A61P 31/04
Antibacterial agents
A61P31/04 (Antibacterial agents) appears on 29,198 US grants and 38,537 published applications in this corpus.
Search patents in A61P- Granted patents
- 29,198
- Published applications
- 38,537
- Assignees
- 10,718
- Inventors
- 62,251
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 52 | 0 |
| 1977 | 80 | 0 |
| 1978 | 128 | 0 |
| 1979 | 108 | 0 |
| 1980 | 178 | 0 |
| 1981 | 191 | 0 |
| 1982 | 160 | 0 |
| 1983 | 157 | 0 |
| 1984 | 187 | 0 |
| 1985 | 178 | 0 |
| 1986 | 146 | 0 |
| 1987 | 149 | 0 |
| 1988 | 157 | 0 |
| 1989 | 203 | 0 |
| 1990 | 189 | 0 |
| 1991 | 178 | 0 |
| 1992 | 180 | 0 |
| 1993 | 108 | 0 |
| 1994 | 149 | 0 |
| 1995 | 200 | 0 |
| 1996 | 260 | 0 |
| 1997 | 375 | 0 |
| 1998 | 427 | 0 |
| 1999 | 525 | 0 |
| 2000 | 522 | 0 |
| 2001 | 615 | 154 |
| 2002 | 598 | 756 |
| 2003 | 610 | 1305 |
| 2004 | 486 | 1616 |
| 2005 | 456 | 1555 |
| 2006 | 656 | 1470 |
| 2007 | 643 | 1553 |
| 2008 | 715 | 1807 |
| 2009 | 756 | 2034 |
| 2010 | 1073 | 2554 |
| 2011 | 1168 | 2221 |
| 2012 | 1420 | 2320 |
| 2013 | 1540 | 1746 |
| 2014 | 1620 | 1861 |
| 2015 | 1404 | 1683 |
| 2016 | 1334 | 1707 |
| 2017 | 1347 | 1547 |
| 2018 | 1113 | 1550 |
| 2019 | 1149 | 1587 |
| 2020 | 1122 | 1420 |
| 2021 | 996 | 1309 |
| 2022 | 728 | 1239 |
| 2023 | 633 | 1108 |
| 2024 | 862 | 1028 |
| 2025 | 613 | 845 |
| 2026 | 354 | 562 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Engineered cells and uses thereof6 Oct 2026US 12,751,929 B2Ohio State Innovation Foundation
- Bacteriophage effective for controlling Salmonella typhimurium and its derived biofilm, and an antibacterial composition comprising the same6 Oct 2026US 12,751,982 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Bacteriophage compositions for treating Staphylococcus infection6 Oct 2026US 12,751,983 B2Armata Pharmaceuticals, Inc.
- Composition containing a yeast for preventing simple and/or recurring cystitis6 Oct 2026US 12,751,984 B2Lesaffre Et Compagnie
- Lipidated FLIPr and uses thereof in vaccine6 Oct 2026US 12,752,003 B2National Health Research Institutes
- Cosmetic composition comprising an endolysin and an organic filler8 Oct 2026US 2026/0306385 A1L'oreal
- Nutritional compositions, supplements, and fortifiers8 Oct 2026US 2026/0306432 A1Societe des Produits Nestle S. A.
- Halogenated Xanthene-Containing Topical Anti-Gram-Positive Bacterial Ophthalmic Composition and Method8 Oct 2026US 2026/0306444 A1Provectus Pharmatech, Inc.
- Antibacterial compound pbt28 Oct 2026US 2026/0306476 A1Griffith University
- Reducing necrotic enteritis effect in a bird using an oligosaccharide preparation8 Oct 2026US 2026/0306519 A1Dsm IP Assets B.V.
Most cited
By later US patents
- Medical dressing containing antimicrobial agent1,348US 8,100,872 B2Tyco Healthcare Group LP · 2012
- Liposomes with enhanced circulation time1,198US 5,013,556 ALiposome Technology, Inc. · 1991
- Method for making heteromultimeric polypeptides932US 5,731,168 AGenentech, Inc. · 1998
- Solid carriers for improved delivery of active ingredients in pharmaceutical compositions930US 6,248,363 B1Lipocine Inc. · 2001
- Methods for treating multiple myeloma with 3-(4-amino-1-oxo-1,3-dihydro-isoindol-2-yl)-piperidine-2,6-dione after stem cell transplantation733US 9,101,621 B2Celgene Corporation · 2015