The Patent Finder

Nutriag Ltd.

4 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Apr 2028
Next term end

When these terms end

Held patents by the year their term ends
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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 Sep 8, 2027
    The maintenance fee for Agricultural Composition Comprising PH Sensitive Agricultural Chemicals and Organic PH Buffer (US 9,277,747) comes due Sep 8, 2027. Unpaid by Mar 8, 2028, it lapses early.
  • 1 fee due Oct 2, 2027
    The maintenance fee for Phosphorus Acid and Alkylamine or Alkanolamine Stabilized Copper Compound Containing Compositions for Controlling a Plant Disease Caused by a Phytopathogenic Organism (US 11,944,101) comes due Oct 2, 2027. Unpaid by Apr 3, 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 4 of 4

PatentTitleStatus Expires Confidence
US 10,145,803Ph colour indicator for use with agricultural compounds
In force
 · High confidence
In forceHigh confidence
US 9,277,747Agricultural Composition Comprising PH Sensitive Agricultural Chemicals and Organic PH Buffer
In force
 · High confidence
In forceHigh confidence
US 11,944,101Phosphorus Acid and Alkylamine or Alkanolamine Stabilized Copper Compound Containing Compositions for Controlling a Plant Disease Caused by a Phytopathogenic Organism
In force
 · High confidence
In forceHigh confidence
US 12,557,816Compositions for Controlling a Plant Disease
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 4: 1 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 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