A61P 23/02
Local anaesthetics
A61P23/02 (Local anaesthetics) appears on 829 US grants and 1,234 published applications in this corpus.
Search patents in A61P- Granted patents
- 829
- Published applications
- 1,234
- Assignees
- 546
- Inventors
- 1,894
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 5 |
| 2002 | 29 | 26 |
| 2003 | 22 | 43 |
| 2004 | 18 | 53 |
| 2005 | 14 | 42 |
| 2006 | 11 | 45 |
| 2007 | 13 | 29 |
| 2008 | 14 | 38 |
| 2009 | 17 | 44 |
| 2010 | 19 | 61 |
| 2011 | 33 | 91 |
| 2012 | 45 | 78 |
| 2013 | 45 | 74 |
| 2014 | 51 | 60 |
| 2015 | 37 | 58 |
| 2016 | 45 | 50 |
| 2017 | 51 | 57 |
| 2018 | 27 | 43 |
| 2019 | 45 | 48 |
| 2020 | 34 | 48 |
| 2021 | 26 | 60 |
| 2022 | 24 | 53 |
| 2023 | 28 | 39 |
| 2024 | 33 | 39 |
| 2025 | 36 | 29 |
| 2026 | 10 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Topical anaesthetic composition having improved vasoconstrictor stability6 Oct 2026US 12,751,946 B2Animal Ethics Pty Ltd
- Long-acting ropivacaine pharmaceutical composition, preparation method therefor and use thereof29 Sep 2026US 12,746,286 B2Shanghai Institute of Materia Medica, Chinese Academy of Sciences
- Pyridine and pyrazine compounds as inhibitors of cannabinoid receptor 218 Aug 2026US 12,709,605 B2Eth Zuerich
- Aqueous patch23 Jun 2026US 12,661,327 B2Teikoku Seiyaku Co., Ltd.
- Patch19 May 2026US 12,629,346 B2Kobayashi Pharmaceutical Co., Ltd.
- Sustained release hydrogel composition10 Sep 2026US 2026/0263439 A1The Governing Council of the University of Toronto
- Local anesthetics with selective-sensory nerve blockade27 Aug 2026US 2026/0250249 A1Children's Medical Center Corporation
- Topical compositions and methods of use23 Jul 2026US 2026/0207474 A1PS Therapy Ltd.
- Pharmaceutical composition of kappa opioid receptor agonist, preparation method therefor, and use thereof23 Jul 2026US 2026/0207699 A1Yichang Humanwell Pharmaceutical Co., Ltd.
- Pharmaceutical composition for topical administration comprising a volatile anaesthetic2 Jul 2026US 2026/0183225 A1Laboratorios Gebro Pharma, S.A.
Most cited
By later US patents
- Element for implantation with medical device1,349US 8,092,443 B2Medtronic, Inc. · 2012
- Prolonged anesthesia in joints and body spaces209US 6,248,345 B1Euro-Celtique S. A. · 2001
- Prolonged anesthesia in joints and body spaces188US 6,534,081 B2Euro-Celtique S. A. · 2003
- Formulations and methods for providing prolonged local anesthesia180US 6,046,187 AChildren's Medical Center Corporation · 2000
- Lipid based composition containing diacylglycerol, phospholipid, polar liquid and biologically active material167US 5,807,573 AGS Development AB · 1998