- 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: 2306
10-year publication summary
|
130
|
164
|
139
|
120
|
115
|
127
|
167
|
132
|
164
|
59
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| RedHill Biopharma Ltd. | 97 |
32 |
| Merck Sharp & Dohme LLC | 3732 |
29 |
| Novartis AG | 10341 |
27 |
| F. Hoffmann-La Roche AG | 7841 |
25 |
| Janssen Pharmaceutica N.V. | 3226 |
25 |
| Merck Sharp & Dohme Corp. | 2184 |
22 |
| Bristol-myers Squibb Company | 4815 |
19 |
| The Regents of the University of California | 20587 |
19 |
| Aldeyra Therapeutics, Inc. | 102 |
19 |
| Boehringer Ingelheim International GmbH | 4496 |
17 |
| Pfizer Inc. | 3370 |
17 |
| Vertex Pharmaceuticals Incorporated | 1595 |
14 |
| Medshine Discovery Inc. | 592 |
14 |
| The General Hospital Corporation | 4832 |
12 |
| Gilead Sciences, Inc. | 2190 |
12 |
| Hoffmann-La Roche Inc. | 3718 |
11 |
| Eli Lilly and Company | 4048 |
11 |
| Centre National de La Recherche Scientifique | 10895 |
10 |
| Bayer Schering Pharma AG | 343 |
10 |
| Dana-Farber Cancer Institute, Inc. | 2654 |
10 |
| Other owners | 1951 |