for operator independent billing system

for operator independent billing system · 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 codeH04M15/52
Official title{for operator independent billing system}
Display labelfor operator independent billing system
Total patents54

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20158
201612
201710
20185
20191
20207
20215
20222
20231
20242
20251

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 H04M15/52?
CPC H04M15/52 is the Cooperative Patent Classification code for “for operator independent billing system.”
How many patents are filed under CPC H04M15/52 (for operator independent billing system)?
Our database includes 54 publications tagged with this CPC code.
Is patent activity under CPC H04M15/52 growing?
Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).