The Patent Finder

TrellisWare Technologies, Inc.

49 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

12
Ending by 2030
Jun 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 9, 2026
    The maintenance fee for Method and system for synchronization of time-slotted barrage relay networks (US 9,054,822) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
  • 1 fee due Jan 14, 2027
    The maintenance fee for Secure group key agreement for wireless networks (US 9,084,112) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
  • 1 fee due Mar 19, 2027
    The maintenance fee for Network-enabled connectivity for disadvantaged communication links (US 11,765,762) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
  • 1 fee due Apr 27, 2027
    The maintenance fee for Method and system for controlling the peak-to-average power ratio of orthogonal frequency-domain signals (US 9,172,573) comes due Apr 27, 2027. Unpaid by Oct 27, 2027, it lapses early.
  • 2 fees due May 12 to 26, 2027 · next May 12
  • 1 fee due Jul 5, 2027
    The maintenance fee for Joint analog and digital interference cancellation in wireless systems (US 9,231,647) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.
  • 1 fee due Aug 11, 2027
    The maintenance fee for Methods and Systems for Improved Authenticated Encryption in Counter-Based Cipher Systems (US 10,560,269) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were 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 7,673,213Method and apparatus for communications using improved turbo like codes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,964,629Methods and systems for conducting relayed communication
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,964,773Method and system for establishing cooperative routing in wireless networks
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,958,425Method and apparatus for communications using turbo like codes
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,584,400Clash-free irregular-repeat-accumulate code
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,761,772Using no-refresh DRAM in error correcting code encoder and decoder implementations
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,743,287Using SAM in error correcting code encoder and decoder implementations
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,698,624Scheduling pipelined state update for high-speed trellis processing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,457,005Method and system for establishing cooperative routing in wireless networks
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,975,189Error rate estimation/application to code-rate adaption
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 49 patents shown.
Pro members see all 49.
Pro members: see all 49 patents
Also on record, not counted in the 49: 2 lapsed for an unpaid fee · 3 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 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