Term ended Nov 10, 2026 · High confidence
20-year base term ended Sep 26, 2026
Held by VB Spine LLC
Filed Nov 8, 2010 as application 12/941,143 · Granted Oct 30, 2012
Base term plus 45 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 10, 2026
2006
2026
Clock starts
Sep 26, 2006
Sep 26, 2006
Term ended
Nov 10, 2026
Nov 10, 2026
Granted
Oct 30, 2012
Oct 30, 2012
base term
patent term adjustment
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
45
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.
6
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 45 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 26, 2006, when application 11/528,223, the earliest non-provisional in its chain, was filed (this one was filed Nov 8, 2010) | Sep 26, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +45 days, USPTO patent term adjustment record | Nov 10, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 10, 2026 | High confidence |
This family
| US 7,846,093 | In force Sep 2029 | Sep 2029 |
| Application PCT/US2007/010716 | PCT application no patent term | no patent term |
| US 8,298,138 | this patent Nov 2026 | Nov 2026 |
| US 8,734,338 | Term ended Sep 2026 | Sep 2026 |
| US 9,161,779 | Term ended Sep 2026 | Sep 2026 |
| US 9,510,858 | Term ended Sep 2026 | Sep 2026 |
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 |
|---|---|---|---|
| Nov 8, 2010 Reel 25332, frame 753 | Gorek, Josef; Kostuik, John; Picetti, George; Strauss, Kevin R; Barrus, Mike; McClintock, Larry; Woods, Richard W | K2M, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2011 Reel 26565, frame 482 | K2M, Inc. | Silicon Valley Bank | Addendum to Intellectual Property Security Agreement |
| Nov 1, 2012 Reel 29489, frame 327 | K2M, Inc.; K2M Holding, Inc.; K2M UK Limited | Silicon Valley Bank | Security Interest |
| May 22, 2013 Reel 30918, frame 426 | Silicon Valley Bank | K2M, Inc. | Termination |
| Oct 22, 2014 Reel 34034, frame 97 | K2M, Inc.; K2M Unlimited; K2M Holdings, Inc. | Silicon Valley Bank | First Amendment to Patent Security Agreement |
| Nov 9, 2018 Reel 47496, frame 1 | Silicon Valley Bank | K2M, Inc.; K2M Holdings, Inc.; K2M UK Limited | Release of Security Interest |
| Nov 9, 2018 reel/frame not recorded | Silicon Valley Bank | K2M, Inc. | Release of Security Interest |
| Nov 9, 2018 reel/frame not recorded | Silicon Valley Bank | K2M Holdings, Inc. | Release of Security Interest |
| Nov 9, 2018 reel/frame not recorded | Silicon Valley Bank | K2M UK Limited | Release of Security 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 75801, frame 592 | K2M, Inc. | 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
Note
The 45 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
46
later US patents cite this one
That is top 25% of utility patents granted in 2012 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.