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US

System and Method for Providing Preferential I/O Treatment to Devices That Host a Critical Virtual Machine

US 11,599,374 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 28, 2033 · High confidence

Filed Jul 1, 2019 as application 16/458,836 · Granted Mar 7, 2023
Base term plus 356 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2012 2033
Clock starts
Dec 19, 2012
Term ends
Jun 28, 2033
Granted
Mar 7, 2023
base term patent term adjustment 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
356
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 9,515,899.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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 356 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 maintenance fees are paid so far. 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 19, 2012, when application 13/720,566, the earliest non-provisional in its chain, was filed (this one was filed Jul 1, 2019)Dec 19, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+356 days, USPTO patent term adjustment recordDec 10, 2033High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,515,899)capped to Jun 28, 2033High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 28, 2033High confidence

This family

US 9,515,899In force
Jun 2033
Jun 2033
Application PCT/US2013/067806PCT application
no patent term
no patent term
US 10,338,950In force
Aug 2033
Aug 2033
US 11,599,374this patent
Jun 2033
Jun 2033
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
Mar 18, 2020
Reel 52189, frame 311
Veritas Technologies LLCBank of America, N.A., as Collateral AgentPatent Security Agreement Supplement
Apr 16, 2020
Reel 52426, frame 1
Veritas Technologies, LLCWilmington Trust, National Association, as Collateral AgentPatent Security Agreement Supplement
Aug 20, 2020
Reel 54370, frame 134
Veritas Technologies LLCWilmington Trust, National Association, as Notes Collateral AgentSecurity Interest
Nov 30, 2020
Reel 54535, frame 565
Wilmington Trust, National Association, as Collateral AgentVeritas Technologies LLCTermination and Release of Security Interest in Patents at R/F 052426/0001
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 9, 2024
Reel 69548, frame 468
Veritas Technologies LLCArctera US LLCAssignment of Assignor's Interest
Dec 10, 2024
Reel 69563, frame 243
Arctera US LLCBank of America, N.A., as Collateral AgentSecurity Interest
Dec 10, 2024
Reel 69585, frame 150
Arctera US LLCWilmington Trust, National Association, as Collateral AgentPatent Security Agreement
Dec 13, 2024
Reel 69634, frame 584
Wilmington Trust, National Association, as Notes Collateral AgentVeritas Technologies LLCRelease of Security Interest
Dec 16, 2024
Reel 69697, frame 238
Acquiom Agency Services LLC, as Collateral AgentVeritas Technologies LLCRelease of Security Interest
Dec 1, 2025
Reel 73833, frame 730
Bank of America, N.A., as Collateral AgentArctera US LLCTermination and Release of Patent Security Agreement at R/F 070530/0497
Dec 1, 2025
Reel 73833, frame 848
Wilmington Trust, National Association, as Collateral AgentArctera US LLCTermination and Release of Patent Security Agreement at R/F 069585/0150
Dec 12, 2025
Reel 73951, frame 470
Arctera US LLCCitibank, N.A., as Collateral AgentSecurity Interest
Feb 4, 2026
Reel 74876, frame 584
Veritas Technologies LLCArctera US LLCCorrective Assignment to Correct the Conveying Party Data and Correct the Patent Numbers Previously Recorded at Reel: 69548 Frame: 468. Assignor(S) Hereby Confirms the Assignment.
Aug 31, 2026
Reel 76336, frame 209
Citibank, N.A., as Collateral AgentArctera US LLCTermination and Release of Security Interest in Patent Rights Reel/Frame 073951/0470

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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