Collateral for a security interest recorded Jul 14, 2026 (Hercules Capital, Inc.).
Term ends Jan 30, 2044 · High confidence
20-year base term ends Jan 30, 2044
Held by Sondermind Inc.
Filed Jul 8, 2024 as application 18/765,835 · Granted Nov 25, 2025
Base term, 20 years from filing
Today
2024
2044
Clock starts
Jan 30, 2024
Jan 30, 2024
Term ends
Jan 30, 2044
Jan 30, 2044
Granted
Nov 25, 2025
Nov 25, 2025
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
2
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. 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 Jan 30, 2024, when application 18/427,327, the earliest non-provisional in its chain, was filed (this one was filed Jul 8, 2024) | Jan 30, 2044 | 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 | 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 | Jan 30, 2044 | High confidence |
This family
| Application 18/427,327 | Abandoned not computed | not computed |
| US 12,481,724 | this patent Jan 2044 | Jan 2044 |
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 24, 2025 Reel 71498, frame 482 | Knights, Jonathan; Dubois, Holly; Mysliwiec, Vincent | Sondermind Inc. | Assignment of Assignor's Interest |
| Jun 24, 2025 Reel 71498, frame 677 | Shen, Hanjie | Sondermind Inc. | Assignment of Assignor's Interest |
| Jun 24, 2025 Reel 71704, frame 906 | Yang, Xiao | Mindstrong, Inc. | Employee Invention Assignment and Confidentiality Agreement |
| Feb 11, 2026 Reel 74746, frame 517 | Sondermind Inc. | Jpmorgan Chase Bank, N.a. | Supplement No. 1 to Intellectual Property Security Agreement |
| Jul 14, 2026 Reel 75267, frame 62 | Sondermind Inc.; Sondermind Provider Network, LLC | Hercules Capital, Inc., as Agent | Security Interest |
| Jul 21, 2026 Reel 75344, frame 500 | JPMorgan Chase Bank | Sondermind 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
Jan 2044
Term ends Jan 30, 2044. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 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.