A61K 38/20
Interleukins [il]
Official title: Interleukins [IL]
A61K38/20 (Interleukins [il]) appears on 2,790 US grants and 5,019 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,790
- Published applications
- 5,019
- Assignees
- 1,797
- Inventors
- 7,713
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 23 | 0 |
| 1993 | 34 | 0 |
| 1994 | 25 | 0 |
| 1995 | 20 | 0 |
| 1996 | 22 | 0 |
| 1997 | 38 | 0 |
| 1998 | 53 | 0 |
| 1999 | 45 | 0 |
| 2000 | 42 | 0 |
| 2001 | 34 | 20 |
| 2002 | 50 | 78 |
| 2003 | 38 | 124 |
| 2004 | 26 | 119 |
| 2005 | 24 | 143 |
| 2006 | 41 | 134 |
| 2007 | 33 | 182 |
| 2008 | 55 | 114 |
| 2009 | 49 | 149 |
| 2010 | 68 | 157 |
| 2011 | 60 | 169 |
| 2012 | 76 | 144 |
| 2013 | 78 | 151 |
| 2014 | 96 | 191 |
| 2015 | 110 | 191 |
| 2016 | 120 | 212 |
| 2017 | 140 | 190 |
| 2018 | 123 | 217 |
| 2019 | 161 | 314 |
| 2020 | 160 | 264 |
| 2021 | 188 | 333 |
| 2022 | 184 | 350 |
| 2023 | 119 | 313 |
| 2024 | 148 | 305 |
| 2025 | 159 | 261 |
| 2026 | 109 | 194 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods of reducing neuroinflammation6 Oct 2026US 12,751,994 B2ImmunityBio, Inc.
- Biased IL2 muteins methods and compositions15 Sep 2026US 12,734,215 B2Synthekine, Inc.
- Treatment of immunosuppressed subjects15 Sep 2026US 12,734,216 B2NantCell, Inc.
- Histamine receptor agonists for cancer therapy in cancer patients unresponsive to cancer immunotherapy and with elevated myeloid derived suppressor cells25 Aug 2026US 12,714,695 B2TSP Therapeutics Inc.
- Treatment using cytokine encoding RNA18 Aug 2026US 12,708,643 B2BioNTech SE
- Novel conjugate of immune-stimulating il-2 analog and preparation method thereof8 Oct 2026US 2026/0306646 A1Hanmi Pharm. Co., Ltd.
- Targeted lipid nanoparticles for treating central nervous system injuries8 Oct 2026US 2026/0306665 A1Wisconsin Alumni Research Foundation
- Histamine receptor agonists for cancer therapy in cancer patients unresponsive to cancer immunotherapy and with elevated myeloid derived suppressor cells1 Oct 2026US 2026/0294873 A1TSP Therapeutics Inc.
- Micronized compositions for wound healing prepared from human umbilical cord tissue and intact amnion-chorion tissue having an intact intermediate spongy layer positioned there between1 Oct 2026US 2026/0294982 A1Biostem Technologies, Inc.
- Oncolytic virus therapy1 Oct 2026US 2026/0294987 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
Most cited
By later US patents
- Gene therapy759US 5,399,346 AThe United States of America as represented by the Department of Health and Human Services · 1995
- Handheld electromechanical surgical system627US 10,932,784 B2Covidien LP · 2021
- Solubilization of proteins for pharmaceutical compositions using polymer conjugation538US 4,766,106 ACetus Corporation · 1988
- Interleukin-2 muteins and polymer conjugation thereof444US 5,206,344 ACetus Oncology Corporation · 1993
- Adoptive immunotherapy as a treatment modality in humans344US 4,690,915 AThe United States of America as represented by the Department of Health and Human Services · 1987