Term ends Dec 7, 2028 · High confidence
20-year base term ended Sep 25, 2026
Held by VB Spine LLC
Filed Dec 15, 2008 as application 12/316,637 · Granted Feb 2, 2016
Base term plus 804 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Sep 25, 2006
Sep 25, 2006
Term ends
Dec 7, 2028
Dec 7, 2028
Granted
Feb 2, 2016
Feb 2, 2016
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
804
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.
7
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 804 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Sep 25, 2006, when application 11/526,785, the earliest non-provisional in its chain, was filed (this one was filed Dec 15, 2008) | Sep 25, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +804 days, USPTO patent term adjustment record | Dec 7, 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 7, 2028 | High confidence |
This family
| US 8,894,655 | In force Jun 2027 | Jun 2027 |
| US 9,247,977 | this patent Dec 2028 | Dec 2028 |
| US 8,979,851 | Term ended Sep 2026 | Sep 2026 |
| US 9,119,684 | In force no later than Nov 2026 | no later than Nov 2026 |
| US 9,655,685 | Term ended Sep 2026 | Sep 2026 |
| US 10,070,936 | Term ended Sep 2026 | Sep 2026 |
| US 10,765,488 | In force Jan 2027 | Jan 2027 |
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 |
|---|---|---|---|
| May 7, 2009 Reel 22658, frame 916 | Fallin, T. Wade; Butters, Joshua A. | Stryker Spine | Assignment of Assignor's Interest |
| Nov 23, 2015 Reel 37152, frame 825 | Stryker Spine SAS | Stryker European Holdings VI, LLC | Nunc Pro Tunc Assignment |
| Nov 23, 2015 Reel 37153, frame 391 | Stryker European Holdings VI, LLC | Stryker European Holdings I, LLC | Nunc Pro Tunc Assignment |
| Jun 7, 2020 Reel 52860, frame 716 | Stryker European Holdings III, LLC | Stryker European Operations Holdings LLC | Change of Name |
| Jun 7, 2020 Reel 52861, frame 1 | Stryker European Holdings I, LLC | Stryker European Holdings III, LLC | Nunc Pro Tunc Assignment |
| Dec 18, 2024 Reel 69730, frame 754 | Stryker European Operations Holdings LLC | Stryker European Operations Holdings LLC | Change of Address |
| May 12, 2025 Reel 71267, frame 99 | Stryker European Operations Holdings LLC | 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
Dec 2028
Term ends Dec 7, 2028. Maintenance fees still fall due before then
Note
The 804 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
108
later US patents cite this one
That is top 5% of utility patents granted in 2016 in our data, the only group it is compared against.
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.