Avalyn Pharma Inc.

14 patents currently held · Updated Nov 14, 2026

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

Previously recorded as Windward Pharma, Inc. (to 2020)

Previously recorded as Genoa Pharmaceuticals, Inc. (to 2017)

Ending by 2030

Jan 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 7, 2027
The maintenance fee for Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof (US 10,610,536) comes due Oct 7, 2027. Unpaid by Apr 7, 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.

Patent	Title	Status	Expires	Confidence
US 11,224,592	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 31, 2032 · High confidence	In force	Term ends Jan 31, 2032	High confidence
US 11,452,718	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 31, 2032 · Medium confidence	In force	Term ends Jan 31, 2032	Medium confidence
US 11,559,520	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 31, 2032 · Medium confidence	In force	Term ends Jan 31, 2032	Medium confidence
US 12,226,407	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 31, 2032 · Medium confidence	In force	Term ends Jan 31, 2032	Medium confidence
US 10,092,552	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Apr 24, 2032 · High confidence	In force	Term ends Apr 24, 2032	High confidence
US 10,105,356	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Apr 24, 2032 · High confidence	In force	Term ends Apr 24, 2032	High confidence
US 11,980,689	Inhaled Imatinib for Treatment of Pulmonary Arterial Hypertension (PAH) In force Ends no later than Jul 31, 2034 · Medium confidence	In force	Ends no later than Jul 31, 2034	Medium confidence
US 9,770,443	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 9, 2035 · High confidence	In force	Term ends Jan 9, 2035	High confidence
US 10,028,966	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 9, 2035 · High confidence	In force	Term ends Jan 9, 2035	High confidence
US 10,610,536	Aerosol Pirfenidone and Pyridone Analog Compounds and Uses Thereof In force Term ends Jan 9, 2035 · High confidence	In force	Term ends Jan 9, 2035	High confidence

10 of 14 patents shown.

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Pro members: see all 14 patents

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.

9 pending · 2 abandoned · 1 no status recorded

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