A61K 38/21
Interferons [ifn]
Official title: Interferons {[IFN]}
A61K38/21 (Interferons [ifn]) appears on 2,318 US grants and 3,923 published applications in this corpus.
Search patents in A61K- Granted patents
- 2,318
- Published applications
- 3,923
- Assignees
- 1,441
- Inventors
- 5,719
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 24 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 30 | 0 |
| 1993 | 39 | 0 |
| 1994 | 17 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 33 | 0 |
| 1998 | 48 | 0 |
| 1999 | 58 | 0 |
| 2000 | 45 | 0 |
| 2001 | 47 | 19 |
| 2002 | 56 | 92 |
| 2003 | 33 | 134 |
| 2004 | 35 | 147 |
| 2005 | 42 | 168 |
| 2006 | 43 | 144 |
| 2007 | 36 | 188 |
| 2008 | 58 | 181 |
| 2009 | 59 | 167 |
| 2010 | 70 | 146 |
| 2011 | 59 | 168 |
| 2012 | 101 | 157 |
| 2013 | 94 | 202 |
| 2014 | 124 | 239 |
| 2015 | 155 | 221 |
| 2016 | 122 | 204 |
| 2017 | 127 | 162 |
| 2018 | 93 | 139 |
| 2019 | 113 | 129 |
| 2020 | 77 | 142 |
| 2021 | 75 | 180 |
| 2022 | 84 | 174 |
| 2023 | 59 | 164 |
| 2024 | 58 | 103 |
| 2025 | 71 | 90 |
| 2026 | 35 | 63 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Application of TFF2 protein and IFN-κ protein combination in treatment of a novel coronavirus infection6 Oct 2026US 12,751,996 B2Shandong Ruiying Pioneer Pharmaceutical Co., Ltd
- Application of PEG-interferon and protooncogene product targeting inhibitor in synergistic inhibition of tumors22 Sep 2026US 12,741,012 B2Shanghai Institute of Biological Products Co., Ltd.
- Test to predict and evaluate innate immune responses to infections and methods of treatment thereof22 Sep 2026US 12,742,778 B2
- Use of membrane inhibitors to enhance vaccine development against enveloped viruses8 Sep 2026US 12,728,161 B2Cornell University
- Compositions and methods for cancer therapy25 Aug 2026US 12,714,723 B2AIM ImmunoTech Inc.
- Oncolytic virus therapy1 Oct 2026US 2026/0294987 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Methods of treating chronic hepatitis b24 Sep 2026US 2026/0286361 A1GlaxoSmithKline Intellectual Property Development Limited
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy17 Sep 2026US 2026/0272985 A1Iovance Biotherapeutics, Inc.
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy17 Sep 2026US 2026/0272986 A1Iovance Biotherapeutics, Inc.
- Delivery of protein extracellularly10 Sep 2026US 2026/0263370 A1
Most cited
By later US patents
- Retrograde tissue splitter and method1,605US 5,449,355 AValleylab, Inc. · 1995
- Retrograde tissue splitter and method1,585US 5,797,906 AValleylab, Inc. · 1998
- 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
- Method for treatment of cancer by inhibiting the immunosuppressive signal induced by PD-1328US 7,595,048 B2Ono Pharmaceutical Co., Ltd. · 2009