Quantum Nil Technology Pte. Ltd.

7 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 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 Dec 23, 2026
The maintenance fee for Three Dimensional Lignocellulosic Detection Device (US 9,063,128) comes due Dec 23, 2026. Unpaid by Jun 23, 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 7 of 7

Patent	Title	Status	Expires	Confidence
US 7,615,398	Pyramidal photonic crystal light emitting device In force Term ends Mar 19, 2027 · From the USPTO record	In force	Term ends Mar 19, 2027	From the USPTO record
US 7,700,962	Inverted-pyramidal photonic crystal light emitting device In force Term ends Mar 30, 2027 · From the USPTO record	In force	Term ends Mar 30, 2027	From the USPTO record
US 8,383,493	Production of semiconductor devices In force Term ends Jan 31, 2028 · From the USPTO record	In force	Term ends Jan 31, 2028	From the USPTO record
US 8,828,849	Production of single-crystal semiconductor material using a nanostructure template In force Term ends Jun 5, 2029 · From the USPTO record	In force	Term ends Jun 5, 2029	From the USPTO record
US 8,118,934	Non-polar III-V nitride material and production method In force Term ends Jun 17, 2030 · From the USPTO record	In force	Term ends Jun 17, 2030	From the USPTO record
US 9,355,840	High quality devices growth on pixelated patterned templates In force Term ends Nov 7, 2031 · From the USPTO record	In force	Term ends Nov 7, 2031	From the USPTO record
US 9,063,128	Three Dimensional Lignocellulosic Detection Device In force Ends no later than Sep 3, 2033 · Medium confidence	In force	Ends no later than Sep 3, 2033	Medium confidence

Also on record, not counted in the 7: 4 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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