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13 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Jun 2030
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 Sep 1, 2027
    The maintenance fee for Node and system for a synchronous network (US 9,277,256) comes due Sep 1, 2027. Unpaid by Mar 1, 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 9,277,256Node and system for a synchronous network
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,559,943Network communication redundancy method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,553,686Compression method for TDM frames in a packet network
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,666,568Timing transport method in a communication network
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,979,621Method in a communication network
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,120,169Edge Node Control
In force
 · High confidence
In forceHigh confidence
US 10,972,775Time synchronization of client devices using two-way time transfer in a live content distribution system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,659,215Time Synchronization in a Live Content Distribution System
In force
 · Medium confidence
In forceMedium confidence
US 12,771,736Network Offset
In force
 · High confidence
In forceHigh confidence
US 12,124,395Adaptive module port and circuitry
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 patents
Also on record, not counted in the 13: 3 lapsed for an unpaid fee · 15 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.

2 pending · 1 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