- All sections
- A - Human necessities
- A61P - Specific therapeutic activity of chemical compounds or medicinal preparations
- A61P 25/04 - Centrally acting analgesics, e.g. opioids
Patent holdings for IPC class A61P 25/04
Total number of patents in this class: 3104
10-year publication summary
|
118
|
139
|
136
|
197
|
204
|
229
|
236
|
230
|
177
|
114
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Chemiphar Co., Ltd. | 229 |
64 |
| Shionogi & Co., Ltd. | 851 |
53 |
| Grünenthal GmbH | 568 |
51 |
| Taisho Pharmaceutical Co., Ltd. | 870 |
36 |
| Purdue Pharma L.P. | 500 |
35 |
| AstraZeneca AB | 2900 |
30 |
| Toray Industries, Inc. | 6951 |
29 |
| Astellas Pharma Inc. | 1091 |
29 |
| Daiichi Sankyo Company, Limited | 1874 |
28 |
| Takeda Pharmaceutical Company Limited | 2696 |
27 |
| The Regents of the University of California | 19943 |
24 |
| Vertex Pharmaceuticals Incorporated | 1595 |
18 |
| Janssen Pharmaceutica N.V. | 3384 |
17 |
| Eli Lilly and Company | 3848 |
17 |
| Laboratorios Del Dr. Esteve, S.A. | 166 |
17 |
| Euro-celtique S.A. | 102 |
16 |
| Nippon Zoki Pharmaceutical Co., Ltd. | 142 |
16 |
| Sichuan Haisco Pharmaceutical Co., Ltd. | 151 |
16 |
| Katholieke Universiteit Leuven | 1189 |
15 |
| LTS Lohmann Therapie-Systeme AG | 696 |
15 |
| Other owners | 2551 |