A61K 2239/23
On/off switch
A61K2239/23 (On/off switch) appears on 61 US grants and 210 published applications in this corpus.
Search patents in A61K- Granted patents
- 61
- Published applications
- 210
- Assignees
- 113
- Inventors
- 503
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 7 |
| 2018 | 1 | 9 |
| 2019 | 4 | 7 |
| 2020 | 3 | 7 |
| 2021 | 5 | 21 |
| 2022 | 4 | 13 |
| 2023 | 8 | 35 |
| 2024 | 9 | 37 |
| 2025 | 15 | 45 |
| 2026 | 9 | 24 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chimeric antigen receptors with CD20 safety switch22 Sep 2026US 12,742,001 B2St. Jude Children?S Research Hospital
- Compositions and methods for treating cancer with anti-CD33 immunotherapy25 Aug 2026US 12,714,750 B2Lentigen Technology, Inc.
- Enhanced chimeric antigen receptor cells in hypoxic tumor microenvironment18 Aug 2026US 12,709,737 B2Innovative Cellular Therapeutics Holdings, Ltd.
- Small molecules for dual function positron emission tomography (PET) and cell suicide switches4 Aug 2026US 12,697,403 B2The Trustees of the University of Pennsylvania
- Gene fusions for control of genetically modified cells14 Apr 2026US 12,599,665 B2A2 Biotherapeutics, Inc.
- Viral vectors for cell therapy1 Oct 2026US 2026/0294971 A1
- Switch receptors1 Oct 2026US 2026/0295042 A1Hoffmann-La Roche Inc.
- Viral vectors for glioblastoma cell therapy24 Sep 2026US 2026/0284109 A1
- Anti-pd-1 chimeric antigen receptor t cells and therapeutic uses thereof20 Aug 2026US 2026/0240908 A1Fred Hutchinson Cancer Center
- Cell6 Aug 2026US 2026/0224627 A1Autolus Limited
Most cited
By later US patents
- Chimeric antigen receptor and methods of use thereof60US 9,587,020 B2The Regents of the University of California · 2017
- Regulatable chimeric antigen receptor24US 10,287,354 B2Novartis AG · 2019
- Chimeric antigen receptor and methods of use thereof24US 9,821,012 B2The Regents of the University of California · 2017
- Peptidic chimeric antigen receptor T cell switches and uses thereof21US 9,624,276 B2The California Institute for Biomedical Research · 2017
- Chimeric antigen receptor and methods of use thereof15US 10,105,391 B2The Regents of the University of California · 2018