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System and Method for Efficient Backup Using Hashes

US 8,484,427 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 19, 2019 (Midcap Financial Trust).

Term ends Jun 4, 2027 · Medium confidence

Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 7,886,120), so the cap could be lower.

Filed Feb 7, 2011 as application 13/021,818 · Granted Jul 9, 2013
Base term plus 255 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2007 2027
Clock starts
Jun 4, 2007
Term ends
Jun 4, 2027
Granted
Jul 9, 2013
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
255
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,636,824, US 7,886,120.
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.
4
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 255 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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 Jun 4, 2007, when application 11/757,442, the earliest non-provisional in its chain, was filed (this one was filed Feb 7, 2011)Jun 4, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+255 days, USPTO patent term adjustment recordFeb 14, 2028High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,636,824, US 7,886,120)capped to Jun 4, 2027Medium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 4, 2027Medium confidence

This family

US 7,636,824In force
Mar 2028
Mar 2028
US 7,886,120In force
no later than Jun 2027
no later than Jun 2027
US 8,484,427this patent
Jun 2027
Jun 2027
US 8,996,830In force
Jun 2027
Jun 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
Feb 7, 2011
Reel 25750, frame 605
Lyadvinsky, Maxim V.; Beloussov, Serguei M.; Goldobin, Maxim V.; Tormasov, Alexander G.; Per, Yuri S.Acronis Inc.Assignment of Assignor's Interest
Jun 20, 2011
Reel 26465, frame 559
Acronis Inc.Silicon Valley BankSecurity Agreement
Mar 21, 2012
Reel 27898, frame 764
Acronis Inc.Acronis Inc. Ltd.Assignment of Assignor's Interest
Mar 21, 2012
Reel 27898, frame 795
Acronis Inc. Ltd.Acronis International GmbHAssignment of Assignor's Interest
Apr 20, 2012
Reel 28081, frame 61
Acronis International GmbHSilicon Valley Bank, As Administrative AgentSecurity Agreement
Feb 25, 2014
reel/frame not recorded
Silicon Valley Bank, As Administrative AgentAcronis Inc.Release of Security Interest
Feb 25, 2014
reel/frame not recorded
Silicon Valley Bank, As Administrative AgentAcronis, Inc.Release of Security Interest
Feb 25, 2014
reel/frame not recorded
Silicon Valley Bank, As Administrative AgentAcronis International GmbHRelease of Security Interest
Feb 25, 2014
Reel 32296, frame 397
Silicon Valley Bank, As Administrative AgentAcronis Inc.; Acronis, Inc.; Acronis International GmbHRelease of Security Interest
Feb 27, 2014
Reel 32366, frame 328
Acronis International GmbHObsidian Agency Services, Inc.Patent Security Agreement
Oct 21, 2019
reel/frame not recorded
Obsidian Agency Services, Inc.Acronis International GmbHRelease of Security Interest
Oct 21, 2019
reel/frame not recorded
Obsidian Agency Services, Inc.Grouplogic, Inc.Release of Security Interest
Oct 21, 2019
Reel 50783, frame 893
Obsidian Agency Services, Inc.Acronis International GmbH; Grouplogic, Inc.Release of Security Interest
Dec 19, 2019
Reel 51418, frame 119
Acronis International GmbHMidcap Financial TrustSecurity Interest
Aug 28, 2022
Reel 61330, frame 818
Acronis AG; Acronis International GmbH; Acronis SCS, Inc.; Acronis, Inc.; Grouplogic, Inc.; Nscaled Inc.; Acronis Management LLC; 5NINE Software, Inc.; Acronis Germany GmbH; Acronis Netherlands B.V.; Acronis Bulgaria Eood; Devicelock, Inc.; Devlockcorp Ltd.; Acronis Inc.Midcap Financial TrustReaffirmation Agreement

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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