C12N 2501/2321
Interleukin-21
Official title: Interleukin-21 (IL-21)
C12N2501/2321 (Interleukin-21) appears on 194 US grants and 467 published applications in this corpus.
Search patents in C12N- Granted patents
- 194
- Published applications
- 467
- Assignees
- 184
- Inventors
- 831
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 4 |
| 2014 | 0 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 5 |
| 2017 | 5 | 14 |
| 2018 | 6 | 20 |
| 2019 | 11 | 33 |
| 2020 | 10 | 32 |
| 2021 | 38 | 65 |
| 2022 | 21 | 70 |
| 2023 | 17 | 68 |
| 2024 | 27 | 56 |
| 2025 | 36 | 53 |
| 2026 | 20 | 34 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Media and methods for differentiating natural killer cells1 Sep 2026US 12,723,233 B2Stemcell Technologies Canada Inc.
- Treatment with tumor infiltrating lymphocyte therapies in combination with CTLA-4 and PD-1 inhibitors14 Jul 2026US 12,678,499 B2Iovance Biotherapeutics, Inc.
- Methods for preparing tumor-infiltrating lymphocytes7 Jul 2026US 12,674,136 B2Shanghai AbelZeta Ltd.
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy16 Jun 2026US 12,655,389 B2Iovance Biotherapeutics, Inc.
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy9 Jun 2026US 12,648,962 B2Iovance Biotherapeutics, Inc.
- Metabolically enhanced vd1 t cells and uses thereof8 Oct 2026US 2026/0308518 A1
- Closed process for expansion and gene editing of tumor infiltrating lymphocytes and uses of same in immunotherapy1 Oct 2026US 2026/0293881 A1Iovance Biotherapeutics, Inc.
- Single b-cell cultivation method24 Sep 2026US 2026/0285949 A1Hoffmann-La Roche Inc.
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy17 Sep 2026US 2026/0272985 A1Iovance Biotherapeutics, Inc.
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy17 Sep 2026US 2026/0272986 A1Iovance Biotherapeutics, Inc.
Most cited
By later US patents
- Handheld electromechanical surgical system627US 10,932,784 B2Covidien LP · 2021
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy55US 10,130,659 B2Iovance Biotherapeutics, Inc. · 2018
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy52US 10,363,273 B2Iovance Biotherapeutics, Inc. · 2019
- Processes for production of tumor infiltrating lymphocytes and uses of same in immunotherapy40US 10,537,595 B2Iovance Biotherapeutics, Inc. · 2020
- Processes for production of tumor infiltrating lymphocytes and uses of the same in immunotherapy37US 10,653,723 B1Iovance Biotherapeutics, Inc. · 2020