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US

Format-Preserving Cryptographic Systems

US 8,958,562 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 20, 2029 · High confidence

Filed Jan 16, 2007 as application 11/654,054 · Granted Feb 17, 2015
Base term plus 1963 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2007 2029
Clock starts
Jan 16, 2007
Term ends
Feb 20, 2029
Granted
Feb 17, 2015
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
1,963
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 7,864,952.
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.
5
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 1963 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: 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 Jan 16, 2007, when this application, 11/654,054, was filedJan 16, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1963 days, USPTO patent term adjustment recordJun 1, 2032High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,864,952)capped to Feb 20, 2029High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 20, 2029High confidence

This family

US 8,958,562this patent
Feb 2029
Feb 2029
Application PCT/US2008/051103PCT application
no patent term
no patent term
Application 14/094,366Abandoned
not computed
not computed
US 9,208,491In force
Feb 2027
Feb 2027
Application 14/992,405Abandoned
not computed
not computed
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 16, 2007
Reel 18807, frame 474
Spies, Terence; Pauker, Matthew J.Voltage Security, Inc.Assignment of Assignor's Interest
Mar 6, 2008
Reel 20643, frame 69
Voltage Security, Inc.Venture Lending & Leasing IV, Inc.Security Interest
Jul 1, 2009
Reel 22902, frame 722
Venture Lending & Leasing IV, Inc.Voltage Security, Inc.Release of Security Interest
Feb 7, 2014
Reel 32170, frame 273
Voltage Security, Inc.Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc.Security Agreement
Feb 7, 2014
reel/frame not recorded
Voltage Security, Inc.Venture Lending & Leasing VI, Inc.Security Agreement
Feb 7, 2014
reel/frame not recorded
Voltage Security, Inc.Venture Lending & Leasing VII, Inc.Security Agreement
Feb 27, 2015
Reel 35110, frame 726
Venture Lending & Leasing VI, Inc.; Venture Lending & Leasing VII, Inc.Voltage Security, Inc.Release of Security Interest
Oct 11, 2017
Reel 44183, frame 577
Entit Software LLC; Arcsight, LLCJpmorgan Chase Bank, N.a.Security Interest
Oct 11, 2017
Reel 44183, frame 718
Attachmate Corporation; Borland Software Corporation; Netiq Corporation; Micro Focus (US), Inc.; Micro Focus Software, Inc.; Entit Software LLC; Arcsight, LLC; Serena Software, Inc.Jpmorgan Chase Bank, N.a.Security Interest
Dec 17, 2018
Reel 51198, frame 611
Voltage Security, Inc.Voltage Security, LLCChange of Name
Dec 17, 2018
Reel 51199, frame 74
Voltage Security, LLC; Entit Software LLCEntit Software LLCMerger and Change of Name
Feb 2, 2023
Reel 62746, frame 399
Jpmorgan Chase Bank, N.a.Micro Focus LLC (F/K/A Entit Software LLC); Borland Software Corporation; Micro Focus (US), Inc.; Serena Software, Inc.; Attachmate Corporation; Micro Focus Software Inc. (F/K/A Novell, Inc.); Netiq CorporationRelease of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
Reel 63560, frame 1
Jpmorgan Chase Bank, N.a.Micro Focus LLC (F/K/A Entit Software LLC)Release of Security Interest Reel/Frame 044183/0577
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Micro Focus LLC (F/K/A Entit Software LLC)Release of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Borland Software CorporationRelease of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Micro Focus (US), Inc.Release of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Serena Software, Inc.Release of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Attachmate CorporationRelease of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Micro Focus Software Inc. (F/K/A Novell, Inc.)Release of Security Interest Reel/Frame 044183/0718
Feb 2, 2023
reel/frame not recorded
Jpmorgan Chase Bank, N.a.Netiq CorporationRelease of Security Interest Reel/Frame 044183/0718

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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