Subject matter not provided for in other groups of this subclass

Subject matter not provided for in other groups of this subclass · 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 codeH04J99/00
Official titleSubject matter not provided for in other groups of this subclass
Display labelSubject matter not provided for in other groups of this subclass
Total patents270

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
20155
20164
201710
201825
201947
202051
202138
202223
202335
202414
202514
20264

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 H04J99/00?
CPC H04J99/00 is the Cooperative Patent Classification code for “Subject matter not provided for in other groups of this subclass.”
How many patents are filed under CPC H04J99/00 (Subject matter not provided for in other groups of this subclass)?
Our database includes 270 publications tagged with this CPC code.
Is patent activity under CPC H04J99/00 growing?
Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).