds
- C07D 491/20 - Spiro-condensed systems
Patent holdings for IPC class C07D 491/20
Total number of patents in this class: 514
10-year publication summary
|
36
|
35
|
46
|
37
|
43
|
39
|
42
|
33
|
41
|
12
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| eFFECTOR Therapeutics, Inc. | 71 |
15 |
| Shionogi & Co., Ltd. | 914 |
15 |
| Hoffmann-La Roche Inc. | 3060 |
13 |
| Bristol-myers Squibb Company | 5080 |
12 |
| Boehringer Ingelheim International GmbH | 4629 |
12 |
| Merck Sharp & Dohme LLC | 3689 |
12 |
| Merck Patent GmbH | 5909 |
11 |
| Vertex Pharmaceuticals Incorporated | 1581 |
11 |
| Pfizer Inc. | 3322 |
10 |
| F. Hoffmann-La Roche AG | 7958 |
9 |
| Xenon Pharmaceuticals Inc. | 190 |
9 |
| Glaxosmithkline Intellectual Property Development Limited | 723 |
8 |
| Medshine Discovery Inc. | 581 |
8 |
| Amgen Inc. | 3779 |
7 |
| Incyte Corporation | 918 |
7 |
| Rhodes Technologies | 64 |
7 |
| Sunovion Pharmaceuticals Inc. | 326 |
7 |
| Novartis AG | 11238 |
6 |
| LG Chem, Ltd. | 17205 |
6 |
| Denali Therapeutics Inc. | 203 |
6 |
| Other owners | 323 |