A61L 2300/252
Polypeptides, proteins
Official title: Polypeptides, proteins, e.g. glycoproteins, lipoproteins, cytokines
A61L2300/252 (Polypeptides, proteins) appears on 1,350 US grants and 2,098 published applications in this corpus.
Search patents in A61L- Granted patents
- 1,350
- Published applications
- 2,098
- Assignees
- 982
- Inventors
- 3,824
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 11 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 17 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 18 | 0 |
| 1998 | 30 | 0 |
| 1999 | 14 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 10 |
| 2002 | 15 | 40 |
| 2003 | 22 | 34 |
| 2004 | 12 | 56 |
| 2005 | 11 | 58 |
| 2006 | 14 | 60 |
| 2007 | 25 | 84 |
| 2008 | 22 | 88 |
| 2009 | 18 | 68 |
| 2010 | 33 | 93 |
| 2011 | 36 | 83 |
| 2012 | 40 | 62 |
| 2013 | 62 | 82 |
| 2014 | 58 | 77 |
| 2015 | 79 | 136 |
| 2016 | 72 | 143 |
| 2017 | 94 | 116 |
| 2018 | 75 | 99 |
| 2019 | 63 | 113 |
| 2020 | 65 | 92 |
| 2021 | 66 | 98 |
| 2022 | 53 | 121 |
| 2023 | 56 | 92 |
| 2024 | 63 | 86 |
| 2025 | 53 | 69 |
| 2026 | 31 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sponge assembly6 Oct 2026US 12,752,037 B2CFields, LLC
- Generating endothelial cell-seeded vascular grafts22 Sep 2026US 12,741,060 B2Wisconsin Alumni Research Foundation
- Method for obtaining healthy intestinal organoids22 Sep 2026US 12,741,061 B2Precision Cancer Technologies Inc.
- Controlled-viscosity polymeric hydrogel and method for making it15 Sep 2026US 12,734,277 B2Sterify S.R.L.
- Reinforced biocompatible scaffold4 Aug 2026US 12,697,416 B2Global Surgical Innovations Pty Ltd
- Segmented calcium phosphate bone scaffolds with sacrificial zones for mechano-transductive bone regeneration and methods of making and using the same1 Oct 2026US 2026/0294629 A1Board of Regents, The University of Texas System
- Method to engineer protein hydrogels and uses thereof17 Sep 2026US 2026/0273139 A1The University of British Columbia
- Artificial Bone Material And Method For Preparing The Same27 Aug 2026US 2026/0248981 A1WitKang Zhiyuan Medical Devices (Xi'an) Co., Ltd.
- A suprachoroidal spacer implant to treat glaucoma20 Aug 2026US 2026/0240682 A1The Board of Trustees of the Leland Stanford Junior University
- Method to Identify Responders to Osteoarthritis Therapeutics30 Jul 2026US 2026/0216279 A1
Most cited
By later US patents
- Drug releasing biodegradable fiber implant1,662US 6,596,296 B1Board of Regents, The University of Texas System · 2003
- Biodegradable in-situ forming implants and methods of producing the same801US 4,938,763 A1990
- Collagen-polymer conjugates778US 5,162,430 ACollagen Corporation · 1992
- Particle-containing complex porous materials721US 8,268,344 B2The Regents of the University of Michigan · 2012
- Crosslinked polymer compositions and methods for their use649US 5,874,500 ACohesion Technologies, Inc. · 1999