eLUMIGEN, LLC

14 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

Jun 2030

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 Apr 20, 2027
The maintenance fee for Light assembly with a heat dissipation layer (US 9,163,819) comes due Apr 20, 2027. Unpaid by Oct 20, 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.

Patent	Title	Status	Expires	Confidence
US 8,419,218	Solid State Light Assembly Having Light Sources in a Ring In force Term ends Jun 17, 2030 · High confidence	In force	Term ends Jun 17, 2030	High confidence
US 8,449,137	Solid State Tube Light Assembly In force Term ends Jul 28, 2030 · High confidence	In force	Term ends Jul 28, 2030	High confidence
US 9,644,824	Solid state light assembly with control circuit In force Term ends Sep 13, 2030 · From the USPTO record	In force	Term ends Sep 13, 2030	From the USPTO record
US 8,723,424	Light Assembly Having Light Sources and Adjacent Light Tubes In force Term ends May 12, 2032 · High confidence	In force	Term ends May 12, 2032	High confidence
US 9,163,819	Light assembly with a heat dissipation layer In force Term ends Aug 8, 2033 · From the USPTO record	In force	Term ends Aug 8, 2033	From the USPTO record
US 9,651,219	Light bulb assembly having internal redirection element for improved directional light distribution In force Term ends Aug 10, 2035 · From the USPTO record	In force	Term ends Aug 10, 2035	From the USPTO record
US RE48,806	Spring lock clip for coupling a circuit board to an electrical base In force Term ends Apr 26, 2036 · From the USPTO record	In force	Term ends Apr 26, 2036	From the USPTO record
US 9,976,705	Light engine for AC and DC driver architectures for LED lamps In force Term ends May 23, 2037 · From the USPTO record	In force	Term ends May 23, 2037	From the USPTO record
US 11,092,325	High intensity discharge light assembly In force Term ends Oct 9, 2039 · From the USPTO record	In force	Term ends Oct 9, 2039	From the USPTO record
US 11,408,602	High intensity discharge light assembly In force Ends no later than Oct 9, 2039 · From the USPTO record	In force	Ends no later than Oct 9, 2039	From the USPTO record

10 of 14 patents shown.

Pro members see all 14.

Pro members: see all 14 patents

Also on record, not counted in the 14: 5 lapsed for an unpaid fee · 2 surrendered on reissue. 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

Every application published under this name has become a patent.