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Illumination Devices Including Multiple Light Emitting Elements

US 8,602,586 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 8, 2031 · High confidence

Filed Sep 12, 2012 as application 13/611,871 · Granted Dec 10, 2013
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Aug 8, 2011
Term ends
Aug 8, 2031
Granted
Dec 10, 2013
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.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
15
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. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. 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 Aug 8, 2011, when application 13/205,548, the earliest non-provisional in its chain, was filed (this one was filed Sep 12, 2012)Aug 8, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 8, 2031High confidence

This family

US 8,573,823In force
Oct 2031
Oct 2031
US 9,028,120In force
Jan 2032
Jan 2032
Application PCT/US2012/050046PCT application
no patent term
no patent term
US 8,506,112In force
Aug 2031
Aug 2031
US 8,602,586this patent
Aug 2031
Aug 2031
US 9,081,125In force
Dec 2031
Dec 2031
US 8,833,969In force
Aug 2031
Aug 2031
US 8,899,808In force
Aug 2031
Aug 2031
8 of 15 applications in this family shown, earliest filings first. 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
Oct 4, 2012
Reel 29077, frame 185
Dau, Wilson; Gardner, Robert C.; Lerman, George; Lerman, Louis; Lowery, Christopher H.; Ogonowsky, Brian D.; Smith, George E.; Speier, Ingo; Steele, Robert V.; Teng, Jacqueline; York, Allan BrentQuarkstar LLCAssignment 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.

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