Chemistry & Metallurgy

Chemistry & Metallurgy · 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 codeC08L1/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents1,589

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
201590
2016111
2017108
2018121
2019151
2020171
2021173
2022173
2023159
2024156
2025147
202629

Representative patents

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

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Frequently asked questions

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

What is CPC C08L1/02?
CPC C08L1/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C08L1/02 (Chemistry & Metallurgy)?
Our database includes 1,589 publications tagged with this CPC code.
Is patent activity under CPC C08L1/02 growing?
Publication counts under this code: 156 in 2024 vs 147 in 2025 (latest complete years).