The Patent Finder

Rhizen Pharmaceuticals S.A.

21 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 3 name spellings.

7
Ending by 2030
Oct 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.
  • 1 fee due Dec 18, 2026
    The maintenance fee for Substituted chromenones as modulators of protein kinases (US 10,322,130) comes due Dec 18, 2026. Unpaid by Jun 21, 2027, it lapses early.
  • 1 fee due Mar 17, 2027
    The maintenance fee for Forms of a PI3K delta selective inhibitor for use in pharmaceutical formulations (US 10,414,773) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
  • 1 fee due Apr 6, 2027
    The maintenance fee for Novel Selective PI3K Delta Inhibitors (US 9,150,579) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
  • 1 fee due Jul 2, 2027
    The maintenance fee for Novel Kinase Modulators (US 11,858,907) comes due Jul 2, 2027. Unpaid by Jan 3, 2028, it lapses early.
  • 1 fee due Aug 25, 2027
    The maintenance fee for Novel Selective PI3K Delta Inhibitors (US 10,570,142) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 17, 2026
  • 2 terms have ended 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 8,921,364Modulators of calcium release-activated calcium channel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,758,514Modulators of calcium release-activated calcium channel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,246,450Modulators of calcium release-activated calcium channel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,642,6074H-CHROMEN-4-ONE Compounds as Modulators of Protein Kinases
In force
 · High confidence
In forceHigh confidence
US 9,018,375Substituted Chromenes as Kinase Modulators
In force
 · Medium confidence
In forceMedium confidence
US 11,858,907Novel Kinase Modulators
In force
 · Low confidence
In forceLow confidence
US 8,377,970Modulators of calcium release-activated calcium channel
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,758,474Immunomodulator and anti-inflammatory compounds
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,686,048Immunomodulator and anti-inflammatory compounds
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,220,035Novel Compounds as Modulators of Protein Kinases
In force
 · Medium confidence
In forceMedium confidence
10 of 21 patents shown.
Pro members see all 21.
Pro members: see all 21 patents
Also on record, not counted in the 21: 37 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 · 6 abandoned · 16 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