The Patent Finder
US

Methods, Systems and Computer Program Products for Providing an Emergency Vehicle Alert

US 8,159,368 Term ended
OverviewFamilyAssignmentsSources & methods

Also listed on Kia Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Term ended Nov 8, 2026 · High confidence

Filed Oct 27, 2009 as application 12/606,684 · Granted Apr 17, 2012
Base term, 20 years from filing
Today
20 years from filing
Term ended Nov 8, 2026
2006 2026
Clock starts
Nov 8, 2006
Term ended
Nov 8, 2026
Granted
Apr 17, 2012
base term 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,629,898, to Nov 8, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
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. All three maintenance fees were paid, so no fee lapse ended it. 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 Nov 8, 2006, when application 11/557,818, the earliest non-provisional in its chain, was filed (this one was filed Oct 27, 2009)Nov 8, 2026High 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 7,629,898)resolves to Nov 8, 2026, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 8, 2026High confidence

This family

US 7,629,898In force
Jan 2028
Jan 2028
US 8,159,368this patent
Nov 2026
Nov 2026
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 27, 2009
Reel 23430, frame 674
Kirkpatrick, MarkBellSouth Intellectual Property CorporationAssignment of Assignor's Interest
Oct 27, 2022
Reel 61790, frame 538
BellSouth Intellectual Property CorporationAT&T Intellectual Property, Inc.Change of Name
Oct 27, 2022
Reel 61790, frame 706
AT&T Intellectual Property, Inc.AT&T BLS Intellectual Property, Inc.Change of Name
Oct 27, 2022
Reel 61791, frame 86
AT&T BLS Intellectual Property, Inc.AT&T Delaware Intellectual Property, Inc.Change of Name
Nov 3, 2022
Reel 61647, frame 384
AT&T Delaware Intellectual Property, Inc.AT&T Intellectual Property I, L.P.Assignment of Assignor's Interest
Jan 13, 2023
Reel 62371, frame 377
AT&T Intellectual Property I, L.P.Hyundai Motor Company; Kia CorporationAssignment of Assignor's Interest
Jan 13, 2023
reel/frame not recorded
AT&T Intellectual Property I, L.P.Hyundai Motor CompanyAssignment of Assignor's Interest
Jan 13, 2023
reel/frame not recorded
AT&T Intellectual Property I, L.P.Kia 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited