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US

System and Method for Managing Code Isolation

US 9,582,302 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Sep 30, 2022 (Wilmington Trust, National Association).

Term ends no later than Jun 30, 2031 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Mar 7, 2013 as application 13/788,259 · Granted Feb 28, 2017
Base term plus 847 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2031
Clock starts
Mar 5, 2009
Ends no later than
Jun 30, 2031
Granted
Feb 28, 2017
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
847
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
2
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 847 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. 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 Mar 5, 2009, when application 12/381,065, the earliest non-provisional in its chain, was filed (this one was filed Mar 7, 2013)Mar 5, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+847 days, USPTO patent term adjustment recordJun 30, 2031High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jun 30, 2031Medium confidence

This family

US 8,407,699In force
Jan 2032
Jan 2032
US 9,582,302this patent
no later than Jun 2031
no later than Jun 2031
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 13, 2017
Reel 40966, frame 542
Larkin, Michael; Yarbrough, James; Sethi, YashabhRingcube Technologies, Inc.Assignment of Assignor's Interest
Jan 13, 2017
Reel 40966, frame 548
Ringcube Technologies, Inc.Citrix Systems, Inc.Nunc Pro Tunc Assignment
Sep 30, 2022
Reel 62079, frame 1
Citrix Systems, Inc.Wilmington Trust, National AssociationSecurity Interest
Oct 7, 2022
Reel 62112, frame 262
Tibco Software Inc.; Citrix Systems, Inc.Bank of America, N.A., as Collateral AgentPatent Security Agreement
Oct 7, 2022
Reel 62113, frame 1
Tibco Software Inc.; Citrix Systems, Inc.Goldman Sachs Bank USA, as Collateral AgentSecond Lien Patent Security Agreement
Oct 7, 2022
Reel 62113, frame 470
Tibco Software Inc.; Citrix Systems, Inc.Wilmington Trust, National Association, as Notes Collateral AgentPatent Security Agreement
Apr 14, 2023
Reel 63339, frame 525
Goldman Sachs Bank USA, as Collateral AgentCitrix Systems, Inc.; Cloud Software Group, Inc. (F/K/A Tibco Software Inc.)Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
Apr 14, 2023
Reel 63340, frame 164
Cloud Software Group, Inc. (F/K/A Tibco Software Inc.); Citrix Systems, Inc.Wilmington Trust, National Association, as Notes Collateral AgentPatent Security Agreement
Apr 14, 2023
reel/frame not recorded
Goldman Sachs Bank USA, as Collateral AgentCitrix Systems, Inc.Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
Apr 14, 2023
reel/frame not recorded
Goldman Sachs Bank USA, as Collateral AgentCloud Software Group, Inc. (F/K/A Tibco Software Inc.)Release and Reassignment of Security Interest in Patent (Reel/Frame 062113/0001)
May 24, 2024
Reel 67662, frame 568
Cloud Software Group, Inc. (F/K/A Tibco Software Inc.); Citrix Systems, Inc.Wilmington Trust, National Association, as Notes Collateral AgentSecurity Interest
Aug 15, 2025
Reel 72488, frame 172
Cloud Software Group, Inc.; Citrix Systems, Inc.Wilmington Trust, National Association, as Notes Collateral AgentPatent Security 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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