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US 9,173,647 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 3, 2023 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by P Tech, LLC.
Filed Feb 21, 2006 as application 11/358,311 · Granted Nov 3, 2015
Base term, 20 years from filing, plus 196 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 3, 2023
2006 2026
Clock starts
Feb 21, 2006
No longer in force
Nov 3, 2023
Granted
Nov 3, 2015
Term would have run to
Sep 5, 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
196
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
30
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 Sep 5, 2026: its 20-year base term plus 196 days of term adjustment for prosecution delay. 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 Feb 21, 2006, when this application, 11/358,311, was filedFeb 21, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+196 days, USPTO patent term adjustment recordSep 5, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Nov 3, 2023High confidence
Computed term endThe steps above, in orderNov 3, 2023High confidence

This family

US 9,463,012Lapsed on the fee record
Oct 2024
Oct 2024
Application 11/258,795Abandoned
not computed
not computed
US 9,173,647this patent
Nov 2023
Nov 2023
Application 12/576,992Abandoned
not computed
not computed
US 10,813,764Term ended
Oct 2025
Oct 2025
Application PCT/US2010/052018PCT application
no patent term
no patent term
US 9,814,453Term ended
Oct 2025
Oct 2025
US 9,867,706Term ended
Oct 2025
Oct 2025
8 of 30 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
May 22, 2006
Reel 17655, frame 41
Bonutti, Peter M.; Phillips, Glen A.; Crainich, LawrenceMarctec, LLC.Assignment of Assignor's Interest
Jun 22, 2009
Reel 22859, frame 60
Marctec, LLCP Tech, LLC.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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