Collateral for a security interest recorded May 31, 2024 (Perceptive Credit Holdings IV, LP).
Term ends Mar 16, 2028 · High confidence
20-year base term ended Mar 13, 2026
Held by Spinal Elements, Inc.
Filed Mar 13, 2006 as application 11/374,668 · Granted Jul 30, 2013
Base term plus 734 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Mar 13, 2006
Mar 13, 2006
Term ends
Mar 16, 2028
Mar 16, 2028
Granted
Jul 30, 2013
Jul 30, 2013
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
734
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.
This patent's term runs 734 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Mar 13, 2006, when this application, 11/374,668, was filed | Mar 13, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +734 days, USPTO patent term adjustment record | Mar 16, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 16, 2028 | High confidence |
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 9, 2006 Reel 17872, frame 384 | Blain, Jason | Quantum Orthopedics, Inc. | Assignment of Assignor's Interest |
| Nov 7, 2006 Reel 18505, frame 236 | Quantum Orthopedics, Inc. | Spinal Elements, Inc. | Change of Name |
| Feb 9, 2007 Reel 18875, frame 318 | Spinal Elements, Inc. (FKA Quantum Orthopedics Inc.) | Comerica Bank | Security Agreement |
| Apr 13, 2017 Reel 42247, frame 572 | Spinal Elements, Inc. | Antares Capital LP, as Agent | Security Interest |
| Apr 18, 2017 Reel 42369, frame 295 | Spinal Elements, Inc. | Cortland Capital Market Services LLC, as Agent | Security Interest |
| May 26, 2017 Reel 42589, frame 492 | Comerica Bank | Spinal 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, LP | Security Interest |
| Jun 3, 2024 Reel 67605, frame 626 | Antares Capital LP, as Administrative Agent | Spinal Elements, Inc. (F.K.A. Amendia, Inc.) | Release of Security Interest |
| Jun 3, 2024 Reel 67605, frame 676 | Cortland Capital Market Services LLC, as Agent | Spinal 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2028
Term ends Mar 16, 2028. No further fees fall due before then
Note
The 734 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
121
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.