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Direct Formation of Graphene on Semiconductor Substrates

US 8,884,310 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 22, 2032 · High confidence

Filed Oct 16, 2012 as application 13/652,665 · Granted Nov 11, 2014
Base term plus 37 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2012 2032
Clock starts
Oct 16, 2012
Term ends
Nov 22, 2032
Granted
Nov 11, 2014
base term patent term adjustment 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
37
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
5
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 37 days past its 20-year base term on 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 Oct 16, 2012, when this application, 13/652,665, was filedOct 16, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+37 days, USPTO patent term adjustment recordNov 22, 2032High 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 orderNov 22, 2032High confidence

This family

US 8,884,310this patent
Nov 2032
Nov 2032
US 9,029,228In force
Oct 2032
Oct 2032
US 9,343,533In force
no later than Oct 2032
no later than Oct 2032
US 9,355,842In force
no later than Oct 2032
no later than Oct 2032
Application 15/132,666Abandoned
not computed
not computed
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 31, 2012
Reel 29215, frame 351
Seacrist, Michael R.Memc Electronic Materials, Inc.Assignment of Assignor's Interest
Jan 30, 2014
Reel 32177, frame 359
SunEdison, Inc.; Solaicx; Sun Edison, LLC; NVT, LLCDeutsche Bank AG New York BranchSecurity Agreement
Mar 3, 2014
Reel 32382, frame 724
Deutsche Bank AG New York BranchNVT, LLC; Sun Edison LLC; Solaicx; SunEdison, Inc.Release of Security Interest
Mar 3, 2014
reel/frame not recorded
Deutsche Bank AG New York BranchNVT, LLCRelease of Security Interest
Mar 3, 2014
reel/frame not recorded
Deutsche Bank AG New York BranchSun Edison LLCRelease of Security Interest
Mar 3, 2014
reel/frame not recorded
Deutsche Bank AG New York BranchSolaicxRelease of Security Interest
Mar 3, 2014
reel/frame not recorded
Deutsche Bank AG New York BranchSunEdison, Inc.Release of Security Interest
May 27, 2014
Reel 33023, frame 430
Memc Electronic Materials, Inc.SunEdison Semiconductor Limited (UEN201334164H)Assignment of Assignor's Interest
Jun 6, 2014
Reel 33099, frame 1
SunEdison Semiconductor LimitedSunEdison Semiconductor Technology Pte. Ltd.Notice of License Agreement
Jun 7, 2018
Reel 46327, frame 1
SunEdison Semiconductor Limited; Memc Japan Limited; Memc Electronic Materials S.P.A.GlobalWafers 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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