Afyren

8 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

Sep 2034

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 Apr 24, 2027
The maintenance fee for Method for Preparing Organic Molecules by Anaerobic Fermentation (US 11,795,482) comes due Apr 24, 2027. Unpaid by Oct 25, 2027, 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

Patent	Title	Status	Expires	Confidence
US 9,981,884	Method for preserving the fermentable potential of an organic substrate and corresponding facility In force Term ends Sep 9, 2034 · From the USPTO record	In force	Term ends Sep 9, 2034	From the USPTO record
US 10,233,469	Method For Extracting Molecules Produced By Anaerobic Fermentation From Fermentable Biomass In force Term ends Jul 17, 2035 · High confidence	In force	Term ends Jul 17, 2035	High confidence
US 9,650,469	Process or producing polyhydroxyalkanoates from precursors obtained by anaerobic fermentation from fermentable biomass In force Term ends Feb 25, 2036 · From the USPTO record	In force	Term ends Feb 25, 2036	From the USPTO record
US 9,701,619	Process for producing amino acids from precursors obtained by anaerobic fermentation from fermentable biomass In force Term ends Feb 25, 2036 · From the USPTO record	In force	Term ends Feb 25, 2036	From the USPTO record
US 11,149,230	Process for extracting carboxylic acids produced by anaerobic fermentation from fermentable biomass In force Term ends Sep 29, 2037 · From the USPTO record	In force	Term ends Sep 29, 2037	From the USPTO record
US 11,485,690	Valorisation of potassium salts coproduced in fermentation processes In force Term ends Jan 1, 2039 · From the USPTO record	In force	Term ends Jan 1, 2039	From the USPTO record
US 12,344,567	Valorisation of potassium salts coproduced in fermentation processes In force Term ends Mar 2, 2039 · From the USPTO record	In force	Term ends Mar 2, 2039	From the USPTO record
US 11,795,482	Method for Preparing Organic Molecules by Anaerobic Fermentation In force Term ends Feb 3, 2040 · High confidence	In force	Term ends Feb 3, 2040	High confidence

Also on record, not counted in the 8: 1 lapsed for an unpaid fee. 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.

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Published applications

Every application published under this name has become a patent.