The Patent Finder
US

Virtualization Bridge Device

US 7,979,592 In force
OverviewAssignmentsSources & methods

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

Term ends Mar 27, 2028 · High confidence

Filed Feb 9, 2008 as application 12/028,801 · Granted Jul 12, 2011
Base term plus 47 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2028
Clock starts
Feb 9, 2008
Term ends
Mar 27, 2028
Granted
Jul 12, 2011
base term patent term adjustment 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
47
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.

This patent's term runs 47 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 9, 2008, when this application, 12/028,801, was filedFeb 9, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+47 days, USPTO patent term adjustment recordMar 27, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 27, 2028High confidence

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
May 29, 2008
Reel 21016, frame 991
Pettey, Christopher J.; Glaser, Stephen; Khan, Asif; Nalley, Jon; Rousset, Stephen; Saeger, Tom; Utley, Robert HaskellNextio Inc.Assignment of Assignor's Interest
May 25, 2010
Reel 24434, frame 248
Nextio Inc.Emulex Design and Manufacturing CorporationAssignment of Assignor's Interest
Jan 17, 2014
Reel 32087, frame 842
Emulex Design and Manufacturing CorporationEmulex CorporationAssignment of Assignor's Interest
Oct 23, 2015
Reel 36942, frame 213
Emulex CorporationAvago Technologies General IP (Singapore) Pte. Ltd.Assignment of Assignor's Interest
Feb 11, 2016
Reel 37808, frame 1
Avago Technologies General IP (Singapore) Pte. Ltd.Bank of America, N.A., as Collateral AgentPatent Security Agreement
Feb 3, 2017
Reel 41710, frame 1
Bank of America, N.A., as Collateral AgentAvago Technologies General IP (Singapore) Pte. Ltd.Termination and Release of Security Interest in Patents
Oct 5, 2018
Reel 47422, frame 464
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedMerger
Mar 6, 2019
Reel 48883, frame 702
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Execution Date Previously Recorded at Reel: 047422 Frame: 0464. Assignor(S) Hereby Confirms the Merger.

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