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US 9,186,259 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 4, 2034 · High confidence

Filed Jan 25, 2014 as application 14/164,158 · Granted Nov 17, 2015
Base term plus 99 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Jan 25, 2014
Term ends
May 4, 2034
Granted
Nov 17, 2015
base term patent term adjustment 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
99
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 runs 99 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Jan 25, 2014, when this application, 14/164,158, was filedJan 25, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+99 days, USPTO patent term adjustment recordMay 4, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 4, 2034High confidence

This family

US 9,186,259this patent
May 2034
May 2034
Application 14/869,598Abandoned
not computed
not computed
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
Feb 16, 2014
Reel 32225, frame 625
To, John; Rao, Praveen GopalOuroboros Medical, Inc.Assignment of Assignor's Interest
Apr 26, 2016
Reel 38381, frame 811
Ouroboros Medical, Inc.Integrity Implants Inc.Assignment of Assignor's Interest
Dec 31, 2019
Reel 51393, frame 643
Integrity Implants, Inc.Heritage Bank of CommerceSecurity Interest
Jun 7, 2021
Reel 56500, frame 116
Heritage Bank of CommerceIntegrity Implants Inc.Release of Security Interest
Jun 18, 2021
Reel 57079, frame 965
Integrity Implants Inc.Eastward Fund Management, LLCSecurity Interest
Nov 10, 2023
Reel 65536, frame 632
Eastward Fund Management, LLCIntegrity Implants Inc.Release of Security Interest
Dec 21, 2023
Reel 66090, frame 832
Integrity Implants Inc.Symbiotic Capital Agency LLC, as Administrative AgentPatent Security Agreement
Aug 28, 2025
Reel 72709, frame 756
Symbiotic Capital Agency LLC, as Administrative AgentIntegrity Implants Inc.Release of Security Interest in Patent
Sep 12, 2025
Reel 72879, frame 290
Symbiotic Capital Agency LLCIntegrity Implants Inc.Release of Security 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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