- 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: 1339
10-year publication summary
|
84
|
99
|
112
|
95
|
119
|
119
|
107
|
91
|
78
|
43
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 4110 |
60 |
| Regeneron Pharmaceuticals, Inc. | 4727 |
52 |
| Amgen Inc. | 4429 |
36 |
| Hoffmann-La Roche Inc. | 3796 |
29 |
| Takeda Pharmaceutical Company Limited | 2710 |
26 |
| F. Hoffmann-La Roche AG | 7819 |
25 |
| Abbvie Inc. | 1824 |
21 |
| Bristol-myers Squibb Company | 4751 |
18 |
| Bio-Rad Laboratories, Inc. | 1612 |
16 |
| Dr. Reddy's Laboratories Limited | 554 |
16 |
| Janssen Pharmaceutica N.V. | 3162 |
15 |
| Cytiva BioProcess R&D AB | 324 |
15 |
| EMD Millipore Corporation | 631 |
14 |
| Kashiv Biosciences, LLC | 108 |
14 |
| Green Cross Corporation | 220 |
13 |
| AbbVie Biotechnology Ltd. | 178 |
12 |
| Cargill, Incorporated | 2956 |
12 |
| Wuhan Healthgen Biotechnology Corp | 29 |
11 |
| Merck Patent GmbH | 5729 |
10 |
| Genzyme Corporation | 1367 |
10 |
| Other owners | 914 |