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US

Trap Rich Layer for Semiconductor Devices

US 8,466,036 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Qualcomm Switch Corp., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Dec 7, 2031 · High confidence

Filed Dec 7, 2011 as application 13/313,231 · Granted Jun 18, 2013
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Dec 7, 2011
Term ends
Dec 7, 2031
Granted
Jun 18, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,481,405, US 8,536,021, to Dec 7, 2031. The term already ends on or before that date, so the cap shortened nothing.
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Dec 7, 2011, when this application, 13/313,231, was filedDec 7, 2031High 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 8,481,405, US 8,536,021)resolves to Dec 7, 2031, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 7, 2031High confidence

This family

US 8,466,036this patent
Dec 2031
Dec 2031
US 8,481,405In force
Dec 2031
Dec 2031
US 8,536,021In force
Dec 2031
Dec 2031
US 8,581,398In force
Dec 2031
Dec 2031
US 8,835,281In force
Dec 2031
Dec 2031
US 9,064,697In force
Dec 2031
Dec 2031
US 9,558,951In force
Jul 2032
Jul 2032
US 9,754,860In force
Dec 2031
Dec 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
Dec 9, 2011
Reel 27361, frame 345
Brindle, Chris; Stuber, Michael A.; Molin, Stuart B.Io Semiconductor, Inc.Assignment of Assignor's Interest
Feb 4, 2013
Reel 29751, frame 726
Io Semiconductor IncorporatedHSBC Bank Australia LimitedSecurity Agreement
Jun 11, 2014
Reel 33134, frame 338
Io Semiconductor, Inc.Silanna Semiconductor U.S.A., Inc.Change of Name
Jul 15, 2015
Reel 36109, frame 237
Io Semiconductor IncorporatedSilanna Semiconductor U.S.A., Inc.Corrective Assignment to Correct the Assignor Name Previously Recorded at Reel: 033134 Frame: 0338. Assignor(S) Hereby Confirms the Change of Name.
Jul 21, 2015
Reel 36148, frame 294
Brindle, Chris; Stuber, Michael A.; Molin, Stuart B.Io Semiconductor IncorporatedCorrective Assignment to Correct the Assignee Name Previously Recorded on Reel 027361 Frame 0345. Assignor(S) Hereby Confirms the Assignee Name Should Be "IO Semiconductor Incorporated".
Oct 7, 2015
Reel 36812, frame 429
HSBC Bank Australia Limited Abn 48 006 434 162Silanna Semiconductor U.S.A., Inc. (Formerly Known as Io Semiconductor)Termination and Release of Grant of Security Interest (PATENTS)
Oct 16, 2015
Reel 36877, frame 140
Silanna Semiconductor U.S.A., Inc.Qualcomm Switch Corp.Change of Name
Oct 20, 2015
Reel 36907, frame 785
HSBC Bank Australia Limited Abn 48 006 434 162Silanna Semiconductor U.S.A., Inc. (Formerly Known as Io Semiconductor)Corrective Assignment to Correct the Erroneous Patent Number 9029901 to the Correct Patent No. 9029201 as Previously Recorded on Reel 036812 Frame 0429. Assignor(S) Hereby Confirms the Termination and Release of Grant of Security Interest Against All Patents Set Forth Herein.
May 23, 2016
Reel 38794, frame 663
Qualcomm Switch Corp.Qualcomm IncorporatedAssignment 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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