Also listed on Spinecore, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 23, 2028 · High confidence
20-year base term ends Sep 21, 2027
Held by VB Spine LLC
Filed Sep 30, 2021 as application 17/490,373 · Granted Apr 1, 2025
Base term plus 155 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Sep 21, 2007
Sep 21, 2007
Term ends
Feb 23, 2028
Feb 23, 2028
Granted
Apr 1, 2025
Apr 1, 2025
base term
patent term adjustment
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
155
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
None due
Maintenance fees
This term ends before the first maintenance fee's grace period does, 4 years from grant, so no fee can end it early.
76
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 155 days past its 20-year base term on prosecution delay. No maintenance fee can end this term early. 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 21, 2007, when application PCT/US2007/020562, the earliest non-provisional in its chain, was filed (this one was filed Sep 30, 2021) | Sep 21, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +155 days, USPTO patent term adjustment record | Feb 23, 2028 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No maintenance fee can end the term early | In force | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2028 | High confidence |
This family
| US 6,706,068 | Term ended Apr 2023 | Apr 2023 |
| Application PCT/US2003/012500 | PCT application no patent term | no patent term |
| US 8,366,772 | Lapsed on the fee record Feb 2025 | Feb 2025 |
| Application PCT/US2007/020562 | PCT application no patent term | no patent term |
| Application PCT/US2010/031247 | PCT application no patent term | no patent term |
| Application 12/442,181 | Abandoned not computed | not computed |
| US 8,998,924 | In force Nov 2030 | Nov 2030 |
| US 8,784,492 | Term ended Apr 2023 | Apr 2023 |
8 of 76 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 4, 2021 Reel 57689, frame 904 | Zubok, Rafail | Spinecore, Inc. | Assignment of Assignor's Interest |
| Oct 5, 2021 Reel 57701, frame 774 | Spinecore, Inc. | Howmedica Osteonics Corp. | Merger |
| May 8, 2025 Reel 71224, frame 768 | Howmedica Osteonics Corp. | VB Spine US Opco LLC | Assignment of Assignor's Interest |
| Jun 16, 2025 Reel 71682, frame 116 | K2M, Inc.; VB Spine US Opco LLC; VB Spine LLC | Ankura Trust Company, LLC, as Collateral Agent | Patent Security Agreement |
| Aug 8, 2025 Reel 72340, frame 397 | K2M, Inc.; VB Spine US Opco LLC | Texas Capital Bank, As Collateral Agent | Security Interest |
| Jun 23, 2026 Reel 75812, frame 865 | VB Spine US Opco LLC | VB Spine 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.
What's changing
Feb 2028
Term ends Feb 23, 2028. No further fees fall due before then
Note
The 155 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.