Tascent, Inc.

9 patents currently held · Updated Nov 14, 2026

7 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

Dec 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.

1 fee due Mar 22, 2027
The maintenance fee for Compact iris imaging system (US 9,138,140) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, 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 9 of 9

Patent	Title	Status	Expires	Confidence
US 7,869,627	Post processing of iris images to increase image quality In force Term ends Dec 12, 2027 · From the USPTO record	In force	Term ends Dec 12, 2027	From the USPTO record
US D710,343	Enclosure for a mobile device In force Term ends Aug 5, 2028 · From the USPTO record	In force	Term ends Aug 5, 2028	From the USPTO record
US 8,092,021	On-axis illumination for iris imaging In force Term ends May 11, 2029 · From the USPTO record	In force	Term ends May 11, 2029	From the USPTO record
US 8,132,912	Iris Imaging System Using Circular Deformable Mirror Mounted by Its Circumference In force Term ends Feb 23, 2030 · High confidence	In force	Term ends Feb 23, 2030	High confidence
US 8,243,133	Scale-invariant, resolution-invariant iris imaging using reflection from the eye In force Term ends Sep 3, 2030 · From the USPTO record	In force	Term ends Sep 3, 2030	From the USPTO record
US 9,138,140	Compact iris imaging system In force Term ends Sep 19, 2033 · From the USPTO record	In force	Term ends Sep 19, 2033	From the USPTO record
US D862,561	Iris recognition system In force Term ends Oct 8, 2034 · From the USPTO record	In force	Term ends Oct 8, 2034	From the USPTO record
US D923,077	Iris recognition device In force Term ends Jun 22, 2036 · From the USPTO record	In force	Term ends Jun 22, 2036	From the USPTO record
US D1,030,769	Wall mountable door access device In force Term ends Jun 11, 2039 · From the USPTO record	In force	Term ends Jun 11, 2039	From the USPTO record

Also on record, not counted in the 9: 7 patents in force now held by others · 4 lapsed for an unpaid fee · 2 ended at full term. 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.

2 no status recorded

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