- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/517 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim ortho- or peri-condensed with carbocyclic ring systems, e.g. quinazoline, perimidine
Patent holdings for IPC class A61K 31/517
Total number of patents in this class: 6553
10-year publication summary
|
363
|
342
|
333
|
354
|
388
|
407
|
468
|
410
|
537
|
427
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4017 |
101 |
| Boehringer Ingelheim International GmbH | 4649 |
92 |
| Novartis AG | 10674 |
81 |
| The Regents of the University of California | 20211 |
75 |
| AstraZeneca AB | 2853 |
58 |
| Bristol-myers Squibb Company | 4847 |
57 |
| Array BioPharma Inc. | 489 |
51 |
| F. Hoffmann-La Roche AG | 7944 |
50 |
| Gilead Sciences, Inc. | 2065 |
47 |
| Merck Patent GmbH | 5777 |
46 |
| Dana-Farber Cancer Institute, Inc. | 2613 |
46 |
| Amgen Inc. | 4147 |
44 |
| Celgene Corporation | 1397 |
43 |
| Sunshine Lake Pharma Co., Ltd. | 600 |
42 |
| Merck Sharp & Dohme LLC | 3739 |
40 |
| Resverlogix Corp. | 56 |
38 |
| Board of Regents, The University of Texas System | 5912 |
37 |
| Kadmon Corporation, LLC | 100 |
37 |
| Astellas Pharma Inc. | 1065 |
36 |
| Hoffmann-La Roche Inc. | 3511 |
33 |
| Other owners | 5499 |