- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 9/24 - Layered or laminated unitary dosage forms
Patent holdings for IPC class A61K 9/24
Total number of patents in this class: 1290
10-year publication summary
|
133
|
133
|
103
|
103
|
95
|
105
|
93
|
77
|
77
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Purdue Pharma L.P. | 500 |
45 |
| Purdue Pharmaceuticals L.P. | 45 |
41 |
| Hanmi Pharm. Co., Ltd. | 566 |
28 |
| Sanovel Ilac Sanayi ve Ticaret A.S. | 271 |
25 |
| Triastek, Inc. | 70 |
20 |
| Locl Pharma, Inc. | 19 |
19 |
| Boehringer Ingelheim International GmbH | 4732 |
18 |
| Ohemo Life Sciences Inc | 23 |
17 |
| Takeda Pharmaceutical Company Limited | 2700 |
15 |
| Korea United Pharm. Inc. | 69 |
15 |
| Abbvie Inc. | 1783 |
14 |
| Supernus Pharmaceuticals, Inc. | 133 |
13 |
| Gilead Sciences, Inc. | 2009 |
12 |
| Antecip Bioventures II LLC | 325 |
11 |
| Axsome Therapeutics, Inc. | 239 |
11 |
| Cosmo Technologies Limited | 115 |
10 |
| Lupin Limited | 434 |
10 |
| Ranbaxy Laboratories Limited | 335 |
9 |
| Fertin Pharma A/S | 248 |
9 |
| Anji Pharmaceuticals Inc. | 37 |
9 |
| Other owners | 939 |