The Patent Finder
US

Flat Panel Lighting Device and Driving Circuitry

US 9,976,732 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 17, 2032 · Medium confidence

Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 9,335,036, US 9,423,113), so the cap could be lower.

Filed Dec 16, 2016 as application 15/381,974 · Granted May 22, 2018
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
May 17, 2012
Term ends
May 17, 2032
Granted
May 22, 2018
base term 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 9,335,036, US 9,423,113, US 9,441,801, to May 17, 2032. 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.
8
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 is 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. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 May 17, 2012, when application 13/473,929, the earliest non-provisional in its chain, was filed (this one was filed Dec 16, 2016)May 17, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,335,036, US 9,423,113, US 9,441,801)resolves to May 17, 2032, no earlier than this term, so no changeMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 17, 2032Medium confidence

This family

Application 13/473,929Abandoned
not computed
not computed
US 9,423,113Lapsed on the fee record
Aug 2024
Aug 2024
Application 14/554,919Abandoned
not computed
not computed
US 9,335,036Lapsed on the fee record
May 2024
May 2024
US 9,441,801In force
May 2032
May 2032
US 9,523,487Lapsed on the fee record
Dec 2024
Dec 2024
US 9,976,732this patent
May 2032
May 2032
US 10,364,974In force
May 2032
May 2032
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
Jun 8, 2017
Reel 42655, frame 129
Araki, John; Myers, J Richard; Wong, Arthur NPixi Lighting LLCAssignment of Assignor's Interest
Jun 8, 2017
Reel 42655, frame 299
Orangewood Legacy LLCPixi Lighting, Inc.Assignment of Assignor's Interest
Jun 8, 2017
Reel 42742, frame 590
Pixi Lighting LLCOrangewood Legacy LLCCertificate of Amendment
Dec 14, 2017
Reel 44402, frame 440
Pixi Lighting, Inc.Unity Opto Technology Co., Ltd.Assignment of Assignor's Interest
Mar 26, 2019
Reel 48701, frame 760
Unity Opto Technology Co., Ltd.Epistar CorporationSecurity Interest
May 29, 2020
Reel 52795, frame 406
Epistar CorporationUnity Opto Technology Co., Ltd.Release of Security Interest
Jun 1, 2020
Reel 52801, frame 253
Unity Opto Technology Co., Ltd.Feit Electric Company, Inc.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited