Proteins

Proteins · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA21D2/26
Official titleProteins
Display labelProteins
Total patents37

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
20151
20166
20175
20182
20195
20202
20211
20225
20234
20244
20251
20261

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 A21D2/26?
CPC A21D2/26 is the Cooperative Patent Classification code for “Proteins.”
How many patents are filed under CPC A21D2/26 (Proteins)?
Our database includes 37 publications tagged with this CPC code.
Is patent activity under CPC A21D2/26 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).