Spectral Sciences, Inc.

9 patents currently held · Updated Nov 14, 2026

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

Recorded under 2 name spellings.

Ending by 2030

Nov 2028

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 Nov 26, 2026
The maintenance fee for External cavity laser source (US 9,042,414) comes due Nov 26, 2026. Unpaid by May 26, 2027, it lapses early.
1 fee due Nov 5, 2027
The maintenance fee for Signal-to-noise enhancement (US 10,643,309) comes due Nov 5, 2027. Unpaid by May 5, 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 7,680,337	Process for finding endmembers in a data set In force Term ends Nov 18, 2028 · From the USPTO record	In force	Term ends Nov 18, 2028	From the USPTO record
US 8,305,575	Adaptive spectral sensor and methods using same In force Term ends Jun 5, 2031 · From the USPTO record	In force	Term ends Jun 5, 2031	From the USPTO record
US 9,804,028	External cavity laser source In force Term ends Jun 26, 2031 · From the USPTO record	In force	Term ends Jun 26, 2031	From the USPTO record
US 8,351,031	Single-shot spectral imager In force Term ends Aug 16, 2031 · From the USPTO record	In force	Term ends Aug 16, 2031	From the USPTO record
US 8,371,102	Combustor Control Based on Fuel Modulation and Passive Optical Sensors In force Term ends Sep 21, 2031 · High confidence	In force	Term ends Sep 21, 2031	High confidence
US 9,042,414	External cavity laser source In force Term ends May 12, 2032 · From the USPTO record	In force	Term ends May 12, 2032	From the USPTO record
US 9,442,002	Remote optical sensing of the integrity of a structure using reflected or scattered light In force Term ends Jun 21, 2034 · From the USPTO record	In force	Term ends Jun 21, 2034	From the USPTO record
US 10,643,309	Signal-to-noise enhancement In force Term ends Dec 23, 2037 · From the USPTO record	In force	Term ends Dec 23, 2037	From the USPTO record
US 11,047,737	Temporal-spectral multiplexing sensor and method In force Term ends Dec 25, 2039 · From the USPTO record	In force	Term ends Dec 25, 2039	From the USPTO record

Also on record, not counted in the 9: 3 lapsed for an unpaid fee · 21 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.

1 no status recorded

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