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Multiple-Wavelength Opto-Electronic Device Including a Superlattice

US 7,880,161 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 16, 2029 · High confidence

Filed Feb 16, 2007 as application 11/675,833 · Granted Feb 1, 2011
Base term plus 973 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2029
Clock starts
Feb 16, 2007
Term ends
Oct 16, 2029
Granted
Feb 1, 2011
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
973
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.
2
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 973 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 Feb 16, 2007, when this application, 11/675,833, was filedFeb 16, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+973 days, USPTO patent term adjustment recordOct 16, 2029High 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 orderOct 16, 2029High confidence

This family

US 7,880,161this patent
Oct 2029
Oct 2029
US 8,389,974Lapsed on the fee record
Mar 2025
Mar 2025
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
May 14, 2007
Reel 19288, frame 668
Mears, Robert J.; Stephenson, Robert John; Hytha, Marek; Dukovski, Ilija; Yiptong, Jean Augustin Chan Sow Fook; Halilov, Samed; Huang, XiangyangMears Technologies, Inc.Assignment of Assignor's Interest
Sep 12, 2007
Reel 19817, frame 236
RJ Mears, LLCMears Technologies, Inc.Change of Name
Mar 17, 2015
Reel 35216, frame 473
Mears Technologies, Inc.Liquid Venture Partners, LLCSecurity Interest
Apr 11, 2016
Reel 38400, frame 349
Mears Technologies, Inc.Atomera IncorporatedChange of Name
Sep 3, 2020
Reel 53681, frame 942
Clifford, RobertAtomera IncorporatedRelease of Security 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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