Lapsed Jul 22, 2026 on the fee record · Low confidence

Computed 20-year base term

Third maintenance fee unpaid; grace period ended. The USPTO has not yet posted the lapse.

Held by Led-IP Management, LLC

Filed Jun 17, 2013 as application 13/919,327 · Granted Jul 22, 2014

Base term, 20 years from filing

Today

Lapsed Jul 22, 2026

2010 2030

Clock starts
Sep 7, 2010

No longer in force
Jul 22, 2026

Granted
Jul 22, 2014

Term would have run to
Sep 7, 2030

base term after the term ends fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

None

Term adjustment

No prosecution delay on this record.

No effect

Terminal disclaimer

Resolved from the filed document, referencing US 8,465,178, to Sep 7, 2030. The term already ends on or before that date, so the cap shortened nothing.

2 of 3

Maintenance fees paid

Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.

Family applications on record here

Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Sep 7, 2030: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. Confidence: Low. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.

Step	Input	Date after this step	Confidence
Base term, 20 years from filing	Clock starts Sep 7, 2010, when application 12/876,817, the earliest non-provisional in its chain, was filed (this one was filed Jun 17, 2013)	Sep 7, 2030	High confidence
Continuity chain	Every parent in the chain resolved	no change	High confidence
Patent term adjustment	None on file	no change	High confidence
Terminal disclaimer cap	Disclaimer resolved from the filed document (refs US 8,465,178)	resolves to Sep 7, 2030, no earlier than this term, so no change	High confidence
Patent term extension	None on file	no change	High confidence
Fee events	The fee record shows no payment for this window, and USPTO's status still reads "Patented Case"	lapsed Jul 22, 2026	Medium confidence
Further caveats on record	The record rates this date lower than the steps above account for	Low confidence overall	Low confidence
Computed term end	The steps above, in order	Jul 22, 2026	Low confidence

This family

US 8,465,178	In force Jan 2031	Jan 2031
US D672,908	In force Dec 2026	Dec 2026
US D667,586	Term ended Sep 2026	Sep 2026
US D667,587	Term ended Sep 2026	Sep 2026
Application PCT/US2011/050536	PCT application no patent term	no patent term
US 8,783,913	this patent Jul 2026	Jul 2026
US 9,488,362	In force Sep 2030	Sep 2030

The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.

Recorded	Assignor	Assignee	Conveyance
Feb 4, 2014 Reel 32131, frame 28	Wilcox, Kurt S.; Guillien, Wayne; Tsao, Frank	Ruud Lighting, Inc.	Assignment of Assignor's Interest
Feb 5, 2014 Reel 32145, frame 91	Ruud Lighting, Inc.	Cree, Inc.	Merger
Jul 26, 2019 Reel 49880, frame 524	Cree, Inc.	Ideal Industries Lighting LLC	Assignment of Assignor's Interest
Sep 13, 2023 Reel 64897, frame 413	Ideal Industries Lighting LLC	FGI Worldwide LLC	Security Interest
May 16, 2026 Reel 76279, frame 340	Clna Holdings, LLC; Cree Lighting USA LLC; Cree Lighting Canada Corp.; E-Conolight LLC	Lumen Acquisition Holdings, LLC	Assignment of Assignor's Interest
May 22, 2026 Reel 75624, frame 358	Lumen Acquisition Holdings, LLC	Led-IP Management, LLC	Assignment of Assignor's Interest

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

Terminal disclaimer

A terminal disclaimer resolved from the filed document, referencing US 8,465,178, ends no earlier than this term, so it caps nothing.

Citations

later US patents cite this one

That is below the median of utility patents granted in 2014 in our data, the only group it is compared against. How we rank

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

LED Lighting Fixture