acting on peptide bonds (3.4)

acting on peptide bonds (3.4) · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC12N9/48
Official titleacting on peptide bonds (3.4)
Display labelacting on peptide bonds (3.4)
Total patents222

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201515
201621
201721
201819
201923
202020
202123
202216
202325
202421
202512
20266

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C12N9/48?
CPC C12N9/48 is the Cooperative Patent Classification code for “acting on peptide bonds (3.4).”
How many patents are filed under CPC C12N9/48 (acting on peptide bonds (3.4))?
Our database includes 222 publications tagged with this CPC code.
Is patent activity under CPC C12N9/48 growing?
Publication counts under this code: 21 in 2024 vs 12 in 2025 (latest complete years).