Aprofol AG

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

Apr 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 Jan 4, 2027
The maintenance fee for Folate salts for medical use (US 11,690,846) comes due Jan 4, 2027. Unpaid by Jul 6, 2027, it lapses early.
1 fee due Apr 17, 2027
The maintenance fee for Folate Salts (US 11,787,808) comes due Apr 17, 2027. Unpaid by Oct 18, 2027, it lapses early.
1 fee due Oct 5, 2027
The maintenance fee for Stable high strength pharmaceutical composition of levoleucovorin (US 9,301,922) comes due Oct 5, 2027. Unpaid by Apr 5, 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

Patent	Title	Status	Expires	Confidence
US 9,301,922	Stable high strength pharmaceutical composition of levoleucovorin In force Term ends Apr 30, 2034 · From the USPTO record	In force	Term ends Apr 30, 2034	From the USPTO record
US 9,642,853	Stable pharmaceutical composition containing folates In force Term ends Jun 8, 2034 · From the USPTO record	In force	Term ends Jun 8, 2034	From the USPTO record
US 11,690,846	Folate salts for medical use In force Term ends Dec 12, 2038 · From the USPTO record	In force	Term ends Dec 12, 2038	From the USPTO record
US 12,622,913	Folate Salts for Medical Use In force Term ends Jul 1, 2039 · Medium confidence	In force	Term ends Jul 1, 2039	Medium confidence
US 12,234,237	Folate Salts In force Term ends Oct 31, 2039 · High confidence	In force	Term ends Oct 31, 2039	High confidence
US 11,787,808	Folate Salts In force Term ends Jun 28, 2040 · High confidence	In force	Term ends Jun 28, 2040	High confidence
US 12,138,266	Folate preparations In force Term ends May 31, 2041 · From the USPTO record	In force	Term ends May 31, 2041	From the USPTO record
US 12,048,702	Folate Preparations In force Term ends Jul 14, 2041 · High confidence	In force	Term ends Jul 14, 2041	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

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