Phytoquest Limited

6 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Oct 2032

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 Oct 30, 2027
The maintenance fee for Advanced Glycation End Product Analogues (US 11,970,513) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.
1 fee due Nov 3, 2027
The maintenance fee for Anti-inflammatory compounds (US 9,326,977) comes due Nov 3, 2027. Unpaid by May 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were 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.

Showing 1 to 6 of 6

Patent	Title	Status	Expires	Confidence
US 9,717,718	Anti-inflammatory compounds In force Ends no later than Oct 10, 2032 · From the USPTO record	In force	Ends no later than Oct 10, 2032	From the USPTO record
US 9,326,977	Anti-inflammatory compounds In force Term ends Jan 3, 2033 · From the USPTO record	In force	Term ends Jan 3, 2033	From the USPTO record
US 11,970,513	Advanced Glycation End Product Analogues In force Term ends Jun 25, 2033 · Medium confidence	In force	Term ends Jun 25, 2033	Medium confidence
US 12,709,630	Advanced Glycation End Product Analogues In force Ends no later than Jun 25, 2033 · Low confidence	In force	Ends no later than Jun 25, 2033	Low confidence
US 12,558,348	Bioactive Phytochemicals In force Term ends Mar 5, 2042 · High confidence	In force	Term ends Mar 5, 2042	High confidence
US 12,747,206	Bioactive Phytochemicals in Zizyphus and Guarana In force Term ends Dec 7, 2042 · High confidence	In force	Term ends Dec 7, 2042	High confidence

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.

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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 · 1 no status recorded

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