A61L 31/16
Biologically active materials
Official title: Biologically active materials, e.g. therapeutic substances {(A61L31/047 takes precedence)}
A61L31/16 (Biologically active materials) appears on 4,128 US grants and 6,855 published applications in this corpus.
Search patents in A61L- Granted patents
- 4,128
- Published applications
- 6,855
- Assignees
- 1,971
- Inventors
- 8,362
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 8 | 0 |
| 1994 | 14 | 0 |
| 1995 | 21 | 0 |
| 1996 | 20 | 0 |
| 1997 | 40 | 0 |
| 1998 | 48 | 0 |
| 1999 | 47 | 0 |
| 2000 | 40 | 0 |
| 2001 | 62 | 31 |
| 2002 | 69 | 135 |
| 2003 | 89 | 200 |
| 2004 | 66 | 267 |
| 2005 | 63 | 394 |
| 2006 | 73 | 295 |
| 2007 | 81 | 364 |
| 2008 | 81 | 386 |
| 2009 | 68 | 344 |
| 2010 | 137 | 336 |
| 2011 | 206 | 317 |
| 2012 | 201 | 258 |
| 2013 | 230 | 288 |
| 2014 | 273 | 354 |
| 2015 | 271 | 356 |
| 2016 | 253 | 337 |
| 2017 | 255 | 300 |
| 2018 | 190 | 266 |
| 2019 | 211 | 273 |
| 2020 | 200 | 265 |
| 2021 | 192 | 225 |
| 2022 | 111 | 245 |
| 2023 | 136 | 177 |
| 2024 | 135 | 205 |
| 2025 | 134 | 141 |
| 2026 | 65 | 96 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric patch scaffolds for articular cartilage regeneration6 Oct 2026US 12,752,041 B2University of Southern California
- Cover device for a surgical site, cartridge for a surgical stapler, and related surgical methods22 Sep 2026US 12,740,785 B2Evergreen Surgical Solutions, LLC
- Generating endothelial cell-seeded vascular grafts22 Sep 2026US 12,741,060 B2Wisconsin Alumni Research Foundation
- Cell scaffold device having three-dimensional structure with interwoven channels22 Sep 2026US 12,741,062 B2The General Hospital Corporation
- Absorbable intravascular stents having a therapeutic drug within the scaffold15 Sep 2026US 12,734,053 B2Efemoral Medical, Inc.
- Prosthetic Surgical Sling8 Oct 2026US 2026/0306237 A1
- Slippery organogels and methods for making and using the same8 Oct 2026US 2026/0306720 A1University of Georgia Research Foundation, Inc.
- Soluble biomolecular glass and use thereof8 Oct 2026US 2026/0306721 A1Institute of Process Engineering, Chinese Academy of Sciences
- Antimicrobial and/or radiopaque bulking agents8 Oct 2026US 2026/0306722 A1Boston Scientific Scimed, Inc.
- Medical device metal alloy24 Sep 2026US 2026/0284278 A1MiRus LLC
Most cited
By later US patents
- Drug releasing anastomosis devices and methods for treating anastomotic sites1,779US 7,108,701 B2Ethicon, Inc. · 2006
- Methods and apparatus for a coated anchoring device and/or suture1,702US 6,689,153 B1Orthopaedic Biosystems Ltd., Inc. · 2004
- Medical devices and applications of polyhydroxyalkanoate polymers1,636US 6,838,493 B2Metabolix, Inc. · 2005
- Tissue thickness compensator comprising structure to produce a resilient load1,522US 9,220,500 B2Ethicon Endo-Surgery, Inc. · 2015
- Tissue thickness compensator comprising a plurality of capsules1,503US 9,301,752 B2Ethicon Endo-Surgery, Inc. · 2016