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P-Type Doping Layers for Use with Light Emitting Devices

US 9,490,392 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 29, 2031 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Oct 20, 2015 as application 14/887,582 · Granted Nov 8, 2016
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Sep 29, 2011
Term ends
Sep 29, 2031
Granted
Nov 8, 2016
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
6
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. 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 Sep 29, 2011, when application 13/248,821, the earliest non-provisional in its chain, was filed (this one was filed Oct 20, 2015); a parent in its chain could not be resolved (the next row)Sep 29, 2031High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 29, 2031Medium confidence

This family

US 8,698,163In force
Sep 2031
Sep 2031
Application PCT/US2012/057661PCT application
no patent term
no patent term
US 8,828,752In force
Sep 2031
Sep 2031
US 9,178,114In force
Sep 2031
Sep 2031
Application 14/330,954Abandoned
not computed
not computed
US 9,490,392this patent
Sep 2031
Sep 2031
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
Feb 5, 2016
Reel 37676, frame 446
Ting, SteveBridgelux, Inc.Assignment of Assignor's Interest
Feb 5, 2016
Reel 37676, frame 657
Bridgelux, Inc.Toshiba Techno Center Inc.Assignment of Assignor's Interest
Feb 5, 2016
Reel 37676, frame 851
Toshiba Techno Center Inc.Manutius IP, Inc.Assignment of Assignor's Interest
Apr 20, 2016
Reel 38334, frame 444
Manutius IP, Inc.Toshiba CorporationAssignment of Assignor's Interest
Jul 25, 2018
Reel 46450, frame 700
Toshiba CorporationToshiba Electronic Devices & Storage CorporationAssignment of Assignor's Interest
Aug 30, 2018
Reel 46986, frame 159
Toshiba Electronic Devices & Storage CorporationSamsung Electronics Co., Ltd.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.

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