The Patent Finder

Iqe PLC

36 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Apr 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 25, 2026
    The maintenance fee for Rare earth pnictides for strain management (US 10,332,857) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
  • 1 fee due Jan 30, 2027
    The maintenance fee for Multijunction photovoltaic device having an Si barrier between cells (US 10,367,107) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.
  • 2 fees due Mar 12 to 22, 2027 · next Mar 12
  • 1 fee due Jul 12, 2027
    The maintenance fee for III-N material grown on REN epitaxial buffer on Si substrate (US 9,236,249) comes due Jul 12, 2027. Unpaid by Jan 12, 2028, it lapses early.
  • 1 fee due Aug 18, 2027
    The maintenance fee for Layer Structures for RF Filters Fabricated Using Rare Earth Oxides and Epitaxial Aluminum Nitride (US 10,566,944) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.
  • 1 fee due Sep 3, 2027
    The maintenance fee for Nucleation layer for growth of III-nitride structures (US 10,580,871) comes due Sep 3, 2027. Unpaid by Mar 3, 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 7,605,531Full color display including LEDs with rare earth active areas and different radiative transistions
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,846,751LED chip thermal management and fabrication methods
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,675,117Multi-gate field effect transistor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,367,107Multijunction photovoltaic device having an Si barrier between cells
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,501,635Modification of REO by subsequent III-N EPI process
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,633,569AlN inter-layers in III-N material grown on REO/silicon substrate
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,889,978III-V semiconductor interface with graded GeSn on silicon
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,872,308AlN cap grown on GaN/REO/silicon substrate structure
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,994,032III-N MATERIAL GROWN ON ErAlN BUFFER ON Si SUBSTRATE
In force
 · High confidence
In forceHigh confidence
US 9,236,249III-N material grown on REN epitaxial buffer on Si substrate
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 36 patents shown.
Pro members see all 36.
Pro members: see all 36 patents
Also on record, not counted in the 36: 1 patent in force now held by others · 56 lapsed for an unpaid fee · 18 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.

4 pending · 1 abandoned · 11 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