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Methods of Forming Layers of Semiconductor Material Having Reduced Lattice Strain, Semiconductor Structures, Devices and Engineered Substrates Including Same

US 8,278,193 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 5, 2030 · High confidence

Held by Soitec
Filed Oct 8, 2009 as application 12/576,116 · Granted Oct 2, 2012
Base term plus 148 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2030
Clock starts
Oct 8, 2009
Term ends
Mar 5, 2030
Granted
Oct 2, 2012
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
148
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.
3
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 148 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 8, 2009, when this application, 12/576,116, was filedOct 8, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+148 days, USPTO patent term adjustment recordMar 5, 2030High 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 orderMar 5, 2030High confidence

This family

US 8,278,193this patent
Mar 2030
Mar 2030
US 9,368,344In force
Oct 2029
Oct 2029
2 of 3 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 27, 2009
Reel 23431, frame 370
Arena, ChantelS.O.I.Tec Silicon on Insulator Technologies, S.A.Assignment of Assignor's Interest
Mar 14, 2010
Reel 24076, frame 389
Arena, ChantalS.O.I.Tec Silicon on Insulator Technologies, S.A.Corrective Assignment to Correct the the Inventors First Name Is Misspelled on the Notice of Recordation of Assignment Previously Recorded on Reel 023431 Frame 0370. Assignor(S) Hereby Confirms the Assignment to S.o.i.tec Silicon on Insulator Technologies, S.A. Dated 9/25/2009.
Feb 28, 2012
Reel 28138, frame 895
S.O.I. Tec Silicon on Insulator Technologies; Chemin des Franques; Parc Technologies des Fontaines; Bernin. France 38190SoitecChange of Name

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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