Voice input

Voice input · Cooperative Patent Classification (CPC)

Computing, optics, measurement, and control technologies.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeG08C2201/31
Official titleVoice input
Display labelVoice input
Total patents228

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
201516
201613
201715
201824
201926
202028
202123
202228
202325
202418
20259
20263

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 G08C2201/31?
CPC G08C2201/31 is the Cooperative Patent Classification code for “Voice input.”
How many patents are filed under CPC G08C2201/31 (Voice input)?
Our database includes 228 publications tagged with this CPC code.
Is patent activity under CPC G08C2201/31 growing?
Publication counts under this code: 18 in 2024 vs 9 in 2025 (latest complete years).