Encrypted Traffic Analysis Patents: Who Leads, Trends 2026
Encrypted Traffic Analysis Patents: Filing Trends and Leaders
No single filer dominates. the leader holds just 12 of 133 records, and the top 5 combined account for only 30.1% of all records in scope. Filings were effectively zero in 2017 and reached 20 by 2026 (a partial year). The three-year span from 2021 to 2024 — the last year that can be treated as complete given the roughly 18-month publication lag — shows an increase from 11 to 15 filings, +36%. 2025's count of 30 is the highest on record, but recent years should be read as still filling in rather than as a plateau or decline.
- 1QUALCOMM INC12
- 2TELECOM ITALIA SPA9
- 3CISCO TECHNOLOGY INC7
- 4CORELIGHT INC6
- 5SOLANA NETWORKS6
See the full encrypted traffic analysis analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions about this landscape
Who holds the most patents in encrypted traffic analysis?
The leading assignee in this 133-record corpus holds 12 records, with fifth place at 6 and tenth place at 3. That is a modest lead rather than control of the field: the top 5 assignees combined account for only 30.1% of all 133 records, and the top 10 reach 42.9%. Practically, this means no single company’s portfolio can be treated as covering the field, and a freedom-to-operate check has to look across a long tail of smaller filers as well as the visible leaders.
Is patent filing in encrypted traffic analysis growing or slowing down?
Filings grew from 11 in 2021 to 15 in 2024, a 36% increase, and 2024 is the most recent year that can be treated as complete. Later years show higher raw counts, including 30 in 2025, but publication typically lags actual filing by roughly 18 months, so 2025 and 2026 figures are still filling in. Read the recent uptick as incomplete data catching up, not as a slowdown or a definitive new peak.
What technology areas dominate encrypted traffic analysis patents?
H04L (digital information transmission) appears in 70.7% of the 133 records and G06N (AI-based computing models) in 53.4%, showing that most claims pair a networking or flow-monitoring mechanism with a learned classifier. G06F (electric digital data processing) follows at 38.3%, reflecting significant claim activity in the data pipelines feeding those models. Smaller but present activity sits in traffic control systems, data recognition, wireless networks, image recognition and signalling/alarm systems, each below 15% of records.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Encrypted Traffic Analysis covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.