Delivery and formulation of engineered nucleic acids
US-2024252645-A1 · Aug 1, 2024 · US
Coagulation factor IXa (3.4.21.22)
Coagulation factor IXa (3.4.21.22) · 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 | C12N9/644 |
| Official title | {Coagulation factor IXa (3.4.21.22)} |
| Display label | Coagulation factor IXa (3.4.21.22) |
| Total patents | 442 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 40 |
| 2016 | 40 |
| 2017 | 48 |
| 2018 | 35 |
| 2019 | 54 |
| 2020 | 47 |
| 2021 | 59 |
| 2022 | 32 |
| 2023 | 34 |
| 2024 | 18 |
| 2025 | 32 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glycopegylated Factor IX
US-2016361427-A1 · Dec 15, 2016 · US
Blood coagulation protein conjugates
US-2016361430-A1 · Dec 15, 2016 · US
Fusion proteins comprising factor ix for prophylactic treatment of hemophilia and methods thereof
US-2016346366-A1 · Dec 1, 2016 · US
Population pharmacokinetics tools and uses thereof
US-2016306945-A1 · Oct 20, 2016 · US
Coagulation Factor-Targeting to TLT-1 on Activated Platelets
US-2016263230-A1 · Sep 15, 2016 · US
Modified polynucleotides for the production of proteins associated with human disease
US-2016199513-A1 · Jul 14, 2016 · US
Factor viii: remodeling and glycoconjugation of factor viii
US-2016200795-A1 · Jul 14, 2016 · US
Factor viii: remodeling and glycoconjugation of factor viii
US-2016193353-A1 · Jul 7, 2016 · US
Glycopegylated Factor IX
US-2016184412-A1 · Jun 30, 2016 · US
Method of purifying polypeptides
US-2016185816-A1 · Jun 30, 2016 · US
Cell migration regulator
US-9371523-B2 · Jun 21, 2016 · US
Modified polynucleotides for the production of cytoplasmic and cytoskeletal proteins
US-2016158385-A1 · Jun 9, 2016 · US
Modified polynucleotides for the production of nuclear proteins
US-2016114011-A1 · Apr 28, 2016 · US
Recombinant baculovirus and use thereof
US-9303251-B2 · Apr 5, 2016 · US
Modified polynucleotides for the production of cytoplasmic and cytoskeletal proteins
US-9303079-B2 · Apr 5, 2016 · US
Modified polynucleotides encoding SIAH E3 ubiquitin protein ligase 1
US-9255129-B2 · Feb 9, 2016 · US
Modified polynucleotides for the production of proteins
US-9254311-B2 · Feb 9, 2016 · US
Methods and compositions for treating hemophilia b
US-2016022838-A1 · Jan 28, 2016 · US
Chimeric factor VII molecules
US-9238060-B2 · Jan 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12N9/644?
- CPC C12N9/644 is the Cooperative Patent Classification code for “Coagulation factor IXa (3.4.21.22).”
- How many patents are filed under CPC C12N9/644 (Coagulation factor IXa (3.4.21.22))?
- Our database includes 442 publications tagged with this CPC code.
- Is patent activity under CPC C12N9/644 growing?
- Publication counts under this code: 18 in 2024 vs 32 in 2025 (latest complete years).