using multilayer switching, e.g. layer 3 switching

using multilayer switching, e.g. layer 3 switching · 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 codeH04L2012/4629
Official title{using multilayer switching, e.g. layer 3 switching}
Display labelusing multilayer switching, e.g. layer 3 switching
Total patents494

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20158
201634
201723
201836
201954
202044
202158
202265
202373
202445
202544
202610

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 H04L2012/4629?
CPC H04L2012/4629 is the Cooperative Patent Classification code for “using multilayer switching, e.g. layer 3 switching.”
How many patents are filed under CPC H04L2012/4629 (using multilayer switching, e.g. layer 3 switching)?
Our database includes 494 publications tagged with this CPC code.
Is patent activity under CPC H04L2012/4629 growing?
Publication counts under this code: 45 in 2024 vs 44 in 2025 (latest complete years).