The Patent Finder

Alkahest, Inc.

28 patents currently held · Updated Nov 14, 2026
6 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.
0
Ending by 2030
Oct 2031
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 30, 2026
    The maintenance fee for Methods of Inducing Liver Regeneration by Administering a Plasma Protein Fraction (US 11,660,316) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
  • 1 fee due Jan 23, 2027
    The maintenance fee for Dosing Regimen for Treatment of Cognitive and Motor Impairments with Blood Plasma and Blood Plasma Products (US 10,357,513) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
  • 1 fee due Jul 7, 2027
    The maintenance fee for Blood Plasma Fractions as a Treatment for Aging-Associated Cognitive Disorders (US 10,525,107) comes due Jul 7, 2027. Unpaid by Jan 7, 2028, it lapses early.
  • 2 fees due Oct 9 to 16, 2027 · next Oct 9

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was granted since Aug 16, 2026
  • 2 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 8,742,115Co-Crystals and Salts of CCR3-INHIBITORS
In force
 · High confidence
In forceHigh confidence
US 9,662,339Benzodioxane Inhibitors of Leukotriene Production for Combination Therapy
In force
 · High confidence
In forceHigh confidence
US 8,680,280Process for the Manufacturing of CRR Inhibitors
In force
 · High confidence
In forceHigh confidence
US 11,612,596Pharmaceutical Formulations Comprising CCR3 Antagonists
In force
 · Medium confidence
In forceMedium confidence
US 10,213,421Pharmaceutical Formulations Comprising CCR3 Antagonists
In force
 · High confidence
In forceHigh confidence
US 10,245,285Blood plasma and plasma fractions as therapy for tumor growth and progression
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,525,107Blood Plasma Fractions as a Treatment for Aging-Associated Cognitive Disorders
In force
 · High confidence
In forceHigh confidence
US 12,697,373Blood Plasma Fractions as a Treatment for Aging-Associated Cognitive Disorders
In force
 · Low confidence
In forceLow confidence
US 10,905,717Blood plasma and plasma fractions as therapy for tumor growth and progression
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,382,907Methods and compositions for treating aging-associated impairments using CCR3-inhibitors
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 28 patents shown.
Pro members see all 28.
Pro members: see all 28 patents
Also on record, not counted in the 28: 6 patents in force now held by others · 3 lapsed for an unpaid fee · 1 surrendered on reissue. 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.

3 pending · 10 abandoned · 7 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