- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/4985 - Pyrazines or piperazines ortho- or peri-condensed with heterocyclic ring systems
Patent holdings for IPC class A61K 31/4985
Total number of patents in this class: 5582
10-year publication summary
|
329
|
322
|
338
|
352
|
372
|
383
|
394
|
377
|
476
|
438
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intra-Cellular Therapies, Inc. | 420 |
176 |
| Abbvie Inc. | 1815 |
117 |
| Merck Sharp & Dohme LLC | 3737 |
81 |
| F. Hoffmann-La Roche AG | 7933 |
75 |
| Janssen Pharmaceutica N.V. | 3351 |
75 |
| Signal Pharmaceuticals, LLC | 181 |
73 |
| Gilead Sciences, Inc. | 2094 |
63 |
| Genentech, Inc. | 4015 |
51 |
| Hoffmann-La Roche Inc. | 3533 |
50 |
| Novartis AG | 10623 |
48 |
| Takeda Pharmaceutical Company Limited | 2717 |
48 |
| Boehringer Ingelheim International GmbH | 4635 |
45 |
| Acerta Pharma B.V. | 65 |
44 |
| ViiV Healthcare Company | 162 |
43 |
| Pfizer Inc. | 3401 |
40 |
| Incyte Corporation | 1037 |
39 |
| Merck Sharp & Dohme Corp. | 2190 |
37 |
| Bristol-myers Squibb Company | 4820 |
36 |
| AstraZeneca AB | 2858 |
34 |
| Shionogi & Co., Ltd. | 835 |
34 |
| Other owners | 4373 |