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Percutaneous System for Dynamic Spinal Stabilization

US 8,267,968 In force
OverviewAssignmentsSources & methods

Term ends Aug 8, 2030 · High confidence

Filed Jun 24, 2009 as application 12/491,153 · Granted Sep 18, 2012
Base term plus 410 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2030
Clock starts
Jun 24, 2009
Term ends
Aug 8, 2030
Granted
Sep 18, 2012
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
410
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.

This patent's term runs 410 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jun 24, 2009, when this application, 12/491,153, was filedJun 24, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+410 days, USPTO patent term adjustment recordAug 8, 2030High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 8, 2030High confidence

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
Sep 24, 2009
Reel 23280, frame 283
Remington, Benjamin J.Neuropro Technologies, Inc.Assignment of Assignor's Interest
Sep 24, 2009
Reel 23280, frame 256
Baker, Daniel R.; Kirkwood, Keith W.Kinetic Research & Design, Inc.Assignment of Assignor's Interest
Sep 24, 2009
Reel 23280, frame 274
Kinetic Research & Design, Inc.Neuropro Technologies, Inc.Assignment of Assignor's Interest
Mar 18, 2025
Reel 70547, frame 447
Neuropro Technologies, Inc.U.S. Eagle Federal Credit UnionSecurity Interest
Aug 4, 2025
Reel 71922, frame 846
U.S. Eagle Federal Credit UnionNeuropro Spinal Jaxx Inc.; Neuropro Technologies, Inc.Release of Security Interest
Aug 4, 2025
reel/frame not recorded
U.S. Eagle Federal Credit UnionNeuropro Spinal Jaxx Inc.Release of Security Interest
Aug 4, 2025
reel/frame not recorded
U.S. Eagle Federal Credit UnionNeuropro Technologies, 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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