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Use of Geo-Location Data for Spam Detection

US 8,001,598 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 16, 2023 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by CA, Inc.
Filed Feb 4, 2008 as application 12/025,634 · Granted Aug 16, 2011
Base term, 20 years from filing, plus 403 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 16, 2023
2003 2026
Clock starts
Apr 25, 2003
No longer in force
Aug 16, 2023
Granted
Aug 16, 2011
Term would have run to
Jun 1, 2024
base term patent term adjustment after the term ends 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
403
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,366,919, US 7,640,590, to Jun 1, 2024. 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.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jun 1, 2024: its 20-year base term plus 403 days of term 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. 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 Apr 25, 2003, when application 10/424,532, the earliest non-provisional in its chain, was filed (this one was filed Feb 4, 2008)Apr 25, 2023High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+403 days, USPTO patent term adjustment recordJun 1, 2024High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,366,919, US 7,640,590)resolves to Jun 1, 2024, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Aug 16, 2023High confidence
Computed term endThe steps above, in orderAug 16, 2023High confidence

This family

US 7,366,919Term ended
May 2025
May 2025
US 7,640,590Lapsed on the fee record
Dec 2021
Dec 2021
US 7,739,494In force
Nov 2026
Nov 2026
US 8,001,598this patent
Aug 2023
Aug 2023
US 8,359,649Term ended
Apr 2023
Apr 2023
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
Nov 21, 2019
Reel 51144, frame 918
Symantec CorporationCA, Inc.Assignment of Assignor's Interest
Feb 26, 2021
Reel 55422, frame 865
Sobel, William E.; McCorkendale, BruceSymantec CorporationAssignment 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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