Penicillin-G acylases
US-12480111-B2 · Nov 25, 2025 · US
Penicillin amidase {(3.5.1.11)}
Penicillin amidase {(3.5.1.11)} · 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 | C12N9/84 |
| Official title | Penicillin amidase {(3.5.1.11)} |
| Display label | Penicillin amidase {(3.5.1.11)} |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 9 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Penicillin-g acylases
US-2025346882-A1 · Nov 13, 2025 · US
Penicillin-G acylases
US-12378541-B2 · Aug 5, 2025 · US
Penicillin-g acylases
US-2025034543-A1 · Jan 30, 2025 · US
Penicillin-g acylases
US-2024409916-A1 · Dec 12, 2024 · US
Penicillin-G acylases
US-12084697-B2 · Sep 10, 2024 · US
Penicillin-G acylases
US-11965192-B2 · Apr 23, 2024 · US
Penicillin-g acylases
US-2023272363-A1 · Aug 31, 2023 · US
Penicillin-g acylases
US-2023227805-A1 · Jul 20, 2023 · US
Penicillin-g acylases
US-11643642-B2 · May 9, 2023 · US
Penicillin-G acylases
US-11591588-B2 · Feb 28, 2023 · US
Enzyme-immobilized porous membrane and preparation method of antibiotics using the same
US-11359224-B2 · Jun 14, 2022 · US
Penicillin-g acylases
US-2022154164-A1 · May 19, 2022 · US
Penicillin-g acylases
US-2022042004-A1 · Feb 10, 2022 · US
Penicillin-G acylases
US-11214786-B2 · Jan 4, 2022 · US
Variant penicillin-G acylases
US-11180747-B2 · Nov 23, 2021 · US
Penicillin-g acylases
US-2021054357-A1 · Feb 25, 2021 · US
Penicillin-G acylases
US-10865402-B2 · Dec 15, 2020 · US
Penicillin-g acylases
US-2020385699-A1 · Dec 10, 2020 · US
Penicillin-g acylases
US-2020339973-A1 · Oct 29, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C12N9/84?
- CPC C12N9/84 is the Cooperative Patent Classification code for “Penicillin amidase {(3.5.1.11)}.”
- How many patents are filed under CPC C12N9/84 (Penicillin amidase {(3.5.1.11)})?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC C12N9/84 growing?
- Publication counts under this code: 3 in 2024 vs 4 in 2025 (latest complete years).