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US 7,899,871 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Mar 1, 2019 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Aug 14, 2007 as application 11/838,738 · Granted Mar 1, 2011
Base term, 20 years from filing, plus 868 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 1, 2019
2006 2028
Clock starts
Jul 13, 2006
No longer in force
Mar 1, 2019
Granted
Mar 1, 2011
Term would have run to
Nov 27, 2028
base term patent term adjustment after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
868
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.

Its term would have run to Nov 27, 2028: its 20-year base term plus 868 days of term 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 13, 2006, when application 11/457,317, the earliest non-provisional in its chain, was filed (this one was filed Aug 14, 2007)Jul 13, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+868 days, USPTO patent term adjustment recordNov 27, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Mar 1, 2019High confidence
Computed term endThe steps above, in orderMar 1, 2019High confidence

This family

US 7,593,995In force
Jan 2028
Jan 2028
US 8,032,598In force
Jun 2027
Jun 2027
US 7,743,051Lapsed on the fee record
Jun 2022
Jun 2022
US 7,899,871this patent
Mar 2019
Mar 2019
US 8,392,409In force
Aug 2028
Aug 2028
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 22, 2007
Reel 19996, frame 219
Kumar, Mohan; Rangan, VenkatClearwell Systems, Inc.Assignment of Assignor's Interest
Mar 7, 2014
Reel 32381, frame 682
Clearwell Systems Inc.Symantec CorporationAssignment of Assignor's Interest
Feb 4, 2016
Reel 37697, frame 412
Symantec CorporationVeritas US IP Holdings LLCAssignment of Assignor's Interest
Feb 23, 2016
Reel 37891, frame 1
Veritas US IP Holdings LLCBank of America, N.A., as Collateral AgentSecurity Interest
Feb 23, 2016
Reel 37891, frame 726
Veritas US IP Holdings LLCWilmington Trust, National Association, as Collateral AgentSecurity Interest
Apr 18, 2016
Reel 38455, frame 752
Veritas US IP Holdings LLC; Veritas Technologies LLCVeritas Technologies LLCMerger and Change of Name
Nov 30, 2020
Reel 54535, frame 814
Wilmington Trust, National Association, as Collateral AgentVeritas US IP Holdings, LLCTermination and Release of Security in Patents at R/F 037891/0726
Nov 25, 2024
Reel 69440, frame 84
Bank of America, N.A., as AssignorAcquiom Agency Services LLC, as AssigneeAssignment of Security Interest in Patent Collateral
Dec 16, 2024
Reel 69712, frame 90
Acquiom Agency Services LLC, as Collateral AgentVeritas Technologies LLC (F/K/A Veritas US IP Holdings LLC)Release 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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