The Patent Finder

Asceneuron SA

17 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Jun 2034
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 Jan 2 to 9, 2027 · next Jan 2
  • 1 fee due Feb 22, 2027
    The maintenance fee for Spiro compounds as glycosidase inhibitors (US 11,731,972) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
  • 1 fee due Apr 24, 2027
    The maintenance fee for Tetrahydro-benzoazepine glycosidase inhibitors (US 11,795,165) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, it lapses early.
  • 1 fee due Aug 11, 2027
    The maintenance fee for Glycosidase inhibitors (US 10,556,902) comes due Aug 11, 2027. Unpaid by Feb 11, 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 9,505,769Tetraaza-cyclopenta[a]indenyl derivatives
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,336,775Glycosidase inhibitors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,046,712Glycosidase inhibitors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,187,741Glycosidase inhibitors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,344,021Process for the separation of enantiomers of piperazine derivatives
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,556,902Glycosidase inhibitors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,696,668Acid addition salts of piperazine derivatives
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,261,183Sulfoximine Glycosidase Inhibitors
In force
 · High confidence
In forceHigh confidence
US 11,591,327Acid addition salts of piperazine derivatives
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,398,130Acid addition salts of piperazine derivatives
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
Also on record, not counted in the 17: 2 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.

2 pending · 1 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