Term ends May 28, 2039 · Medium confidence
20-year base term ends May 28, 2039
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 11,531,949, US 11,790,298), so the cap could be lower.
Held by Oaya, Inc.
Filed Sep 6, 2023 as application 18/462,050 · Granted Jan 7, 2025
Base term, 20 years from filing
Today
2019
2039
Clock starts
May 28, 2019
May 28, 2019
Term ends
May 28, 2039
May 28, 2039
Granted
Jan 7, 2025
Jan 7, 2025
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 11,295,261, US 11,531,949, US 11,790,298, to May 28, 2039. The term already ends on or before that date, so the cap shortened nothing.
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.
18
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 3 maintenance fees are paid so far. Confidence: Medium. 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 May 28, 2019, when application 16/423,981, the earliest non-provisional in its chain, was filed (this one was filed Sep 6, 2023) | May 28, 2039 | 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 11,295,261, US 11,531,949, US 11,790,298) | resolves to May 28, 2039, no earlier than this term, so no change | Medium 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 | May 28, 2039 | Medium confidence |
This family
| US 11,295,261 | In force May 2039 | May 2039 |
| Application PCT/US2021/071585 | PCT application no patent term | no patent term |
| US 11,531,949 | In force no later than May 2039 | no later than May 2039 |
| US 11,790,298 | In force no later than May 2039 | no later than May 2039 |
| US 11,955,232 | In force Sep 2041 | Sep 2041 |
| Application PCT/US2023/063720 | PCT application no patent term | no patent term |
| Application PCT/US2023/069442 | PCT application no patent term | no patent term |
| US 12,190,271 | this patent May 2039 | May 2039 |
8 of 18 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 |
|---|---|---|---|
| Apr 25, 2024 Reel 67225, frame 695 | Douglas, Ryan J. | Deepwell DTX | Assignment of Assignor's Interest |
| May 15, 2026 Reel 74671, frame 795 | Deepwell DTX | Fluent Neurotechnology, Inc. | Assignment of Assignor's Interest |
| May 15, 2026 Reel 74672, frame 111 | Fluent Neurotechnology, Inc. | Oaya, Inc. | Assignment of Assignor's 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
May 2039
Term ends May 28, 2039. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,295,261, US 11,531,949, US 11,790,298, 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 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.