Global Lighting Technologies Inc.

12 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

May 2029

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 Oct 26, 2027
The maintenance fee for Illumination apparatus, method for manufacturing light guide plate, back light module and method for manufacturing the same (US 9,322,971) comes due Oct 26, 2027. Unpaid by Apr 26, 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 8,419,261	Light guide apparatus of backlight module In force Ends no later than May 12, 2029 · From the USPTO record	In force	Ends no later than May 12, 2029	From the USPTO record
US 8,419,262	Light guide apparatus for backlight module In force Ends no later than May 12, 2029 · From the USPTO record	In force	Ends no later than May 12, 2029	From the USPTO record
US 9,322,971	Illumination apparatus, method for manufacturing light guide plate, back light module and method for manufacturing the same In force Term ends May 12, 2029 · From the USPTO record	In force	Term ends May 12, 2029	From the USPTO record
US 9,429,697	Backlight module In force Ends no later than May 12, 2029 · From the USPTO record	In force	Ends no later than May 12, 2029	From the USPTO record
US 9,429,702	Light guide structure and backlight module In force Ends no later than May 12, 2029 · From the USPTO record	In force	Ends no later than May 12, 2029	From the USPTO record
US 9,568,666	Illumination apparatus In force Term ends May 12, 2029 · From the USPTO record	In force	Term ends May 12, 2029	From the USPTO record
US 10,153,105	Touch-sensitive light guide film, and glowing keyboard and electrical device using the same In force Term ends May 12, 2029 · From the USPTO record	In force	Term ends May 12, 2029	From the USPTO record
US 10,048,536	Light guide plate and assembly thereof In force Term ends Jun 26, 2029 · From the USPTO record	In force	Term ends Jun 26, 2029	From the USPTO record
US 9,004,737	Illumination Apparatus In force Term ends Jul 7, 2029 · Medium confidence	In force	Term ends Jul 7, 2029	Medium confidence
US 8,511,883	Light guide apparatus for a backlight module In force Term ends Sep 5, 2029 · From the USPTO record	In force	Term ends Sep 5, 2029	From the USPTO record

10 of 12 patents shown.

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Pro members: see all 12 patents

Also on record, not counted in the 12: 3 lapsed for an unpaid fee. 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.

10 no status recorded

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