- 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: 3163
10-year publication summary
|
406
|
449
|
441
|
368
|
337
|
341
|
310
|
255
|
206
|
69
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Antecip Bioventures II LLC | 300 |
174 |
| Purdue Pharma L.P. | 519 |
138 |
| Alkermes Pharma Ireland Limited | 307 |
66 |
| Purdue Pharmaceuticals L.P. | 47 |
47 |
| Euro-celtique S.A. | 124 |
46 |
| Indivior UK Limited | 201 |
43 |
| Nalpropion Pharmaceuticals LLC | 72 |
42 |
| Toray Industries, Inc. | 6652 |
37 |
| LTS Lohmann Therapie-Systeme AG | 691 |
34 |
| Rhodes Technologies | 64 |
34 |
| Ldn Pharma Limited | 38 |
34 |
| SpecGx LLC | 197 |
33 |
| Zevra Therapeutics, Inc. | 85 |
30 |
| Nektar Therapeutics | 503 |
27 |
| The Procter & Gamble Company | 22178 |
25 |
| Pharnext | 106 |
25 |
| Grünenthal GmbH | 625 |
23 |
| Ohemo Life Sciences Inc | 23 |
22 |
| Wyeth LLC | 691 |
20 |
| Mallinckrodt LLC | 135 |
20 |
| Other owners | 2243 |