The Patent Finder

Ovonyx Memory Technology, LLC

149 patents currently held · Updated Nov 14, 2026
2 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.
113
Ending by 2030
Nov 2026
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 Nov 19, 2026
    The maintenance fee for Immunity of phase change material to disturb in the amorphous phase (US 9,036,409) comes due Nov 19, 2026. Unpaid by May 19, 2027, it lapses early.
  • 11 fees due Dec 4 to 30, 2026 · next Dec 4
  • 3 fees due Jan 7 to 21, 2027 · next Jan 7
  • 1 fee due Apr 17, 2027
    The maintenance fee for Selective Reading of Memory with Improved Accuracy (US 11,789,796) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
  • 1 fee due Jun 29, 2027
    The maintenance fee for Pixel interpolation apparatus, imaging apparatus, pixel interpolation processing method, integrated circuit, and non-transitory computer readable storage medium (US 9,225,948) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
  • 1 fee due Jul 5, 2027
    The maintenance fee for Apparatus and methods for forming a memory cell using charge monitoring (US 9,230,645) comes due Jul 5, 2027. Unpaid by Jan 5, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 23 terms have 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 7,414,883Programming a normally single phase chalcogenide material for use as a memory or FPLA
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,455,937Reticles and methods of forming reticles
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,473,950Nitrogenated carbon electrode for chalcogenide device and method of making same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,505,330Phase-change random access memory employing read before write for resistance stabilization
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,638,789Forming an intermediate electrode between an ovonic threshold switch and a chalcogenide memory element
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,109,347Variable resistance memory with lattice array using enclosing transistors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,164,186Methods of Operating Memory Devices and Electronic Systems
In force
 · Medium confidence
In forceMedium confidence
US 7,596,016Optically accessible phase change memory
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,763,885Variable resistance memory with lattice array using enclosing transistors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,606,066Memory Cell and Memory Cell Array Having an Electrically Floating Body Transistor, and Methods of Operating Same
In force
 · Medium confidence
In forceMedium confidence
10 of 149 patents shown.
Pro members see all 149.
Pro members: see all 149 patents
Also on record, not counted in the 149: 2 patents in force now held by others · 337 lapsed for an unpaid fee · 382 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