C12N 15/10
Processes for the isolation, preparation or purification of dna or rna
Official title: Processes for the isolation, preparation or purification of DNA or RNA (chemical preparation of DNA or RNA C07H21/00; preparation of non-structural polynucleotides from microorganisms or with enzymes C12P19/34)
C12N15/10 (Processes for the isolation, preparation or purification of dna or rna) appears on 11,081 US grants and 18,386 published applications in this corpus.
Search patents in C12N- Granted patents
- 11,081
- Published applications
- 18,386
- Assignees
- 4,747
- Inventors
- 27,468
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 12 | 0 |
| 1987 | 16 | 0 |
| 1988 | 10 | 0 |
| 1989 | 17 | 0 |
| 1990 | 20 | 0 |
| 1991 | 26 | 0 |
| 1992 | 33 | 0 |
| 1993 | 47 | 0 |
| 1994 | 50 | 0 |
| 1995 | 72 | 0 |
| 1996 | 112 | 0 |
| 1997 | 190 | 0 |
| 1998 | 270 | 0 |
| 1999 | 226 | 0 |
| 2000 | 232 | 0 |
| 2001 | 287 | 79 |
| 2002 | 295 | 471 |
| 2003 | 245 | 702 |
| 2004 | 207 | 497 |
| 2005 | 163 | 509 |
| 2006 | 204 | 431 |
| 2007 | 173 | 381 |
| 2008 | 142 | 364 |
| 2009 | 148 | 450 |
| 2010 | 238 | 444 |
| 2011 | 248 | 430 |
| 2012 | 202 | 414 |
| 2013 | 257 | 500 |
| 2014 | 333 | 591 |
| 2015 | 355 | 623 |
| 2016 | 360 | 690 |
| 2017 | 442 | 735 |
| 2018 | 473 | 936 |
| 2019 | 529 | 1047 |
| 2020 | 679 | 1184 |
| 2021 | 640 | 1224 |
| 2022 | 658 | 1257 |
| 2023 | 678 | 1282 |
| 2024 | 636 | 1258 |
| 2025 | 684 | 1071 |
| 2026 | 446 | 816 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Peptide libraries with non-canonical amino acids6 Oct 2026US 12,753,205 B2Regeneron Pharmaceuticals, Inc.
- CRISPR-mediated directed codon re-write6 Oct 2026US 12,753,398 B2Limagrain Europe S.A.
- Orthogonal ubiquitin transfer as a method to identify cellular substrates of E3 ubiquitin ligases6 Oct 2026US 12,753,402 B2Georgia State University Research Foundation, Inc.
- Method for transducing protein-protein interactions6 Oct 2026US 12,753,403 B2ETH Zurich
- Method and use for construction of sequencing library based on DNA samples6 Oct 2026US 12,753,404 B2MGI Tech Co., Ltd.
- Polymerase variants8 Oct 2026US 2026/0308540 A1Twist Bioscience Corporation
- Engineered compact crispr-cas12f system8 Oct 2026US 2026/0308554 A1
- Adenine base editors with reduced off-target effects8 Oct 2026US 2026/0308561 A1President and Fellows of Harvard College
- 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.
Most cited
By later US patents
- Process for amplifying nucleic acid sequences5,960US 4,683,202 ACetus Corporation · 1987
- Directed evolution of novel binding proteins2,450US 5,223,409 AProtein Engineering Corporation · 1993
- Production of chimeric antibodies - a combinatorial approach1,367US 5,565,332 ACambridge Antibody Technology Limited · 1996
- CRISPR-Cas systems and methods for altering expression of gene products1,186US 8,697,359 B1Massachusetts Institute of Technology · 2014
- Viruses expressing chimeric binding proteins1,136US 5,403,484 AProtein Engineering Corporation · 1995