A61K 51/08
Peptides
Official title: Peptides, e.g. proteins {, carriers being peptides, polyamino acids, proteins}
A61K51/08 (Peptides) appears on 3,158 US grants and 4,263 published applications in this corpus.
Search patents in A61K- Granted patents
- 3,158
- Published applications
- 4,263
- Assignees
- 1,480
- Inventors
- 6,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 10 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 35 | 0 |
| 1990 | 31 | 0 |
| 1991 | 37 | 0 |
| 1992 | 52 | 0 |
| 1993 | 47 | 0 |
| 1994 | 43 | 0 |
| 1995 | 49 | 0 |
| 1996 | 50 | 0 |
| 1997 | 82 | 0 |
| 1998 | 102 | 0 |
| 1999 | 96 | 0 |
| 2000 | 74 | 0 |
| 2001 | 60 | 16 |
| 2002 | 44 | 65 |
| 2003 | 39 | 96 |
| 2004 | 41 | 113 |
| 2005 | 29 | 125 |
| 2006 | 56 | 125 |
| 2007 | 44 | 124 |
| 2008 | 57 | 114 |
| 2009 | 74 | 148 |
| 2010 | 76 | 166 |
| 2011 | 89 | 157 |
| 2012 | 92 | 164 |
| 2013 | 113 | 169 |
| 2014 | 128 | 225 |
| 2015 | 134 | 198 |
| 2016 | 146 | 234 |
| 2017 | 148 | 199 |
| 2018 | 137 | 189 |
| 2019 | 131 | 178 |
| 2020 | 126 | 203 |
| 2021 | 108 | 172 |
| 2022 | 104 | 220 |
| 2023 | 108 | 188 |
| 2024 | 97 | 274 |
| 2025 | 110 | 219 |
| 2026 | 87 | 182 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 51/10Antibodies or immunoglobulins1,981
- A61K 51/088Conjugates with carriers being peptides, polyamino acids or proteins1,001
- A61K 51/082The peptide being a rgd-containing peptide205
- A61K 51/083The peptide being octreotide or a somatostatin-receptor-binding peptide175
- A61K 51/081The protein being an albumin80
- A61K 51/087The peptide being an annexin44
- A61K 51/086The peptide being alphamsh, alpha melanocyte stimulating hormone20
- A61K 51/085The peptide being neurotensin13
All 9 subgroupsShow fewer
Recent patents
- Radiopharmaceutical compositions for actinium in targeted radionuclide therapy6 Oct 2026US 12,752,026 B2Curium US LLC
- Peptide libraries with non-canonical amino acids6 Oct 2026US 12,753,205 B2Regeneron Pharmaceuticals, Inc.
- Antibody conjugates and uses thereof6 Oct 2026US 12,753,242 B2GlycoNex Inc.
- Urokinase plasminogen activator receptor-targeted radiopharmaceutical22 Sep 2026US 12,741,039 B2Monopar Therapeutics Inc.
- Macrocyclic complexes of alpha-emitting radionuclides and their use in targeted radiotherapy of cancer22 Sep 2026US 12,741,964 B2Cornell University
- Radiolabeled compounds targeting the prostate-specific membrane antigen8 Oct 2026US 2026/0306680 A1Provincial Health Services Authority
- Development of a platform to noninvasively image car t cells8 Oct 2026US 2026/0306681 A1Dana-Farber Cancer Institute, Inc.
- Radiolabeled met binding proteins for immuno-pet imaging8 Oct 2026US 2026/0306682 A1Regeneron Pharmaceuticals, Inc.
- In vivo imaging of an als biomarker and means therefor8 Oct 2026US 2026/0306683 A1AL-S Pharma AG
- Antibody targeting dll3 and use of antibody8 Oct 2026US 2026/0308240 A1Neukio Biotherapeutics (Shanghai) Co., Ltd.
Most cited
By later US patents
- Human monoclonal antibodies to programmed death 1 (PD-1) and methods for treating cancer using anti-PD-1 antibodies alone or in combination with other immunotherapeutics940US 8,008,449 B2Medarex, Inc. · 2011
- Tumor localization and therapy with labeled antibody fragments specific to tumor-associated markers510US 4,331,647 A1982
- Dual variable domain immunoglobulin and uses thereof391US 7,612,181 B2Abbott Laboratories · 2009
- Tumoricidal methotrexate-antibody conjugate378US 4,699,784 ACenter for Molecular Medicine and Immunology · 1987
- Antibody-metal ion complexes348US 4,741,900 ACytogen Corporation · 1988