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US 8,412,742 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 2, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jul 16, 2011 as application 13/135,866 · Granted Apr 2, 2013
Base term, 20 years from filing
Today
Lapsed Apr 2, 2025
2008 2028
Clock starts
Jul 11, 2008
No longer in force
Apr 2, 2025
Granted
Apr 2, 2013
Term would have run to
Jul 11, 2028
base term after the term ends 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.
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.
18
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jul 11, 2028: its 20-year base term, with no adjustment for prosecution delay. 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 Jul 11, 2008, when application 12/218,085, the earliest non-provisional in its chain, was filed (this one was filed Jul 16, 2011)Jul 11, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh 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 paidlapsed Apr 2, 2025High confidence
Computed term endThe steps above, in orderApr 2, 2025High confidence

This family

US 8,214,404Lapsed on the fee record
Jul 2020
Jul 2020
US 9,323,681Lapsed on the fee record
Apr 2024
Apr 2024
Application PCT/US2009/003264PCT application
no patent term
no patent term
Application PCT/US2009/004947PCT application
no patent term
no patent term
US 9,342,528In force
Jul 2031
Jul 2031
US 8,412,742this patent
Apr 2025
Apr 2025
US 9,170,953In force
Sep 2028
Sep 2028
US 8,655,931Lapsed on the fee record
Feb 2026
Feb 2026
8 of 18 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
Mar 7, 2018
Reel 45136, frame 118
Kazar, Michael L.Arriad, Inc.Assignment of Assignor's Interest
Mar 7, 2018
Reel 45520, frame 16
Arriad, Inc.Avere Systems, Inc.Change of Name
Jul 31, 2020
Reel 53373, frame 574
Avere Systems, Inc.Microsoft Technology Licensing, LLCAssignment 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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