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US

Format Preserving Encryption Methods for Data Strings with Constraints

US 9,489,521 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 30, 2029 · High confidence

Filed Jan 16, 2015 as application 14/598,536 · Granted Nov 8, 2016
Base term, 20 years from filing
Today
20 years from filing
2009 2029
Clock starts
Oct 30, 2009
Term ends
Oct 30, 2029
Granted
Nov 8, 2016
base term 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 8,938,067, to Oct 30, 2029. 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.
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 is 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. 2 of 3 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 Oct 30, 2009, when application 12/610,221, the earliest non-provisional in its chain, was filed (this one was filed Jan 16, 2015)Oct 30, 2029High 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 8,938,067)resolves to Oct 30, 2029, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 30, 2029High confidence

This family

US 8,938,067In force
Sep 2032
Sep 2032
US 9,489,521this patent
Oct 2029
Oct 2029
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
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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