- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine
Patent holdings for IPC class A61K 31/513
Total number of patents in this class: 4024
10-year publication summary
|
277
|
303
|
274
|
250
|
327
|
293
|
312
|
305
|
274
|
49
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Abbvie Inc. | 1828 |
85 |
| Gilead Sciences, Inc. | 2140 |
57 |
| Merck Sharp & Dohme LLC | 3741 |
57 |
| Taisho Pharmaceutical Co., Ltd. | 863 |
56 |
| Corcept Therapeutics, Inc. | 361 |
53 |
| Immunomedics, Inc. | 258 |
45 |
| Takeda Pharmaceutical Company Limited | 2713 |
36 |
| Bristol-myers Squibb Company | 4795 |
35 |
| Boehringer Ingelheim International GmbH | 4576 |
32 |
| F. Hoffmann-La Roche AG | 7878 |
31 |
| The Regents of the University of California | 20410 |
30 |
| Genentech, Inc. | 4045 |
28 |
| Novartis AG | 10463 |
26 |
| MyoKardia, Inc. | 113 |
25 |
| Pfizer Inc. | 3373 |
24 |
| Institut National de La Sante et de La Recherche Medicale (inserm) | 3091 |
23 |
| Cipla Limited | 470 |
22 |
| Amgen Inc. | 4304 |
21 |
| Ipsen Biopharm Limited | 325 |
21 |
| Isofol Medical AB | 39 |
21 |
| Other owners | 3296 |