Nexidia, Inc.

19 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

Jun 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 Sep 1, 2027
The maintenance fee for Augmented Characterization for Speech Recognition (US 9,275,640) comes due Sep 1, 2027. Unpaid by Mar 1, 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 7,640,161	Wordspotting System In force Term ends Jun 5, 2027 · High confidence	In force	Term ends Jun 5, 2027	High confidence
US 7,949,527	Multiresolution Searching In force Term ends Mar 22, 2030 · High confidence	In force	Term ends Mar 22, 2030	High confidence
US 8,051,086	Enhancing Call Center Performance In force Term ends Apr 15, 2030 · High confidence	In force	Term ends Apr 15, 2030	High confidence
US 8,429,171	Consistent User Experience in Information Retrieval Systems In force Term ends Apr 26, 2030 · High confidence	In force	Term ends Apr 26, 2030	High confidence
US 8,170,873	Comparing Events in Word Spotting In force Term ends Jan 14, 2031 · High confidence	In force	Term ends Jan 14, 2031	High confidence
US 8,411,841	Real-Time Agent Assistance In force Term ends Mar 26, 2031 · High confidence	In force	Term ends Mar 26, 2031	High confidence
US 9,275,640	Augmented Characterization for Speech Recognition In force Term ends Jul 14, 2031 · High confidence	In force	Term ends Jul 14, 2031	High confidence
US 8,311,828	Keyword Spotting Using a Phoneme-Sequence Index In force Term ends Aug 15, 2031 · High confidence	In force	Term ends Aug 15, 2031	High confidence
US 9,697,278	Query Generation Using Text and Audio In force Term ends Nov 1, 2031 · High confidence	In force	Term ends Nov 1, 2031	High confidence
US 8,494,133	Enterprise Speech Intelligence Analysis In force Term ends Nov 11, 2031 · High confidence	In force	Term ends Nov 11, 2031	High confidence

10 of 19 patents shown.

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Pro members: see all 19 patents

Also on record, not counted in the 19: 6 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.

18 abandoned

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