Ellumen, Inc.

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

Mar 2033

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 Feb 18, 2027
The maintenance fee for Dielectric encoding of medical images (US 9,111,334) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
1 fee due Apr 8, 2027
The maintenance fee for Phase confocal method for near-field microwave imaging (US 10,436,895) comes due Apr 8, 2027. Unpaid by Oct 8, 2027, 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 9,386,936	Distributed microwave image processing system and method In force Ends no later than Mar 13, 2033 · From the USPTO record	In force	Ends no later than Mar 13, 2033	From the USPTO record
US 9,111,334	Dielectric encoding of medical images In force Term ends Nov 1, 2033 · From the USPTO record	In force	Term ends Nov 1, 2033	From the USPTO record
US 9,704,275	Dielectric encoding of medical images In force Term ends Jan 22, 2034 · From the USPTO record	In force	Term ends Jan 22, 2034	From the USPTO record
US 9,450,304	Beam switching antenna based on frequency selective surfaces In force Term ends Feb 27, 2035 · From the USPTO record	In force	Term ends Feb 27, 2035	From the USPTO record
US 9,869,641	Microwave imaging device In force Term ends Jun 18, 2036 · From the USPTO record	In force	Term ends Jun 18, 2036	From the USPTO record
US 10,436,895	Phase confocal method for near-field microwave imaging In force Term ends Sep 26, 2037 · From the USPTO record	In force	Term ends Sep 26, 2037	From the USPTO record
US 10,983,209	Accurate signal compensations for UWB radar imaging in dispersive medium In force Term ends May 4, 2039 · From the USPTO record	In force	Term ends May 4, 2039	From the USPTO record
US 11,355,857	Directable antenna system and method for improved communications quality In force Term ends Jun 17, 2040 · From the USPTO record	In force	Term ends Jun 17, 2040	From the USPTO record

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 no status recorded

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