- 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: 5505
10-year publication summary
|
329
|
322
|
338
|
352
|
372
|
383
|
394
|
375
|
476
|
361
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Intra-Cellular Therapies, Inc. | 410 |
168 |
| Abbvie Inc. | 1806 |
115 |
| Merck Sharp & Dohme LLC | 3753 |
81 |
| F. Hoffmann-La Roche AG | 7948 |
75 |
| Janssen Pharmaceutica N.V. | 3367 |
75 |
| Signal Pharmaceuticals, LLC | 181 |
73 |
| Gilead Sciences, Inc. | 2056 |
62 |
| Genentech, Inc. | 4009 |
50 |
| Hoffmann-La Roche Inc. | 3478 |
49 |
| Novartis AG | 10721 |
48 |
| Takeda Pharmaceutical Company Limited | 2710 |
47 |
| Boehringer Ingelheim International GmbH | 4640 |
44 |
| Acerta Pharma B.V. | 65 |
44 |
| ViiV Healthcare Company | 159 |
43 |
| Pfizer Inc. | 3386 |
40 |
| Incyte Corporation | 1025 |
39 |
| Merck Sharp & Dohme Corp. | 2190 |
37 |
| Bristol-myers Squibb Company | 4849 |
36 |
| Shionogi & Co., Ltd. | 844 |
35 |
| The Regents of the University of California | 20108 |
34 |
| Other owners | 4310 |