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US

Format-Preserving Encryption Via Rotating Block Encryption

US 8,948,376 In force
OverviewFamilyAssignmentsSources & methods

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

Term ends Jul 13, 2032 · High confidence

Held by CA, Inc.
Filed Jan 14, 2011 as application 13/007,075 · Granted Feb 3, 2015
Base term plus 546 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2032
Clock starts
Jan 14, 2011
Term ends
Jul 13, 2032
Granted
Feb 3, 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
546
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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 546 days past its 20-year base term on prosecution delay. 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 Jan 14, 2011, when this application, 13/007,075, was filedJan 14, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+546 days, USPTO patent term adjustment recordJul 13, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 13, 2032High confidence

This family

US 8,948,376this patent
Jul 2032
Jul 2032
Application PCT/US2011/035976PCT application
no patent term
no patent term
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
Apr 26, 2011
Reel 26181, frame 526
Hoover, Douglas NeilArcot Systems, Inc., a CA Technologies CompanyAssignment of Assignor's Interest
Apr 9, 2013
Reel 30177, frame 171
Computer Associates Think, Inc.CA, Inc.Merger
Apr 9, 2013
Reel 30177, frame 217
Arcot Systems, Inc.Computer Associates Think, Inc.Assignment of Assignor's Interest

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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