The Patent Finder

Sysxnet Limited

15 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
9
Ending by 2030
Jan 2027
Next term end

When these terms end

Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
  • 1 fee due Apr 27, 2027
    The maintenance fee for Methods and Apparatus for Network Communication (US 9,172,675) comes due Apr 27, 2027. Unpaid by Oct 27, 2027, it lapses early.
  • 1 fee due Jun 3, 2027
    The maintenance fee for Methods and Apparatus to Issue Digital Certificates (US 10,498,722) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
PatentTitleStatus Expires Confidence
US 9,559,837Methods for Cryptographic Delegation and Enforcement of Dynamic Access to Stored Data
In force
 · High confidence
In forceHigh confidence
US 7,570,625Detection of Wireless Devices
In force
 · High confidence
In forceHigh confidence
US 8,122,152Systems and Methods for Network User Resolution
In force
 · High confidence
In forceHigh confidence
US 7,574,409Method, Apparatus, and System for Clustering and Classification
In force
 · High confidence
In forceHigh confidence
US 8,819,285System and Method for Managing Network Communications
In force
 · Medium confidence
In forceMedium confidence
US 7,596,808Zero Hop Algorithm for Network Threat Identification and Mitigation
In force
 · High confidence
In forceHigh confidence
US 7,788,150Method for Assessing Risk in a Business
In force
 · High confidence
In forceHigh confidence
US 7,873,998Rapidly Propagating Threat Detection
In force
 · High confidence
In forceHigh confidence
US 8,683,031Methods and Systems for Scanning and Monitoring Content on a Network
In force
 · High confidence
In forceHigh confidence
US 8,677,123Method for Accelerating Security and Management Operations on Data Segments
In force
 · High confidence
In forceHigh confidence
10 of 15 patents shown.
Pro members see all 15.
Pro members: see all 15 patents
Also on record, not counted in the 15: 14 ended at full term. List them

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited