Centralised call answering arrangements not requiring operator intervention

Centralised call answering arrangements not requiring operator intervention · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH04M3/527
Official titleCentralised call answering arrangements not requiring operator intervention
Display labelCentralised call answering arrangements not requiring operator intervention
Total patents464

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
201510
201617
201749
201841
201937
202047
202159
202241
202351
202445
202553
202614

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 H04M3/527?
CPC H04M3/527 is the Cooperative Patent Classification code for “Centralised call answering arrangements not requiring operator intervention.”
How many patents are filed under CPC H04M3/527 (Centralised call answering arrangements not requiring operator intervention)?
Our database includes 464 publications tagged with this CPC code.
Is patent activity under CPC H04M3/527 growing?
Publication counts under this code: 45 in 2024 vs 53 in 2025 (latest complete years).