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US 8,473,023 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 25, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Nov 24, 2009 as application 12/625,470 · Granted Jun 25, 2013
Base term, 20 years from filing, plus 161 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 25, 2025
2005 2026
Clock starts
Sep 16, 2005
No longer in force
Jun 25, 2025
Granted
Jun 25, 2013
Term would have run to
Feb 24, 2026
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
161
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 7,623,899, to Feb 24, 2026. 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.
3
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 Feb 24, 2026: its 20-year base term plus 161 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 Sep 16, 2005, when application 11/228,633, the earliest non-provisional in its chain, was filed (this one was filed Nov 24, 2009)Sep 16, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+161 days, USPTO patent term adjustment recordFeb 24, 2026High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,623,899)resolves to Feb 24, 2026, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jun 25, 2025High confidence
Computed term endThe steps above, in orderJun 25, 2025High confidence

This family

US 7,623,899In force
Nov 2026
Nov 2026
Application PCT/US2006/036146PCT application
no patent term
no patent term
US 8,473,023this patent
Jun 2025
Jun 2025
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
Jul 24, 2012
Reel 28628, frame 283
Sharareh, ShivaBiosense Webster, 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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