C12N 15/71
Expression systems using regulatory sequences derived from the trp-operon
C12N15/71 (Expression systems using regulatory sequences derived from the trp-operon) appears on 93 US grants and 31 published applications in this corpus.
Search patents in C12N- Granted patents
- 93
- Published applications
- 31
- Assignees
- 41
- Inventors
- 165
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 12 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chimeric receptor binding proteins for use in bacterial delivery vehicles8 Sep 2026US 12,729,223 B2Eligo Bioscience
- Compositions and methods for enhanced production of enduracidin in a genetically engineered strain of streptomyces fungicidicus2 Jan 2024US 11,858,967 B2Oregon State University
- Chimeric receptor binding proteins for use in bacterial delivery vehicles30 May 2023US 11,661,443 B2Eligo Bioscience
- Chimeric receptor binding proteins for use in bacterial delivery vehicles29 Nov 2022US 11,512,116 B2Eligo Bioscience
- Compositions and methods for enhanced production of enduracidin in a genetically engineered strain of streptomyces fungicidicus20 Sep 2022US 11,447,530 B2Oregon State University
- 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
- Chimeric receptor binding proteins for use in bacterial delivery vehicles7 Sep 2023US 2023/0279058 A1Eligo Bioscience
- Compositions and methods for enhanced production of enduracidin in a genetically engineered strain of streptomyces fungicidicus20 Apr 2023US 2023/0120672 A1Oregon State University
- L-tyrosine-producing microorganism and method for producing l-tyrosine using the same23 Jun 2022US 2022/0195470 A1Cj Cheiljedang Corporation
Most cited
By later US patents
- Derivative of the tryptophan operon for expression of fused gene products145US 4,738,921 AEli Lilly and Company · 1988
- Human tissue plasminogen activator136US 4,766,075 AGenentech, Inc. · 1988
- Human immune interferon96US 4,727,138 AGenentech, Inc. · 1988
- Methods of treatment using Alzheimer's amyloid polypeptide derivatives93US 5,187,153 AScios Nova Inc. · 1993
- DNA sequence useful for the detection of Alzheimer's disease83US 5,220,013 AScios Nova Inc. · 1993