The Patent Finder
US

System and Method for Managing Deduplicated Copies of Data Using Temporal Relationships Among Copies

US 8,843,489 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Also listed on Actifio, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Lapsed Sep 23, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Google LLC
Filed Nov 16, 2010 as application 12/947,375 · Granted Sep 23, 2014
Base term, 20 years from filing
Today
Lapsed Sep 23, 2026
2010 2030
Clock starts
Nov 16, 2010
No longer in force
Sep 23, 2026
Granted
Sep 23, 2014
Term would have run to
Nov 16, 2030
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,396,905, to Nov 16, 2030. 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.
15
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 16, 2030: its 20-year base term, with no 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 Nov 16, 2010, when this application, 12/947,375, was filedNov 16, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,396,905)resolves to Nov 16, 2030, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Sep 23, 2026High confidence
Computed term endThe steps above, in orderSep 23, 2026High confidence

This family

US 8,788,769Lapsed on the fee record
Jul 2018
Jul 2018
US 9,858,155In force
Nov 2030
Nov 2030
US 8,417,674Lapsed on the fee record
Apr 2025
Apr 2025
US 8,299,944In force
Nov 2030
Nov 2030
US 8,843,489this patent
Sep 2026
Sep 2026
US 8,396,905Lapsed on the fee record
Mar 2025
Mar 2025
US 8,402,004Lapsed on the fee record
Mar 2025
Mar 2025
US 8,904,126In force
Apr 2031
Apr 2031
8 of 15 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
Jan 11, 2011
Reel 25620, frame 468
Provenzano, Christopher A.Actifio, Inc.Assignment of Assignor's Interest
Jul 14, 2015
Reel 36106, frame 4
Actifio, Inc.Hercules Technology Growth Capital, Inc., as AgentSecurity Interest
Jul 16, 2015
Reel 36113, frame 970
Actifio, Inc.Silicon Valley BankSecurity Agreement
May 5, 2017
Reel 42415, frame 317
Silicon Valley BankActifio, Inc.Release of Security Interest
May 5, 2017
Reel 42415, frame 395
Hercules Capital, Inc. (Formerly Known as Hercules Technology Growth Capital, Inc.)Actifio, Inc.Release of Security Interest
Aug 3, 2018
Reel 46702, frame 543
Actifio, Inc.Crestline Direct Finance, L.P., as Administrative Agent, Collateral Agent and Sole Lead ArrangerSecurity Interest
May 29, 2020
Reel 53483, frame 84
Crestline Direct Finance, L.P., as Collateral AgentActifio, Inc.Release of Security Interest
Mar 26, 2021
Reel 56911, frame 517
Actifio, Inc.Google 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited