The Patent Finder

IP Gem Group, LLC

57 patents currently held · Updated Nov 14, 2026
9 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.
5
Ending by 2030
Jan 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.
  • 4 fees due Dec 2 to 16, 2026 · next Dec 2
  • 1 fee due Jan 14, 2027
    The maintenance fee for Systems and Methods for Decoding Data for Solid-State Memory (US 9,081,701) comes due Jan 14, 2027. Unpaid by Jul 14, 2027, it lapses early.
  • 2 fees due Apr 13 to 27, 2027 · next Apr 13
  • 1 fee due May 3, 2027
    The maintenance fee for Systems and Methods for Storing Data in Page Stripes of a Flash Drive (US 9,176,812) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
  • 2 fees due Jun 8 to 29, 2027 · next Jun 8
  • 2 fees due Jul 12, 2027
  • 1 fee due Aug 2, 2027
    The maintenance fee for Method and Apparatus for Driving a Laser Diode (US 9,252,563) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.
  • 1 fee due Oct 26, 2027
    The maintenance fee for Forward Error Correction Decoder and Method Therefor (US 9,325,347) comes due Oct 26, 2027. Unpaid by Apr 26, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended 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 7,908,138Low complexity noise reduction method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,010,355Low complexity noise reduction method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,451,867Network Time Protocol Precision Timestamping Service
In force
 · High confidence
In forceHigh confidence
US 8,023,641Spectral domain, non-linear echo cancellation method in a hands-free device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,090,316Digital FM Radio Transmitter
In force
 · High confidence
In forceHigh confidence
US 8,135,148Automatic Gain Control for Mobile Microphone
In force
 · High confidence
In forceHigh confidence
US 8,397,144BCH Data Correction System and Method
In force
 · High confidence
In forceHigh confidence
US 8,335,319Double Talk Detection Method Based on Spectral Acoustic Properties
In force
 · High confidence
In forceHigh confidence
US 8,694,855Error Correction Code Technique for Improving Read Stress Endurance
In force
 · High confidence
In forceHigh confidence
US 8,707,122Nonvolatile Memory Controller with Two-Stage Error Correction Technique for Enhanced Reliability
In force
 · High confidence
In forceHigh confidence
10 of 57 patents shown.
Pro members see all 57.
Pro members: see all 57 patents
Also on record, not counted in the 57: 9 patents in force now held by others · 8 lapsed for an unpaid fee · 30 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

Every application published under this name has become a patent.

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