The Patent Finder

Am-Pharma B.V.

8 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2
Ending by 2030
Apr 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.
  • 1 fee due Mar 5, 2027
    The maintenance fee for Chimeric alkaline phosphatase-like proteins (US 11,746,340) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
  • 1 fee due Aug 25, 2027
    The maintenance fee for Downstream Processing of an Alkaline Phosphatase (US 10,570,380) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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.

Showing 1 to 8 of 8

PatentTitleStatus Expires Confidence
US 8,557,545Modified phosphatases
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,586,032Use of alkaline phosphatase in the treatment of reduced renal function
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,926,544Chimeric alkaline phosphatase-like proteins
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,822,597Chimeric alkaline phosphatase-like proteins
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,746,340Chimeric alkaline phosphatase-like proteins
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,534,713Chimeric Alkaline Phosphatase-Like Proteins
In force
 · Low confidence
In forceLow confidence
US 10,570,380Downstream Processing of an Alkaline Phosphatase
In force
 · Medium confidence
In forceMedium confidence
US 12,178,857Recombinant Alkaline Phosphatase for Use in Treating Sepsis-Associated Acute Kidney Injury
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 8: 3 lapsed for an unpaid fee · 2 ended at full term. 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.

1 pending · 2 abandoned · 6 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