Collateral for a security interest recorded Feb 23, 2024 (The Stephen Wall 2011 Trust).
Term ends Mar 18, 2029 · High confidence
20-year base term ends Mar 18, 2029
Held by Circa Scientific, Inc.
Filed Jun 14, 2022 as application 17/840,488 · Granted Feb 13, 2024
Base term, 20 years from filing
Today
2009
2029
Clock starts
Mar 18, 2009
Mar 18, 2009
Term ends
Mar 18, 2029
Mar 18, 2029
Granted
Feb 13, 2024
Feb 13, 2024
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,357,408, to Mar 18, 2029. The term already ends on or before that date, so the cap shortened nothing.
0 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.
8
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 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 18, 2009, when application 12/406,771, the earliest non-provisional in its chain, was filed (this one was filed Jun 14, 2022) | Mar 18, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,357,408) | resolves to Mar 18, 2029, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 18, 2029 | High confidence |
This family
| US 9,155,476 | In force Sep 2029 | Sep 2029 |
| US 9,833,149 | In force May 2030 | May 2030 |
| US 9,668,655 | In force Mar 2029 | Mar 2029 |
| US 11,357,408 | In force Mar 2029 | Mar 2029 |
| US 10,806,348 | In force Feb 2030 | Feb 2030 |
| Application 17/075,597 | Abandoned not computed | not computed |
| US 11,896,348 | this patent Mar 2029 | Mar 2029 |
| Application 18/440,953 | 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 |
|---|---|---|---|
| Jun 15, 2023 Reel 63958, frame 529 | Fojtik, Shawn P. | Circa Scientific, LLC | Assignment of Assignor's Interest |
| Jun 15, 2023 Reel 64002, frame 750 | Circa Scientific, LLC | Circa Scientific, Inc. | Change of Name |
| 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
Mar 2029
Term ends Mar 18, 2029. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,357,408, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite 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.