- All sections
- C - Chemistrymetallurgy
- C07K - Peptides
- C07K 1/18 - Ion-exchange chromatography
Patent holdings for IPC class C07K 1/18
Total number of patents in this class: 1269
10-year publication summary
|
84
|
84
|
99
|
112
|
95
|
118
|
117
|
106
|
84
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 3971 |
59 |
| Regeneron Pharmaceuticals, Inc. | 4255 |
50 |
| Amgen Inc. | 4072 |
31 |
| Hoffmann-La Roche Inc. | 3414 |
28 |
| F. Hoffmann-La Roche AG | 7930 |
24 |
| Takeda Pharmaceutical Company Limited | 2714 |
24 |
| Abbvie Inc. | 1802 |
21 |
| Bristol-myers Squibb Company | 4878 |
18 |
| Dr. Reddy's Laboratories Limited | 552 |
16 |
| Janssen Pharmaceutica N.V. | 3395 |
15 |
| Cytiva BioProcess R&D AB | 302 |
15 |
| EMD Millipore Corporation | 649 |
14 |
| Bio-Rad Laboratories, Inc. | 1615 |
14 |
| Green Cross Corporation | 201 |
13 |
| AbbVie Biotechnology Ltd. | 173 |
12 |
| Wuhan Healthgen Biotechnology Corp | 29 |
11 |
| Cargill, Incorporated | 2899 |
10 |
| Genzyme Corporation | 1244 |
10 |
| Kashiv Biosciences, LLC | 86 |
10 |
| Merck Patent GmbH | 5830 |
9 |
| Other owners | 865 |