Expression systems using regulatory sequences derived from the lac-operon

Expression systems using regulatory sequences derived from the lac-operon · 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 codeC12N15/72
Official titleExpression systems using regulatory sequences derived from the lac-operon
Display labelExpression systems using regulatory sequences derived from the lac-operon
Total patents73

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20154
20164
201714
20187
20195
20203
20211
202211
20237
20246
20259
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 C12N15/72?
CPC C12N15/72 is the Cooperative Patent Classification code for “Expression systems using regulatory sequences derived from the lac-operon.”
How many patents are filed under CPC C12N15/72 (Expression systems using regulatory sequences derived from the lac-operon)?
Our database includes 73 publications tagged with this CPC code.
Is patent activity under CPC C12N15/72 growing?
Publication counts under this code: 6 in 2024 vs 9 in 2025 (latest complete years).