C07K 2319/21
Containing a his-tag
Official title: containing a His-tag
C07K2319/21 (Containing a his-tag) appears on 1,415 US grants and 2,495 published applications in this corpus.
Search patents in C07K- Granted patents
- 1,415
- Published applications
- 2,495
- Assignees
- 1,209
- Inventors
- 5,428
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 5 | 2 |
| 2002 | 14 | 34 |
| 2003 | 10 | 50 |
| 2004 | 10 | 42 |
| 2005 | 24 | 49 |
| 2006 | 20 | 53 |
| 2007 | 21 | 50 |
| 2008 | 21 | 33 |
| 2009 | 33 | 57 |
| 2010 | 31 | 50 |
| 2011 | 23 | 46 |
| 2012 | 30 | 78 |
| 2013 | 38 | 80 |
| 2014 | 50 | 119 |
| 2015 | 51 | 104 |
| 2016 | 89 | 141 |
| 2017 | 87 | 128 |
| 2018 | 95 | 126 |
| 2019 | 94 | 137 |
| 2020 | 100 | 149 |
| 2021 | 107 | 172 |
| 2022 | 96 | 199 |
| 2023 | 83 | 164 |
| 2024 | 101 | 187 |
| 2025 | 90 | 148 |
| 2026 | 64 | 97 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric forms of H-NOX proteins6 Oct 2026US 12,753,222 B2Omniox.Inc.
- Modified nucleases22 Sep 2026US 12,742,163 B2Artisan Developments Labs, INC
- Klebsiella vaccine and methods of use11 Aug 2026US 12,702,704 B2Cornell University
- Recombinant mucins, and compositions and methods for using the same11 Aug 2026US 12,703,727 B2Cornell University
- Recombinant proteins based on fibrinogen11 Aug 2026US 12,703,737 B2Sartorius Lab Instruments GmbH & Co. KG
- Polymerase variants8 Oct 2026US 2026/0308540 A1Twist Bioscience Corporation
- Recombinant cd47 binding proteins and their use1 Oct 2026US 2026/0297190 A1Molecular Partners AG
- Masking polypeptides, activatable cytokine constructs, and related compositions and methods24 Sep 2026US 2026/0285906 A1CytomX Therapeutics, Inc.
- Method for producing the subunits of human interleukin 35 from interleukin 12 and interleukin 2724 Sep 2026US 2026/0285930 A1Technische Universitaet Muenchen, in Vertretung des Freistaates Bayern
- Biosynthesis-based preparation method for structural material of human body24 Sep 2026US 2026/0285941 A1Shanxi Jinbo Bio-Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Methods for protein labeling based on acyl carrier protein163US 7,666,612 B2(Epfl) Ecole Polytechnique Federale De Lausanne · 2010
- Albumin fusion proteins157US 6,905,688 B2Human Genome Sciences, Inc. · 2005
- Modified proteins comprising controllable intervening protein sequences or their elements methods of producing same and methods for purification of a target protein comprised by a modified protein139US 5,834,247 ANew England Biolabs, Inc. · 1998
- Method of isolation and purification of fusion polypeptides138US 5,532,142 ABoard of Regents, The University of Texas System · 1996
- Modification of protein by use of a controllable interveining protein sequence95US 5,496,714 ANew England Biolabs, Inc. · 1996