A61K 35/62
Leeches
Official title: Leeches; Worms, e.g. cestodes, tapeworms, nematodes, roundworms, earth worms, ascarids, filarias, hookworms, trichinella or taenia
A61K35/62 (Leeches) appears on 105 US grants and 147 published applications in this corpus.
Search patents in A61K- Granted patents
- 105
- Published applications
- 147
- Assignees
- 87
- Inventors
- 251
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 0 | 5 |
| 2012 | 4 | 5 |
| 2013 | 2 | 2 |
| 2014 | 4 | 11 |
| 2015 | 14 | 15 |
| 2016 | 8 | 9 |
| 2017 | 6 | 7 |
| 2018 | 7 | 4 |
| 2019 | 7 | 14 |
| 2020 | 6 | 6 |
| 2021 | 6 | 10 |
| 2022 | 7 | 13 |
| 2023 | 2 | 5 |
| 2024 | 4 | 6 |
| 2025 | 7 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions comprising extracellular matrix of primitive animal species and related methods16 Jun 2026US 12,653,843 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Methods for treating nail brittleness, fragility, or pitting28 Apr 2026US 12,611,408 B2Chemistry RX
- Anti-ischemic compositions18 Nov 2025US 12,472,183 B2
- Use of parasites and extracellular vesicles obtained from parasites in cancer treatment11 Nov 2025US 12,465,623 B2Yeditepe Universitesi
- Systems, devices, and methods for separating and washing microorganisms9 Sep 2025US 12,409,193 B2Duke University
- Ascaroside treatment of eosinophilic esophagitis2 Jul 2026US 2026/0183343 A1Boyce Thompson Institute for Plant Research, Inc.
- Traditional chinese medicine compound composition for treating heart failure and yang-warming and heart-settling plaster12 Mar 2026US 2026/0069647 A1The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine (Ahnui
- Anti-ischemic compositions19 Feb 2026US 2026/0048057 A1
- Use of an annelid molecule for treating and/or preventing at least one complement-activation associated disease5 Feb 2026US 2026/0035417 A1Centre Hospitalier Universitaire De Toulouse
- Mutant pore29 Jan 2026US 2026/0028379 A1Oxford Nanopore Technologies PLC
Most cited
By later US patents
- Heparin and hirudin antidotal compositions and methods42US 5,204,323 ACiba-Geigy Corporation · 1993
- Platelet-aggregating inhibitory agents from leech saliva and pharmaceutical preparations containing the same30US 5,246,715 AYissum Research Development Company of the Hebrew University of Jerusalem · 1993
- Inhibitors for the anticoagulant pretreatment of blood samples29US 5,187,102 APentapharm AG · 1993
- Mutant pore22US 11,104,709 B2Oxford Nanopore Technologies PLC · 2021
- Reducing the likelihood of skin cancer in an individual human being18US 10,835,560 B22020