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US

Vertebral Facet Joint Prosthesis and Method of Fixation

US 8,858,597 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded May 31, 2024 (Perceptive Credit Holdings IV, LP).

Lapsed Oct 14, 2026 on the fee record · Low confidence

Third maintenance fee unpaid; grace period ended. The USPTO has not yet posted the lapse.

Filed Dec 3, 2010 as application 12/960,309 · Granted Oct 14, 2014
Base term, 20 years from filing, plus 865 days of patent term adjustment (USPTO delay)
Today
Lapsed Oct 14, 2026
2004 2026
Clock starts
Jun 10, 2004
No longer in force
Oct 14, 2026
Granted
Oct 14, 2014
Term would have run to
Oct 23, 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
865
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 7,846,183, to Oct 23, 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.
12
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 Oct 23, 2026: its 20-year base term plus 865 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: Low. 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 10, 2004, when application 10/865,073, the earliest non-provisional in its chain, was filed (this one was filed Dec 3, 2010)Jun 10, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+865 days, USPTO patent term adjustment recordOct 23, 2026High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,846,183)resolves to Oct 23, 2026, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"lapsed Oct 14, 2026Low confidence
Computed term endThe steps above, in orderOct 14, 2026Low confidence

This family

US 7,846,183In force
Jan 2028
Jan 2028
US 9,504,583In force
Apr 2027
Apr 2027
US 7,998,172Term ended
Jun 2024
Jun 2024
US 8,858,597this patent
Oct 2026
Oct 2026
US 8,998,953Term ended
Jun 2024
Jun 2024
US 8,740,942Term ended
Jun 2024
Jun 2024
US 8,882,804Term ended
Jun 2024
Jun 2024
US 10,085,776Term ended
Jun 2024
Jun 2024
8 of 12 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
Dec 6, 2012
Reel 29421, frame 985
Blain, JasonSpinal Elements, Inc.Assignment of Assignor's Interest
Sep 9, 2014
Reel 33702, frame 650
Blain, JasonSpinal Elements, Inc.Assignment of Assignor's Interest
May 5, 2015
Reel 35570, frame 411
Spinal Elements, Inc. (Formerly, Quantum Orthopedics Inc.)Comerica BankSecurity Interest
Apr 13, 2017
Reel 42247, frame 572
Spinal Elements, Inc.Antares Capital LP, as AgentSecurity Interest
Apr 18, 2017
Reel 42369, frame 295
Spinal Elements, Inc.Cortland Capital Market Services LLC, as AgentSecurity Interest
May 26, 2017
Reel 42589, frame 492
Comerica BankSpinal Elements Inc. Formerly Known as Quantum Orthopedics Inc.Release of Security Interest
Apr 10, 2020
Reel 52372, frame 207
Spinal Elements, Inc.Amendia, Inc.Merger
Apr 17, 2020
Reel 52919, frame 70
Amendia, Inc.Spinal Elements, Inc.Change of Name
May 31, 2024
Reel 67596, frame 295
Spinal Elements, Inc.; Custom Spine Acquisition, Inc.; Omni Acquisition Inc.Perceptive Credit Holdings IV, LPSecurity Interest
Jun 3, 2024
Reel 67605, frame 626
Antares Capital LP, as Administrative AgentSpinal Elements, Inc. (F.K.A. Amendia, Inc.)Release of Security Interest
Jun 3, 2024
Reel 67605, frame 676
Cortland Capital Market Services LLC, as AgentSpinal Elements, Inc. (F.K.A. Amendia, 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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