Pediatric Powder for Oral Suspension Containing Antiviral Agent and Method for the Preparation Thereof

US 12,453,732 In force

Overview Sources & methods

Term ends Jun 19, 2035 · Low confidence

Computed 20-year base term

Held by Pharmathen S.A.

Filed Jul 13, 2022 as application 17/863,638 · Granted Oct 28, 2025

Base term, 20 years from filing · capped by a resolved terminal disclaimer

Today

20 years from filing

Term ends Jun 19, 2035

2017 2037

Clock starts
Jan 14, 2017

Term ends
Jun 19, 2035

Granted
Oct 28, 2025

base term after the term ends Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

None

Term adjustment

No prosecution delay on this record.

Capped

Terminal disclaimer

Resolved from the filed document, referencing US 11,969,429, US 12,458,645.

0 of 2

Maintenance fees paid

Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Jan 14, 2017, when the earliest non-provisional application in its chain was filed (this one was filed Jul 13, 2022); a parent in its chain could not be resolved (the next row)	Jan 14, 2037	High confidence
Continuity chain	A parent in the chain could not be resolved	dated from this application's own claim	Medium confidence
Patent term adjustment	None on file	no change	High confidence
Terminal disclaimer cap	Disclaimer resolved from the filed document (refs US 11,969,429, US 12,458,645)	capped to Jun 19, 2035	Medium confidence
Patent term extension	None on file	no change	High confidence
Fee events	0 of 2 maintenance fees paid	In force	High confidence
Computed term end	The steps above, in order	Jun 19, 2035	Low confidence

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.

Pediatric Powder for Oral Suspension Containing Antiviral Agent and Method for the Preparation Thereof

Term ends Jun 19, 2035 · Low confidence

20-year base term ends Jan 14, 2037

How we calculated this date

Sources