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Method and System for Providing High Availability to Distributed Computer Applications

US 9,424,143 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 27, 2027 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Jun 25, 2015 as application 14/749,760 · Granted Aug 23, 2016
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Apr 27, 2007
Term ends
Apr 27, 2027
Granted
Aug 23, 2016
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.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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. 2 of 2 maintenance fees are paid so far. Confidence: Medium. 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 Apr 27, 2007, when application 11/741,535, the earliest non-provisional in its chain, was filed (this one was filed Jun 25, 2015); a parent in its chain could not be resolved (the next row)Apr 27, 2027High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium 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 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 27, 2027Medium confidence

This family

US 7,681,075In force
Apr 2027
Apr 2027
Application PCT/US2007/067948PCT application
no patent term
no patent term
US 8,108,722In force
Apr 2027
Apr 2027
US 8,433,951Lapsed on the fee record
Apr 2025
Apr 2025
US 8,839,034Lapsed on the fee record
Sep 2026
Sep 2026
US 9,069,729In force
Apr 2027
Apr 2027
US 9,424,143this patent
Apr 2027
Apr 2027
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
Jun 25, 2015
Reel 35904, frame 634
Havemose, Allan; Ngan, Ching-yuk PaulAvailigent, Inc.Assignment of Assignor's Interest
Jun 25, 2015
Reel 35904, frame 674
Open Invention Network LLCRed Hat, Inc.Assignment of Assignor's Interest
Jun 25, 2015
Reel 36022, frame 533
Availigent, Inc.Open Invention Network 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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