Elements

Elements · 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 codeC08K3/02
Official titleElements
Display labelElements
Total patents165

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
20158
20169
201712
201815
201919
202022
202117
202217
202317
202416
20259
20264

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 C08K3/02?
CPC C08K3/02 is the Cooperative Patent Classification code for “Elements.”
How many patents are filed under CPC C08K3/02 (Elements)?
Our database includes 165 publications tagged with this CPC code.
Is patent activity under CPC C08K3/02 growing?
Publication counts under this code: 16 in 2024 vs 9 in 2025 (latest complete years).