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Selectively Expanding Spine Cage With Enhanced Bone Graft Infusion

US 9,028,550 Term ended
OverviewFamilyAssignmentsSources & methods

Also listed on Coalign Innovations, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ended Sep 26, 2026 · High confidence

Held by VB Spine LLC
Filed Mar 13, 2013 as application 13/799,047 · Granted May 12, 2015
Base term, 20 years from filing
Today
20 years from filing
Term ended Sep 26, 2026
2006 2026
Clock starts
Sep 26, 2006
Term ended
Sep 26, 2026
Granted
May 12, 2015
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
10
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 is its 20-year base term, with no 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 Sep 26, 2006, when application 11/535,432, the earliest non-provisional in its chain, was filed (this one was filed Mar 13, 2013)Sep 26, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderSep 26, 2026High confidence

This family

US 7,985,256In force
no later than May 2030
no later than May 2030
US 8,070,813Lapsed on the fee record
Dec 2023
Dec 2023
Application 11/981,452Abandoned
not computed
not computed
US 8,394,143In force
Apr 2030
Apr 2030
US 8,454,695Term ended
Sep 2026
Sep 2026
US 8,480,741Lapsed on the fee record
Jul 2025
Jul 2025
US 9,028,550this patent
Sep 2026
Sep 2026
US 9,814,600Term ended
Sep 2026
Sep 2026
8 of 10 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
Sep 27, 2013
Reel 31295, frame 566
Shulock, Damien J.; Ashley, John E.; Grotz, Thomas; Pretti, RudyCoalign Innovations, Inc.Assignment of Assignor's Interest
May 19, 2015
Reel 35667, frame 165
Coalign Innovations, Inc.Howmedica Osteonics Corp.Merger
May 8, 2025
Reel 71224, frame 768
Howmedica Osteonics Corp.VB Spine US Opco LLCAssignment of Assignor's Interest
Jun 16, 2025
Reel 71682, frame 116
K2M, Inc.; VB Spine US Opco LLC; VB Spine LLCAnkura Trust Company, LLC, as Collateral AgentPatent Security Agreement
Aug 8, 2025
Reel 72340, frame 397
K2M, Inc.; VB Spine US Opco LLCTexas Capital Bank, As Collateral AgentSecurity Interest
Jun 23, 2026
Reel 75812, frame 865
VB Spine US Opco LLCVB Spine LLCAssignment 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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