The Patent Finder

Ferroelectric Memory GmbH

61 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

0
Ending by 2030
Oct 2037
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.
  • 2 fees due Dec 20 to 27, 2026 · next Dec 20
  • 2 fees due Apr 8 to 29, 2027 · next Apr 8
  • 1 fee due Jul 30, 2027
    The maintenance fee for Memory cell arrangement and method thereof (US 11,887,644) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
  • 1 fee due Sep 5, 2027
    The maintenance fee for Startup circuit and methods thereof (US 11,921,534) comes due Sep 5, 2027. Unpaid by Mar 6, 2028, it lapses early.
  • 2 fees due Oct 2 to 14, 2027 · next Oct 2
  • 1 fee due Nov 12, 2027
    The maintenance fee for Ternary memory cell and ternary memory cell arrangement (US 10,650,892) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 3 of the patents on this record were granted since Aug 17, 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 10,438,645Memory cell and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,460,788Memory cell and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,622,051Memory cell and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,650,892Ternary memory cell and ternary memory cell arrangement
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,380,400Voltage supply circuit, memory cell arrangement, and method for operating a memory cell arrangement
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,626,164Voltage supply circuit, memory cell arrangement, and method for operating a memory cell arrangement
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,158,361Memory cell arrangement and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,594,271Memory cell driver, memory cell arrangement, and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,978,129Memory Cell, Memory Cell Arrangement and Methods Thereof
In force
 · High confidence
In forceHigh confidence
US 11,081,159Memory cell arrangement and methods thereof
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 61 patents shown.
Pro members see all 61.
Pro members: see all 61 patents
Also on record, not counted in the 61: 1 lapsed for an unpaid fee. 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.

7 pending · 2 abandoned · 5 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited