Altavant Sciences GmbH

10 patents currently held · Updated Nov 14, 2026

2 more in force are now held by other companies

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

Ending by 2030

Aug 2027

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.

2 fees due Jan 16 to 25, 2027 · next Jan 16
1 fee due Mar 19, 2027
The maintenance fee for Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors (US 11,759,462) comes due Mar 19, 2027. Unpaid by Sep 20, 2027, it lapses early.
1 fee due Jun 1, 2027
The maintenance fee for Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors (US 9,199,994) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
1 fee due Aug 27, 2027
The maintenance fee for Method for Treating Pulmonary Arterial Hypertension and Associated Pulmonary Arterial Hypertension (US 11,911,382) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 term has ended 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 10 of 10

Patent	Title	Status	Expires	Confidence
US 10,550,389	Localized therapy of lower airways inflammatory disorders with proinflammatory cytokine inhibitors In force Term ends Aug 10, 2027 · From the USPTO record	In force	Term ends Aug 10, 2027	From the USPTO record
US 9,199,994	Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors In force Term ends Sep 5, 2034 · High confidence	In force	Term ends Sep 5, 2034	High confidence
US 10,350,208	Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors In force Term ends Sep 5, 2034 · High confidence	In force	Term ends Sep 5, 2034	High confidence
US 10,660,893	Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors In force Term ends Sep 5, 2034 · High confidence	In force	Term ends Sep 5, 2034	High confidence
US 11,759,462	Spirocyclic Compounds as Tryptophan Hydroxylase Inhibitors In force Ends no later than Nov 5, 2034 · Medium confidence	In force	Ends no later than Nov 5, 2034	Medium confidence
US 10,710,948	Processes for preparing (R)-1-(5-chloro-[1,1″-biphenyl] -2-yl)-2,2,2-trifluoroethanol and 1-(5-chloro-[1,1″-biphenyl]-2-yl)-2,2,2-trifluoroethanone In force Term ends Mar 3, 2036 · From the USPTO record	In force	Term ends Mar 3, 2036	From the USPTO record
US 11,708,365	Processes for preparing TPH1 inhibitors In force Term ends Jan 2, 2038 · From the USPTO record	In force	Term ends Jan 2, 2038	From the USPTO record
US 11,576,915	Method for Treating Pulmonary Arterial Hypertension and Associated Pulmonary Arterial Hypertension and Daily Dosing In force Term ends Nov 15, 2039 · High confidence	In force	Term ends Nov 15, 2039	High confidence
US 11,911,382	Method for Treating Pulmonary Arterial Hypertension and Associated Pulmonary Arterial Hypertension In force Term ends Nov 15, 2039 · High confidence	In force	Term ends Nov 15, 2039	High confidence
US 11,607,413	Dosage Regime and Method for Treating Pulmonary Arterial Hypertension In force Term ends Apr 26, 2040 · High confidence	In force	Term ends Apr 26, 2040	High confidence

Also on record, not counted in the 10: 2 patents in force now held by others · 9 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

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.

12 no status recorded

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