- All sections
- A - Human necessities
- A61K - Preparations for medical, dental or toiletry purposes
- A61K 31/485 - Morphinan derivatives, e.g. morphine, codeine
Patent holdings for IPC class A61K 31/485
Total number of patents in this class: 3246
10-year publication summary
|
442
|
368
|
337
|
340
|
312
|
257
|
218
|
231
|
200
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Antecip Bioventures II LLC | 360 |
235 |
| Purdue Pharma L.P. | 494 |
136 |
| Alkermes Pharma Ireland Limited | 256 |
52 |
| Purdue Pharmaceuticals L.P. | 47 |
47 |
| Nalpropion Pharmaceuticals LLC | 71 |
44 |
| Indivior UK Limited | 192 |
42 |
| Ldn Pharma Limited | 44 |
39 |
| Toray Industries, Inc. | 7045 |
34 |
| Euro-celtique S.A. | 88 |
33 |
| Zevra Therapeutics, Inc. | 109 |
32 |
| SpecGx LLC | 186 |
31 |
| LTS Lohmann Therapie-Systeme AG | 685 |
30 |
| Trevi Therapeutics, Inc. | 38 |
27 |
| Rhodes Technologies | 56 |
25 |
| Nektar Therapeutics | 422 |
22 |
| Ohemo Life Sciences Inc | 23 |
22 |
| Camurus AB | 147 |
20 |
| Mallinckrodt LLC | 131 |
20 |
| Medrx Co., Ltd. | 125 |
20 |
| Nippon Chemiphar Co., Ltd. | 225 |
20 |
| Other owners | 2315 |