Collateral for a security interest recorded May 31, 2024 (Perceptive Credit Holdings IV, LP).
Term ended Jun 10, 2024 · High confidence
20-year base term ended Jun 10, 2024
Held by Spinal Elements, Inc.
Filed Aug 30, 2011 as application 13/221,185 · Granted Apr 7, 2015
Base term plus 341 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Jun 10, 2024
2004
2026
Clock starts
Jun 10, 2004
Jun 10, 2004
Term ended
Jun 10, 2024
Jun 10, 2024
Granted
Apr 7, 2015
Apr 7, 2015
base term
after the term ends
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
341
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,740,942.
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.
12
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 341 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jun 10, 2004, when application 10/865,073, the earliest non-provisional in its chain, was filed (this one was filed Aug 30, 2011) | Jun 10, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +341 days, USPTO patent term adjustment record | May 17, 2025 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,740,942) | capped to Jun 10, 2024 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 10, 2024 | High confidence |
This family
| US 7,846,183 | In force Jan 2028 | Jan 2028 |
| US 9,504,583 | In force Apr 2027 | Apr 2027 |
| US 7,998,172 | Term ended Jun 2024 | Jun 2024 |
| US 8,858,597 | Lapsed on the fee record Oct 2026 | Oct 2026 |
| US 8,998,953 | this patent Jun 2024 | Jun 2024 |
| US 8,740,942 | Term ended Jun 2024 | Jun 2024 |
| US 8,882,804 | Term ended Jun 2024 | Jun 2024 |
| US 10,085,776 | Term ended Jun 2024 | Jun 2024 |
8 of 12 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 |
|---|---|---|---|
| Dec 7, 2012 Reel 29429, frame 787 | Blain, Jason | Spinal Elements, Inc. | Assignment of Assignor's Interest |
| May 5, 2015 Reel 35570, frame 411 | Spinal Elements, Inc. (Formerly, Quantum Orthopedics Inc.) | Comerica Bank | Security Interest |
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 341 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,740,942.
Citations
87
later US patents cite this one
That is top 5% of utility patents granted in 2015 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.