Excelent LLC

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

Jul 2037

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 28, 2027
The maintenance fee for Devices and methods for delivering fluid to a nasal cavity (US 10,632,280) comes due Oct 28, 2027. Unpaid by Apr 28, 2028, it lapses early.

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Recent changes

1 of the patents on this record was granted 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 8 of 8

Patent	Title	Status	Expires	Confidence
US 10,252,038	Fluid delivery device for the nasal cavity In force Term ends Jul 24, 2037 · From the USPTO record	In force	Term ends Jul 24, 2037	From the USPTO record
US 11,247,022	Devices and methods for delivering fluid to a nasal cavity In force Term ends Sep 24, 2037 · From the USPTO record	In force	Term ends Sep 24, 2037	From the USPTO record
US 10,632,280	Devices and methods for delivering fluid to a nasal cavity In force Term ends Oct 11, 2037 · From the USPTO record	In force	Term ends Oct 11, 2037	From the USPTO record
US 12,246,140	Devices and methods for delivering fluid to a nasal cavity In force Term ends May 10, 2038 · From the USPTO record	In force	Term ends May 10, 2038	From the USPTO record
US 11,052,205	Devices and Methods for Delivering Fluid to a Nasal Cavity In force Term ends Sep 27, 2039 · High confidence	In force	Term ends Sep 27, 2039	High confidence
US 11,229,447	Systems, Instruments and Methods for Treating Sinuses In force Term ends Feb 27, 2040 · High confidence	In force	Term ends Feb 27, 2040	High confidence
US 12,053,575	Devices and Methods for Delivering Fluid to a Nasal Cavity In force Term ends Mar 29, 2040 · High confidence	In force	Term ends Mar 29, 2040	High confidence
US 12,788,236	Systems, Instruments and Methods for Treating a Subject In force Term ends Nov 8, 2042 · Medium confidence	In force	Term ends Nov 8, 2042	Medium 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

Every application published under this name has become a patent.