Also listed on Novasignal Corp., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 5, 2037 · Medium confidence
20-year base term ends Jan 5, 2037
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,709,417), so the cap could be lower.
Held by Neurasignal, Inc.
Filed Jan 5, 2017 as application 15/399,735 · Granted Feb 28, 2023
Base term plus 512 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2017
2037
Clock starts
Jan 5, 2017
Jan 5, 2017
Term ends
Jan 5, 2037
Jan 5, 2037
Granted
Feb 28, 2023
Feb 28, 2023
base term
fee events
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
512
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 10,709,417.
1 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 runs 512 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 maintenance fees is 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 Jan 5, 2017, when this application, 15/399,735, was filed | Jan 5, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +512 days, USPTO patent term adjustment record | Jun 1, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,709,417) | capped to Jan 5, 2037 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 5, 2037 | Medium confidence |
This family
| US 11,589,836 | this patent Jan 2037 | Jan 2037 |
| US 10,709,417 | In force no later than Jan 2037 | no later than Jan 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 |
|---|---|---|---|
| Aug 23, 2017 Reel 43368, frame 128 | O'brien, Michael; Canac, Nicolas; Costa, Michael; Dunlop, Trevor; Flores, Roman, II; Hamilton, Robert; Patanam, Ilyas; Radhakrishnan, Shankar; Ranjbaran, Mina; Thibeault, Corey; Thorpe, Samuel; Wilk, Seth; Zwierstra, Jan | Neural Analytics, Inc. | Assignment of Assignor's Interest |
| Dec 15, 2020 Reel 54766, frame 658 | Neural Analytics, Inc. | Novasignal Corp. | Change of Name |
| Dec 18, 2021 Reel 58425, frame 481 | Novasignal Corp. | Avenue Venture Opportunities Fund, L.P. | Security Interest |
| Jul 5, 2023 Reel 64155, frame 787 | Avenue Venture Opportunities Fund, L.P. | Neurasignal, Inc. | Assignment of Assignor's Interest |
| Jul 5, 2023 Reel 64155, frame 854 | Neurasignal, Inc. | Avenue Capital Management II, L.P. | Security Interest |
| Jul 5, 2023 Reel 64206, frame 484 | Novasignal Corp. | Avenue Venture Opportunities Fund, L.P. | Statement of Foreclosure |
| Jul 10, 2023 Reel 64238, frame 383 | Avenue Venture Opportunities Fund, L.P. | Neurasignal, Inc. | Assignment of Assignor's Interest |
| Mar 5, 2024 Reel 66741, frame 678 | Novasignal Corp. | Avenue Venture Opportunities Fund, L.P. | Default |
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.
What's changing
Jan 2037
Term ends Jan 5, 2037. Maintenance fees still fall due before then
Note
The 512 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 10,709,417.
Citations
35
later US patents cite this one
That is top 5% of utility patents granted in 2023 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.