- 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: 1289
10-year publication summary
|
74
|
75
|
92
|
102
|
86
|
103
|
112
|
91
|
84
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4012 |
61 |
| Regeneron Pharmaceuticals, Inc. | 4370 |
51 |
| Amgen Inc. | 4122 |
31 |
| Hoffmann-La Roche Inc. | 3489 |
28 |
| F. Hoffmann-La Roche AG | 7946 |
24 |
| Takeda Pharmaceutical Company Limited | 2704 |
24 |
| Abbvie Inc. | 1800 |
21 |
| Bristol-myers Squibb Company | 4840 |
18 |
| Dr. Reddy's Laboratories Limited | 554 |
16 |
| Janssen Pharmaceutica N.V. | 3367 |
15 |
| Cytiva BioProcess R&D AB | 312 |
15 |
| EMD Millipore Corporation | 648 |
14 |
| Bio-Rad Laboratories, Inc. | 1619 |
14 |
| Green Cross Corporation | 202 |
13 |
| AbbVie Biotechnology Ltd. | 173 |
12 |
| Wuhan Healthgen Biotechnology Corp | 29 |
11 |
| Cargill, Incorporated | 2924 |
10 |
| Genzyme Corporation | 1295 |
10 |
| Kashiv Biosciences, LLC | 91 |
10 |
| Merck Patent GmbH | 5764 |
9 |
| Other owners | 882 |