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Rolling Cache Configuration for a Data Replication System

US 8,271,830 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 13, 2021 (JPMorgan Chase Bank, N.A.).

Lapsed Sep 18, 2024 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Dec 18, 2009 as application 12/642,491 · Granted Sep 18, 2012
Base term, 20 years from filing, plus 262 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 18, 2024
2006 2027
Clock starts
Dec 18, 2006
No longer in force
Sep 18, 2024
Granted
Sep 18, 2012
Term would have run to
Sep 6, 2027
base term patent term adjustment 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
262
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,661,028, to Sep 6, 2027. The term already ends on or before that date, so the cap shortened nothing.
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.
11
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 Sep 6, 2027: its 20-year base term plus 262 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Dec 18, 2006, when application 11/640,831, the earliest non-provisional in its chain, was filed (this one was filed Dec 18, 2009)Dec 18, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+262 days, USPTO patent term adjustment recordSep 6, 2027High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,661,028)resolves to Sep 6, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Sep 18, 2024High confidence
Computed term endThe steps above, in orderSep 18, 2024High confidence

This family

US 7,661,028Lapsed on the fee record
Feb 2022
Feb 2022
US 8,271,830this patent
Sep 2024
Sep 2024
US 8,285,681In force
Jan 2031
Jan 2031
US 8,656,218Lapsed on the fee record
Feb 2026
Feb 2026
US 8,849,761Lapsed on the fee record
Sep 2026
Sep 2026
US 9,208,210Lapsed on the fee record
Dec 2023
Dec 2023
US 9,454,537In force
Mar 2030
Mar 2030
US 10,248,657In force
Mar 2030
Mar 2030
8 of 11 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
Jul 5, 2011
Reel 26542, frame 611
Erofeev, AndreiCommVault Systems, Inc.Assignment of Assignor's Interest
Jul 2, 2014
Reel 33266, frame 678
CommVault Systems, Inc.Bank of America, N.A., as Administrative AgentSecurity Interest
Jan 6, 2021
Reel 54913, frame 905
Bank Of America, N.a.CommVault Systems, Inc.Release of Security Interest
Dec 13, 2021
Reel 58496, frame 836
CommVault Systems, Inc.JPMorgan Chase Bank, N.A., as Administrative AgentSecurity 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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