The Patent Finder

Ardelyx, Inc.

40 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
6
Ending by 2030
Dec 2029
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.
  • 4 fees due Feb 8 to 27, 2027 · next Feb 8
  • 2 fees due Mar 12 to 26, 2027 · next Mar 12
  • 1 fee due May 14, 2027
    The maintenance fee for Compounds and Methods for Inhibiting Phosphate Transport (US 11,813,304) comes due May 14, 2027. Unpaid by Nov 15, 2027, it lapses early.
  • 2 fees due Jul 2 to 28, 2027 · next Jul 2
  • 3 fees due Sep 8 to 22, 2027 · next Sep 8
  • 1 fee due Oct 5, 2027
    The maintenance fee for Compounds and Methods for Inhibiting Phosphate Transport (US 9,301,951) comes due Oct 5, 2027. Unpaid by Apr 5, 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 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 8,969,377Compounds and Methods for Inhibiting Nhe-Mediated Antiport in the Treatment of Disorders Associated with Fluid Retention or Salt Overload and Gastrointestinal Tract Disorders
In force
 · Low confidence
In forceLow confidence
US 9,408,840Compounds and Methods for Inhibiting Nhe-Mediated Antiport in the Treatment of Disorders Associated with Fluid Retention or Salt Overload and Gastrointestinal Tract Disorder
In force
 · Low confidence
In forceLow confidence
US 10,543,207Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,318,129Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,016,856Compounds and methods for inhibiting NHE-mediated antiport in the treatment of disorders associated with fluid retention or salt overload and gastrointestinal tract disorders
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,006,281Compounds and Methods for Inhibiting Nhe-Mediated Antiport in the Treatment of Disorders Associated with Fluid Retention or Salt Overload and Gastrointestinal Tract Disorders
In force
 · Medium confidence
In forceMedium confidence
US 8,809,339Compounds and Methods for Inhibiting Phosphate Transport
In force
 · Medium confidence
In forceMedium confidence
US 8,815,908Compounds and Methods for Inhibiting Phosphate Transport
In force
 · Medium confidence
In forceMedium confidence
US 8,815,910Compounds and Methods for Inhibiting Phosphate Transport
In force
 · Medium confidence
In forceMedium confidence
US 8,916,569Compounds and Methods for Inhibiting Phosphate Transport
In force
 · Medium confidence
In forceMedium confidence
10 of 40 patents shown.
Pro members see all 40.
Pro members: see all 40 patents

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.

9 pending · 6 abandoned · 8 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