Collateral for a security interest recorded Feb 23, 2024 (The Stephen Wall 2011 Trust).
Term ends Aug 27, 2037 · High confidence
20-year base term ends Mar 7, 2037
Held by Circa Scientific, Inc.
Filed Sep 28, 2020 as application 17/035,460 · Granted Feb 6, 2024
Base term plus 173 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Mar 7, 2017
Mar 7, 2017
Term ends
Aug 27, 2037
Aug 27, 2037
Granted
Feb 6, 2024
Feb 6, 2024
base term
patent term adjustment
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
173
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
3
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 173 days past its 20-year base term on prosecution delay. 0 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 Mar 7, 2017, when application 15/452,675, the earliest non-provisional in its chain, was filed (this one was filed Sep 28, 2020) | Mar 7, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +173 days, USPTO patent term adjustment record | Aug 27, 2037 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 27, 2037 | High confidence |
This family
| US 10,786,651 | In force Mar 2038 | Mar 2038 |
| US 11,890,431 | this patent Aug 2037 | Aug 2037 |
| US 12,551,661 | In force Mar 2037 | Mar 2037 |
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 3, 2020 Reel 54539, frame 184 | Edminster, Darren; Wahnschaffe, Douglas; Berhow, Steve | Biomerics, LLC | Assignment of Assignor's Interest |
| Dec 3, 2020 Reel 54539, frame 271 | Biomerics, LLC | Talon Medical, LLC | Assignment of Assignor's Interest |
| Mar 31, 2023 Reel 63185, frame 695 | Talon Medical, LLC D/B/A Talon Surgical | Circa Scientific, Inc. | Assignment of Assignor's Interest |
| Feb 23, 2024 Reel 66547, frame 64 | Circa Scientific, Inc. | The Stephen Wall 2011 Trust | Security Interest |
| Mar 29, 2024 Reel 66945, frame 263 | Circa Scientific, Inc. | Jpmorgan Chase Bank, N.a. | Security Interest |
| Jul 11, 2024 Reel 67959, frame 857 | Jpmorgan Chase Bank, N.a. | Circa Scientific, 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
Aug 2037
Term ends Aug 27, 2037. Maintenance fees still fall due before then
Note
The 173 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.