- 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: 3138
10-year publication summary
|
107
|
113
|
162
|
163
|
187
|
190
|
186
|
173
|
165
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Chemiphar Co., Ltd. | 229 |
62 |
| Shionogi & Co., Ltd. | 834 |
51 |
| Grünenthal GmbH | 549 |
48 |
| Taisho Pharmaceutical Co., Ltd. | 867 |
36 |
| Purdue Pharma L.P. | 495 |
34 |
| AstraZeneca AB | 2834 |
30 |
| Toray Industries, Inc. | 7019 |
29 |
| Astellas Pharma Inc. | 1048 |
28 |
| Daiichi Sankyo Company, Limited | 1876 |
28 |
| Takeda Pharmaceutical Company Limited | 2709 |
27 |
| The Regents of the University of California | 20315 |
24 |
| Vertex Pharmaceuticals Incorporated | 1628 |
18 |
| Eli Lilly and Company | 3951 |
18 |
| LTS Lohmann Therapie-Systeme AG | 703 |
18 |
| Janssen Pharmaceutica N.V. | 3345 |
17 |
| Laboratorios Del Dr. Esteve, S.A. | 162 |
17 |
| Nippon Zoki Pharmaceutical Co., Ltd. | 142 |
16 |
| Sichuan Haisco Pharmaceutical Co., Ltd. | 151 |
16 |
| Euro-celtique S.A. | 100 |
15 |
| Katholieke Universiteit Leuven | 1226 |
15 |
| Other owners | 2591 |