Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12)

Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12) · 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 codeH04L69/26
Official title{Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12)}
Display labelSpecial purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12)
Total patents599

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
201529
201641
201742
201848
201979
202062
202156
202290
202356
202456
202531
20269

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 H04L69/26?
CPC H04L69/26 is the Cooperative Patent Classification code for “Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12).”
How many patents are filed under CPC H04L69/26 (Special purpose or proprietary protocols or architectures (network applications for proprietary or special purpose networking environments H04L67/12))?
Our database includes 599 publications tagged with this CPC code.
Is patent activity under CPC H04L69/26 growing?
Publication counts under this code: 56 in 2024 vs 31 in 2025 (latest complete years).