A61K 38/04
Peptides having up to 20 amino acids in a fully defined sequence
Official title: Peptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof ({enzyme inhibitors A61K38/005;} gastrins {A61K38/2207}, somatostatins A61K38/31, melanotropins A61K38/34 {; protease inhibitors A61K38/55})
A61K38/04 (Peptides having up to 20 amino acids in a fully defined sequence) appears on 9,780 US grants and 17,136 published applications in this corpus.
Search patents in A61K- Granted patents
- 9,780
- Published applications
- 17,136
- Assignees
- 5,370
- Inventors
- 25,452
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 15 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 23 | 0 |
| 1991 | 32 | 0 |
| 1992 | 41 | 0 |
| 1993 | 51 | 0 |
| 1994 | 39 | 0 |
| 1995 | 48 | 0 |
| 1996 | 83 | 0 |
| 1997 | 110 | 0 |
| 1998 | 150 | 0 |
| 1999 | 158 | 0 |
| 2000 | 130 | 0 |
| 2001 | 156 | 55 |
| 2002 | 126 | 205 |
| 2003 | 114 | 339 |
| 2004 | 97 | 375 |
| 2005 | 121 | 387 |
| 2006 | 156 | 437 |
| 2007 | 146 | 458 |
| 2008 | 142 | 411 |
| 2009 | 149 | 512 |
| 2010 | 214 | 579 |
| 2011 | 207 | 560 |
| 2012 | 230 | 526 |
| 2013 | 347 | 725 |
| 2014 | 457 | 903 |
| 2015 | 527 | 945 |
| 2016 | 587 | 1063 |
| 2017 | 576 | 1042 |
| 2018 | 620 | 948 |
| 2019 | 649 | 995 |
| 2020 | 637 | 1024 |
| 2021 | 569 | 975 |
| 2022 | 514 | 930 |
| 2023 | 427 | 836 |
| 2024 | 412 | 744 |
| 2025 | 378 | 691 |
| 2026 | 233 | 471 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 38/08Peptides having 5 to 11 amino acids3,220
- A61K 38/12Cyclic peptides2,480
- A61K 38/10Peptides having 12 to 20 amino acids1,762
- A61K 38/06Tripeptides1,462
- A61K 38/05Dipeptides1,195
- A61K 38/07Tetrapeptides942
- A61K 38/14Peptides containing saccharide radicals660
- A61K 38/15Depsipeptides195
All 10 subgroupsShow fewer
Recent patents
- Medication that protects the intestinal microbiota and their preparation methods and applications6 Oct 2026US 12,751,921 B2University of Science and Technology of China
- Method of treating a child with central precocious puberty using an extended release composition6 Oct 2026US 12,751,990 B2Tolmar International Limited
- Combinatory treatment29 Sep 2026US 12,746,216 B2Arivin Therapeutics Oy
- Pharmaceutical composition for treatment or prevention of ischemic cardiovascular disease29 Sep 2026US 12,746,220 B2Industry-Academic Cooperation Foundation, Yonsei University
- Methods of treating Prader Willi Syndrome and conditions associated with low basal metabolic rate or hyperphagia using a KATP channel opener29 Sep 2026US 12,746,244 B2Sedogen LLC
- Subcutaneous peptide delivery system8 Oct 2026US 2026/0306408 A1
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306431 A1Geneiii Biotech Company Ltd.
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Inverse agonists of rar related orphan receptors (rors)8 Oct 2026US 2026/0306484 A111949098 CANADA INC. (NUREDCO) c/o Jean I. TCHERVENKOV
- Compositions and methods for treatment of septic shock8 Oct 2026US 2026/0306579 A1Peroxitech Therapeutics, Inc.
Most cited
By later US patents
- Retrograde tissue splitter and method1,605US 5,449,355 AValleylab, Inc. · 1995
- Serial injection of muramyldipeptides and liposomes enhances the anti-infective activity of muramyldipeptides1,595US 4,522,811 ASyntex (U.S.A.) Inc. · 1985
- Retrograde tissue splitter and method1,585US 5,797,906 AValleylab, Inc. · 1998
- Method for manufacturing a porous ceramic scaffold having an organic/inorganic hybrid coating layer containing a bioactive factor777US 8,734,831 B2Snu R&Db Foundation · 2014
- Triglyceride-free compositions and methods for improved delivery of hydrophobic therapeutic agents617US 6,294,192 B1Lipocine Inc. · 2001