C12N 15/72
Expression systems using regulatory sequences derived from the lac-operon
C12N15/72 (Expression systems using regulatory sequences derived from the lac-operon) appears on 127 US grants and 137 published applications in this corpus.
Search patents in C12N- Granted patents
- 127
- Published applications
- 137
- Assignees
- 129
- Inventors
- 436
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 3 |
| 2003 | 5 | 5 |
| 2004 | 7 | 7 |
| 2005 | 2 | 2 |
| 2006 | 5 | 7 |
| 2007 | 2 | 5 |
| 2008 | 3 | 6 |
| 2009 | 2 | 4 |
| 2010 | 4 | 3 |
| 2011 | 3 | 3 |
| 2012 | 1 | 3 |
| 2013 | 6 | 2 |
| 2014 | 3 | 8 |
| 2015 | 4 | 2 |
| 2016 | 3 | 5 |
| 2017 | 7 | 13 |
| 2018 | 5 | 4 |
| 2019 | 3 | 6 |
| 2020 | 2 | 2 |
| 2021 | 3 | 4 |
| 2022 | 7 | 11 |
| 2023 | 2 | 4 |
| 2024 | 4 | 8 |
| 2025 | 6 | 12 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Expression of electrically conductive protein nanowires in Escherichia coli6 Oct 2026US 12,753,210 B2University of Massachusetts
- Protein having 1,3-fucosyltransferase activity, and method for producing fucose-containing sugar7 Apr 2026US 12,595,499 B2Plumino Precision Fermentation Japan Co., Ltd.
- Promoter and use thereof10 Mar 2026US 12,570,989 B2Azenta US, Inc.
- Large vectors and methods for high-yield production10 Mar 2026US 12,570,990 B2Katholieke Universiteit Leuven
- Engineered sucrose phosphorylase variant enzymes25 Nov 2025US 12,480,104 B2Codexis, Inc.
- Host cell for improving stability of plasmid10 Sep 2026US 2026/0265764 A1Nanjing GenScript Biotech Co., Ltd.
- High-throughput method for screening alpha-1,2-fucosyltransferase and screened mutant13 Aug 2026US 2026/0234693 A1Jiangnan University
- A genetically engineered bacterium and genetically stable method for the production of metabolites, peptides, and-or recombinant proteins25 Jun 2026US 2026/0176664 A1
- Genetically engineered bacteria for producing d-pantothenic acid, construction method and application28 May 2026US 2026/0146269 A1Zhejiang University of Technology
- Probiotics designed to express and secrete akkermansia muciniphila tars, and a vector for producing the same19 Mar 2026US 2026/0078385 A1Korea Research Institute of Bioscience and Biotechnolgy
Most cited
By later US patents
- Process for the preparation of recombinant proteins in E. coli by high cell density fermentation69US 6,410,270 B1Merck Patent Gesellschaft · 2002
- Rapid growing microorganisms for biotechnology applications61US 6,709,852 B1Invitrogen Corporation · 2004
- Protein synthesis60US 4,332,892 APresident and Fellows of Harvard College · 1982
- Expression vectors50US 6,117,651 ANeose Technologies, Inc. · 2000
- Mutagenesis testing using transgenic non-human animals carrying test DNA sequences40US 5,510,099 AStratagene · 1996