- All sections
- C - Chemistry; metallurgy
- C07K - Peptides
- C07K 1/18 - Ion-exchange chromatography
Patent holdings for IPC class C07K 1/18
Total number of patents in this class: 1184
10-year publication summary
|
87
|
84
|
84
|
99
|
112
|
95
|
116
|
114
|
99
|
21
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Genentech, Inc. | 3742 |
55 |
| Regeneron Pharmaceuticals, Inc. | 3650 |
42 |
| F. Hoffmann-La Roche AG | 7958 |
26 |
| Hoffmann-La Roche Inc. | 3060 |
26 |
| Amgen Inc. | 3779 |
26 |
| Takeda Pharmaceutical Company Limited | 2961 |
26 |
| Abbvie Inc. | 1808 |
21 |
| Bristol-myers Squibb Company | 5080 |
18 |
| Cytiva BioProcess R&D AB | 287 |
17 |
| Janssen Pharmaceutica N.V. | 3839 |
14 |
| EMD Millipore Corporation | 657 |
14 |
| Dr. Reddy's Laboratories Limited | 551 |
13 |
| AbbVie Biotechnology Ltd. | 185 |
12 |
| Bio-Rad Laboratories, Inc. | 1592 |
12 |
| Green Cross Corporation | 179 |
12 |
| Merck Patent GmbH | 5909 |
10 |
| Cargill, Incorporated | 2835 |
10 |
| Kashiv Biosciences, LLC | 100 |
10 |
| Genzyme Corporation | 1205 |
9 |
| Green Cross Holdings Corporation | 46 |
9 |
| Other owners | 802 |