Molecules and methods for iterative polypeptide analysis and processing
US-12493042-B2 · Dec 9, 2025 · US
Cysteine endopeptidases (3.4.22)
Cysteine endopeptidases (3.4.22) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C12N9/641 |
| Official title | {Cysteine endopeptidases (3.4.22)} |
| Display label | Cysteine endopeptidases (3.4.22) |
| Total patents | 41 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 4 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Immobilized enzyme nanogel and preparation method and application thereof
US-2025304946-A1 · Oct 2, 2025 · US
Means and methods for single molecule peptide sequencing
US-12422438-B2 · Sep 23, 2025 · US
Modified bacteria and methods of use for bioglass microlenses
US-2025283118-A1 · Sep 11, 2025 · US
Developing inducible cluster chimeric antigen receptor (ccar) constructs
US-2025121003-A1 · Apr 17, 2025 · US
Means and methods for single molecule peptide sequencing
US-2025076303-A1 · Mar 6, 2025 · US
Use of CD2/5/7 knock-out anti-CD2/5/7 chimeric antigen receptor T cells against T cell lymphomas and leukemias
US-12227588-B2 · Feb 18, 2025 · US
Mitigation of therapeutic protein fragmentation during cell culture harvest processes
US-2024262908-A1 · Aug 8, 2024 · US
Use of CD2/5/7 Knock-Out Anti-CD2/5/7 Chimeric Antigen Receptor T cells Against T Cell Lymphomas and Leukemias
US-2024228655-A1 · Jul 11, 2024 · US
Means and methods for single molecule peptide sequencing
US-12019076-B2 · Jun 25, 2024 · US
Molecules and methods for iterative polypeptide analysis and processing
US-2024201199-A1 · Jun 20, 2024 · US
Method for producing a meat analogue product
US-2024180197-A1 · Jun 6, 2024 · US
Compositions and methods related to immunoglobulin proteases and fusions thereof
US-2024148841-A1 · May 9, 2024 · US
Dna construct for stably producing empty capsids of the foot-and-mouth disease virus in mammalian cells; processes, uses, and compositions thereof
US-2024010686-A1 · Jan 11, 2024 · US
Use of CD2/5/7 Knock-Out Anti-CD2/5/7 Chimeric Antigen Receptor T cells Against T Cell Lymphomas and Leukemias
US-2023331864-A1 · Oct 19, 2023 · US
Means and methods for single molecule peptide sequencing
US-2023221329-A1 · Jul 13, 2023 · US
Use of CD2/5/7 knock-out anti-CD2/5/7 chimeric antigen receptor T cells against T cell lymphomas and leukemias
US-11673964-B2 · Jun 13, 2023 · US
Means and methods for single molecule peptide sequencing
US-11573238-B2 · Feb 7, 2023 · US
Peptide Library Production Method
US-2022275534-A1 · Sep 1, 2022 · US
Complex for intracellular delivery of molecules
US-2022265837-A1 · Aug 25, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12N9/641?
- CPC C12N9/641 is the Cooperative Patent Classification code for “Cysteine endopeptidases (3.4.22).”
- How many patents are filed under CPC C12N9/641 (Cysteine endopeptidases (3.4.22))?
- Our database includes 41 publications tagged with this CPC code.
- Is patent activity under CPC C12N9/641 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).