- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/435 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
Patent holdings for IPC class A61K 31/435
Total number of patents in this class: 2305
10-year publication summary
|
117
|
147
|
122
|
108
|
99
|
113
|
139
|
112
|
139
|
26
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RedHill Biopharma Ltd. | 98 |
32 |
| Novartis AG | 10462 |
29 |
| Merck Sharp & Dohme LLC | 3717 |
29 |
| F. Hoffmann-La Roche AG | 7879 |
26 |
| Janssen Pharmaceutica N.V. | 3301 |
26 |
| Merck Sharp & Dohme Corp. | 2186 |
22 |
| Bristol-myers Squibb Company | 4792 |
19 |
| The Regents of the University of California | 20427 |
19 |
| Boehringer Ingelheim International GmbH | 4580 |
19 |
| Aldeyra Therapeutics, Inc. | 104 |
19 |
| Pfizer Inc. | 3373 |
18 |
| Vertex Pharmaceuticals Incorporated | 1611 |
13 |
| Eli Lilly and Company | 3975 |
13 |
| Medshine Discovery Inc. | 593 |
13 |
| The General Hospital Corporation | 4802 |
12 |
| Gilead Sciences, Inc. | 2145 |
12 |
| Hoffmann-La Roche Inc. | 3628 |
11 |
| Merck Patent GmbH | 5732 |
10 |
| Centre National de La Recherche Scientifique | 10820 |
10 |
| Bayer Schering Pharma AG | 355 |
10 |
| Other owners | 1943 |