C12N 15/1003
Extracting or separating nucleic acids from biological samples
Official title: {Extracting or separating nucleic acids from biological samples, e.g. pure separation or isolation methods; Conditions, buffers or apparatuses therefor}
C12N15/1003 (Extracting or separating nucleic acids from biological samples) appears on 2,524 US grants and 3,933 published applications in this corpus.
Search patents in C12N- Granted patents
- 2,524
- Published applications
- 3,933
- Assignees
- 1,487
- Inventors
- 7,016
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 15 | 0 |
| 1995 | 20 | 0 |
| 1996 | 23 | 0 |
| 1997 | 52 | 0 |
| 1998 | 53 | 0 |
| 1999 | 47 | 0 |
| 2000 | 48 | 0 |
| 2001 | 57 | 24 |
| 2002 | 51 | 93 |
| 2003 | 52 | 96 |
| 2004 | 44 | 88 |
| 2005 | 35 | 118 |
| 2006 | 36 | 115 |
| 2007 | 33 | 99 |
| 2008 | 25 | 91 |
| 2009 | 41 | 118 |
| 2010 | 53 | 122 |
| 2011 | 80 | 122 |
| 2012 | 47 | 103 |
| 2013 | 65 | 129 |
| 2014 | 84 | 170 |
| 2015 | 106 | 165 |
| 2016 | 102 | 177 |
| 2017 | 122 | 189 |
| 2018 | 137 | 209 |
| 2019 | 125 | 207 |
| 2020 | 168 | 237 |
| 2021 | 139 | 242 |
| 2022 | 137 | 231 |
| 2023 | 142 | 208 |
| 2024 | 111 | 217 |
| 2025 | 127 | 202 |
| 2026 | 91 | 161 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Biomolecule extraction method29 Sep 2026US 12,747,437 B2Craif Inc.
- Channeled fibers in separation of biologically active nanoparticles22 Sep 2026US 12,741,234 B2Clemson University Research Foundation
- Rotor mixer for agitation of fluids during sample preparation22 Sep 2026US 12,742,145 B2Siemens Healthcare Diagnostics Inc.
- Isolation of nucleic acids at elevated temperatures22 Sep 2026US 12,742,165 B2Bioecho Life Sciences GmbH
- Methods and systems for processing polynucleotides22 Sep 2026US 12,742,166 B210x Genomics, Inc.
- Automated extraction of nucleic acid samples from a plurality of samples8 Oct 2026US 2026/0308566 A1Untap Ltd
- Removal of exosomes, ectosomes, mirnas, circulating nucleic acids, and viral particles with transplantation8 Oct 2026US 2026/0308567 A1Aethlon Medical, Inc.
- Methods for isolating a microbial analyte8 Oct 2026US 2026/0308670 A1Gen-Probe Incorporated
- Semi-solid phase extraction of nucleic acids using a quaternary salt and cation mixture in alkaline conditions1 Oct 2026US 2026/0297555 A1Biocartis NV
- Gel Analysis of RNA1 Oct 2026US 2026/0297556 A1
Most cited
By later US patents
- Process for isolating nucleic acid621US 5,234,809 AAkzo N. V. · 1993
- 2'deoxy-2'-alkylnucleotide containing nucleic acid521US 5,627,053 ARibozyme Pharmaceuticals, Inc. · 1997
- Automated nucleic acid isolation409US 5,863,801 ASarnoff Corporation · 1999
- DNA purification and isolation using magnetic particles400US 5,705,628 AWhitehead Institute for Biomedical Research · 1998
- Method of producing oligonucleotide arrays with features of high purity305US 6,077,674 AAgilent Technologies, Inc. · 2000