A61K 47/6455
Polycationic oligopeptides, polypeptides or polyamino acids
Official title: {Polycationic oligopeptides, polypeptides or polyamino acids, e.g. for complexing nucleic acids}
A61K47/6455 (Polycationic oligopeptides, polypeptides or polyamino acids) appears on 299 US grants and 669 published applications in this corpus.
Search patents in A61K- Granted patents
- 299
- Published applications
- 669
- Assignees
- 315
- Inventors
- 1,147
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 3 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 0 | 16 |
| 2010 | 2 | 15 |
| 2011 | 4 | 19 |
| 2012 | 4 | 13 |
| 2013 | 8 | 18 |
| 2014 | 9 | 24 |
| 2015 | 20 | 24 |
| 2016 | 19 | 49 |
| 2017 | 29 | 25 |
| 2018 | 21 | 56 |
| 2019 | 22 | 49 |
| 2020 | 28 | 43 |
| 2021 | 26 | 52 |
| 2022 | 22 | 46 |
| 2023 | 16 | 52 |
| 2024 | 29 | 55 |
| 2025 | 23 | 62 |
| 2026 | 12 | 36 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Compositions and methods for cancer therapy25 Aug 2026US 12,714,723 B2AIM ImmunoTech Inc.
- Compositions comprising a tweak ligand and methods of using same25 Aug 2026US 12,714,740 B2Children's Hospital Medical Center
- Compositions and methods of nucleic acid-targeting nucleic acids21 Jul 2026US 12,686,865 B2Caribou Biosciences, Inc.
- Method to enhance the efficiency of systemic AAV gene delivery to the central nervous system23 Jun 2026US 12,661,412 B2University of Massachusetts
- Multi-targeted, tunable, sustained delivery of payloads to charged avascular tissues16 Jun 2026US 12,653,899 B2Massachusetts Institute of Technology
- Polypeptide adjuvants and uses thereof24 Sep 2026US 2026/0284209 A1Board of Regents, The University of Texas System
- Cationic amphiphilic polypeptide for delivering rna and method for preparing the same27 Aug 2026US 2026/0248932 A1Inha University Research and Business Foundation
- Cell-penetrating peptides, conjugates thereof, and methods of their use13 Aug 2026US 2026/0234616 A1Pepgen Corporation
- Multi-functional lipid nanoparticles and uses thereof6 Aug 2026US 2026/0224507 A1University of Tennessee Research Foundation
- Process for producing dna formulations with lipopolymer delivery systems30 Jul 2026US 2026/0216375 A1Imunon, Inc.
Most cited
By later US patents
- Sustained delivery of polyionic bioactive agents117US 6,395,029 B1The Children’s Hospital of Philadelphia · 2002
- Polynucleotide delivering complex for target cell86US 8,759,103 B2Postech Academy-Industry Foundation · 2014
- Cationic lipids85US 8,759,104 B2The University Court of the University of Edinburgh · 2014
- Vaccination in newborns and infants79US 9,623,095 B2CureVac AG · 2017
- Pharmaceutical composition containing a stabilised mRNA optimised for translation in its coding regions75US 10,188,748 B2CureVac AG · 2019