C12N 9/6408
Serine endopeptidases
Official title: {Serine endopeptidases (3.4.21)}
C12N9/6408 (Serine endopeptidases) appears on 98 US grants and 151 published applications in this corpus.
Search patents in C12N- Granted patents
- 98
- Published applications
- 151
- Assignees
- 114
- Inventors
- 391
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 2 |
| 2003 | 1 | 7 |
| 2004 | 0 | 5 |
| 2005 | 1 | 3 |
| 2006 | 2 | 6 |
| 2007 | 5 | 4 |
| 2008 | 1 | 5 |
| 2009 | 3 | 10 |
| 2010 | 4 | 6 |
| 2011 | 7 | 4 |
| 2012 | 5 | 9 |
| 2013 | 0 | 4 |
| 2014 | 4 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 4 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 6 | 5 |
| 2020 | 4 | 6 |
| 2021 | 3 | 4 |
| 2022 | 5 | 10 |
| 2023 | 0 | 6 |
| 2024 | 4 | 16 |
| 2025 | 1 | 10 |
| 2026 | 4 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods of treating paraproteinemic neuropathy with anti-C2 antibodies18 Aug 2026US 12,708,664 B2argenx BV
- Method for increasing the extraction rate of chondroitin sulfate prepared from tilapia skull5 May 2026US 12,618,090 B2Guangdong Ocean University
- Horseshoe crab-derived recombinant factor G and method of measuring β-glucan using same10 Feb 2026US 12,545,711 B2FUJIFILM Corporation
- Horseshoe crab factor B variant3 Feb 2026US 12,540,349 B2Seikagaku Corporation
- Purified fish proteases with high specific activities and its process of production10 Jun 2025US 12,325,868 B2Bioseutica B.V.
- Granzyme expressing t cells and methods of use27 Aug 2026US 2026/0248851 A1The Regents of the University of Colorado, a body corporate
- Bi-specific adapters and their use with universal car-t cells in the treatment of tumors and the inhibition of cancer-associated fibroblasts27 Aug 2026US 2026/0248923 A1Purdue Research Foundation
- Modified subtilisin proteins & uses thereof6 Aug 2026US 2026/0226447 A1University of Tennessee Research Foundation
- Recombinant protease for cell detachment23 Jul 2026US 2026/0209737 A1Novo Nordisk Pharmatech A/S
- Method for producing recombinant horseshoe crab factor, endotoxin assay agent, and method for producing endotoxin assay agent23 Jul 2026US 2026/0209738 A1Seikagaku Corporation
Most cited
By later US patents
- Subtilisin variants87US 6,902,922 B2Maxygen, Inc. · 2005
- Subtilisin variants73US 7,220,566 B2Maxygen, Inc. · 2007
- Sushi peptide multimer73US 7,763,704 B2National University of Singapore · 2010
- Methods for treating conditions associated with MASP-2 dependent complement activation60US 7,919,094 B2Omeros Corporation · 2011
- Membrane type serine protease 1 (MT-SP1) and uses thereof57US 7,030,231 B1Catalyst Biosciences, Inc. · 2006