the side chain containing O or S as heteroatoms, e.g. Cys, Ser

the side chain containing O or S as heteroatoms, e.g. Cys, Ser · 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 codeC07K5/081
Official title{the side chain containing O or S as heteroatoms, e.g. Cys, Ser}
Display labelthe side chain containing O or S as heteroatoms, e.g. Cys, Ser
Total patents201

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201521
201623
201725
201820
201923
20209
202117
202212
202310
202421
202518
20262

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 C07K5/081?
CPC C07K5/081 is the Cooperative Patent Classification code for “the side chain containing O or S as heteroatoms, e.g. Cys, Ser.”
How many patents are filed under CPC C07K5/081 (the side chain containing O or S as heteroatoms, e.g. Cys, Ser)?
Our database includes 201 publications tagged with this CPC code.
Is patent activity under CPC C07K5/081 growing?
Publication counts under this code: 21 in 2024 vs 18 in 2025 (latest complete years).