The Patent Finder

Network Integrity Systems, Inc.

23 patents currently held · Updated Nov 14, 2026
13 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 3 name spellings.

4
Ending by 2030
Mar 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 Dec 2, 2026
    The maintenance fee for Hardware and methods for secure alarmed armored protective distribution systems and management (US 9,046,669) comes due Dec 2, 2026. Unpaid by Jun 2, 2027, it lapses early.
  • 1 fee due Feb 20, 2027
    The maintenance fee for Alarm System for a Single Mode Optical Fiber Network (US 10,388,128) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
  • 1 fee due Jun 8, 2027
    The maintenance fee for Monitoring for disturbance of optical fiber (US 9,207,168) comes due Jun 8, 2027. Unpaid by Dec 8, 2027, it lapses early.
  • 1 fee due Sep 24, 2027
    The maintenance fee for Alarm System for a Single Mode Optical Fiber Network (US 10,600,294) comes due Sep 24, 2027. Unpaid by Mar 24, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 2026

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 8,094,977Intrusion detection system for use on single mode optical fiber using a simplified polarimeter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,693,359Intrusion detection system for use on single mode optical fiber using a cost reduced polarimeter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,706,641Monitoring individual fibers of an optical cable for intrusion
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,634,387Frequency envelope detection method for signal analysis
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,207,168Monitoring for disturbance of optical fiber
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,736,826Monitoring for disturbance of optical fiber
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,046,669Hardware and methods for secure alarmed armored protective distribution systems and management
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,388,128Alarm System for a Single Mode Optical Fiber Network
In force
 · High confidence
In forceHigh confidence
US 10,600,294Alarm System for a Single Mode Optical Fiber Network
In force
 · High confidence
In forceHigh confidence
US 9,374,157Drop discriminating network alarm system utilizing a single sensing fiber
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 23 patents shown.
Pro members see all 23.
Pro members: see all 23 patents
Also on record, not counted in the 23: 13 patents in force now held by others · 9 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.

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

1 pending · 2 abandoned · 4 no status recorded

List them

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