- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/196 - Carboxylic acids, e.g. valproic acid having an amino group the amino group being directly attached to a ring, e.g. anthranilic acid, mefenamic acid, diclofenac, chlorambucil
Patent holdings for IPC class A61K 31/196
Total number of patents in this class: 2255
10-year publication summary
|
182
|
189
|
220
|
219
|
214
|
210
|
145
|
125
|
133
|
89
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Infirst Healthcare Limited | 60 |
36 |
| Hisamitsu Pharmaceutical Co., Inc. | 775 |
34 |
| io Therapeutics, Inc. | 125 |
22 |
| Nogra Pharma Limited | 123 |
20 |
| Northwestern University | 3564 |
19 |
| Ovid Therapeutics Inc | 179 |
18 |
| Children's Medical Center Corporation | 1966 |
17 |
| President and Fellows of Harvard College | 6110 |
15 |
| Bristol-myers Squibb Company | 4764 |
14 |
| GNT Pharma Co., Ltd. | 35 |
14 |
| iCeutica Pty Ltd | 35 |
14 |
| Atriva Therapeutics GmbH | 25 |
14 |
| Dogwood Therapeutics, Inc. | 15 |
14 |
| The Regents of the University of California | 20842 |
13 |
| Inserm (institut National de La Sante et de La Recherche Medicale) | 3327 |
13 |
| Medisca Pharmaceutique Inc. | 139 |
13 |
| Horizon Therapeutics Ireland DAC | 116 |
13 |
| Immunic AG | 70 |
13 |
| B3ar Therapeutics, Inc. | 17 |
13 |
| Haleon CH SARL | 307 |
13 |
| Other owners | 1913 |