Term ended Nov 1, 2025 · High confidence
20-year base term ends Aug 9, 2032
Held by Neuropro Technologies, Inc.
Filed Aug 9, 2012 as application 13/571,254 · Granted May 21, 2019
Base term plus 76 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Nov 1, 2025
2012
2032
Clock starts
Aug 9, 2012
Aug 9, 2012
Term ended
Nov 1, 2025
Nov 1, 2025
Granted
May 21, 2019
May 21, 2019
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
76
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 10,098,757, US 8,597,360, US 9,532,883.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
5
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 76 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 Aug 9, 2012, when this application, 13/571,254, was filed | Aug 9, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +76 days, USPTO patent term adjustment record | Oct 24, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,098,757, US 8,597,360, US 9,532,883) | capped to Nov 1, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 1, 2025 | High confidence |
This family
| US 10,292,830 | this patent Nov 2025 | Nov 2025 |
| US 10,420,654 | In force Aug 2032 | Aug 2032 |
| Application PCT/US2018/013394 | PCT application no patent term | no patent term |
| US 11,432,940 | In force Aug 2032 | Aug 2032 |
| Application 17/902,156 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Feb 21, 2013 Reel 29852, frame 831 | McLuen, Gary R.; Remington, Benjamin J.; Baker, Daniel R.; Logan, Joseph N.; Stalcup, Gregory C.; Gerbec, Daniel E. | Neuropro Technologies, Inc. | Assignment of Assignor's Interest |
| Mar 18, 2025 Reel 70547, frame 447 | Neuropro Technologies, Inc. | U.S. Eagle Federal Credit Union | Security Interest |
| Aug 4, 2025 Reel 71922, frame 846 | U.S. Eagle Federal Credit Union | Neuropro Spinal Jaxx Inc.; Neuropro Technologies, Inc. | Release of Security Interest |
| Aug 4, 2025 reel/frame not recorded | U.S. Eagle Federal Credit Union | Neuropro Spinal Jaxx Inc. | Release of Security Interest |
| Aug 4, 2025 reel/frame not recorded | U.S. Eagle Federal Credit Union | Neuropro Technologies, 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 76 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 10,098,757, US 8,597,360, US 9,532,883.
Citations
212
later US patents cite this one
That is top 1% of utility patents granted in 2019 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.