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Lighting Device and Lighting Method

US 8,878,429 Grace period ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Sep 13, 2023 (FGI Worldwide LLC).

Term ends Jan 6, 2027 · Low confidence

Grace period ended Nov 4, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected

Filed Jan 14, 2013 as application 13/740,911 · Granted Nov 4, 2014
Base term plus 17 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2027
Clock starts
Dec 20, 2006
Term ends
Jan 6, 2027
Granted
Nov 4, 2014
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
17
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 17 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Low: the grace period for its third maintenance fee ended Nov 4, 2026 with no payment on record. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Dec 20, 2006, when application 11/613,714, the earliest non-provisional in its chain, was filed (this one was filed Jan 14, 2013); a parent in its chain could not be resolved (the next row)Dec 20, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+17 days, USPTO patent term adjustment recordJan 6, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"; the grace period ended with no payment on record in the fee filegrace period ended Nov 4, 2026Low confidence
Computed term endThe steps above, in orderJan 6, 2027Low confidence

This family

US 7,768,192In force
Dec 2026
Dec 2026
Application 12/815,846Abandoned
not computed
not computed
US 8,878,429this patent
Jan 2027
Jan 2027
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.
RecordedAssignorAssigneeConveyance
Aug 1, 2019
Reel 49927, frame 473
Cree, Inc.Ideal Industries Lighting LLCAssignment of Assignor's Interest
Sep 13, 2023
Reel 64897, frame 413
Ideal Industries Lighting LLCFGI Worldwide LLCSecurity 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited