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US 8,154,473 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Mar 13, 2026 · High confidence

Filed Mar 5, 2007 as application 10/557,157 · Granted Apr 10, 2012
Base term plus 665 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Mar 13, 2026
2004 2026
Clock starts
May 17, 2004
Term ended
Mar 13, 2026
Granted
Apr 10, 2012
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
665
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
51
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 665 days past its 20-year base term on prosecution delay. 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 May 17, 2004, when application PCT/NZ2004/000092, the earliest non-provisional in its chain, was filed (this one was filed Mar 5, 2007)May 17, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+665 days, USPTO patent term adjustment recordMar 13, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderMar 13, 2026High confidence

This family

US 8,149,353Term ended
Aug 2025
Aug 2025
US 8,154,473this patent
Mar 2026
Mar 2026
US 8,687,149Term ended
Oct 2022
Oct 2022
US 9,292,150Term ended
Aug 2025
Aug 2025
US 9,721,378Term ended
Oct 2022
Oct 2022
US 9,519,154In force
Aug 2034
Aug 2034
Application PCT/US2015/017859PCT application
no patent term
no patent term
US 9,922,445Term ended
Oct 2022
Oct 2022
8 of 51 applications in this family shown, earliest filings first. 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
Mar 5, 2007
Reel 19001, frame 419
Engel, Gabriel Damon; Ferguson, David John; Macleod, Hamish John Ogilvie; Seymour, Bruce DavidPure Depth LimitedAssignment of Assignor's Interest
Jul 12, 2007
Reel 19559, frame 924
Engel, Gabriel D.; Ferguson, David John; Macleod, Hamish John Ogilvie; Seymour, Bruce DavidPure Depth LimitedCorrective Assignment to Correct the Assignee's Address, Previously Recorded at Reel 019001 Frame 0419.
Jun 30, 2015
Reel 35997, frame 146
Puredepth LimitedK One W One LimitedSecurity Interest
Apr 5, 2022
Reel 59596, frame 413
Puredepth Limited (Also Referred to as Pure Depth Limited); Puredepth Inc. (Also Referred to as Pure Depth)Aptiv Technologies LimitedAssignment of Assignor's Interest
Feb 11, 2024
Reel 66551, frame 219
Aptiv Manufacturing Management Services S.À R.L.Aptiv Technologies AGAssignment of Assignor's Interest
Feb 11, 2024
Reel 66566, frame 173
Aptiv Technologies (2) S.À R.L.Aptiv Manufacturing Management Services S.À R.L.Merger
Feb 11, 2024
Reel 66746, frame 1
Aptiv Technologies LimitedAptiv Technologies (2) S.À R.L.Entity Conversion

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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