Term ends Feb 2, 2041 · Medium confidence
20-year base term ends Feb 2, 2041
Why Medium: A parent in the chain could not be resolved.
Held by Laplace Interventional Inc.
Filed Sep 16, 2025 as application 19/329,873 · Granted Sep 29, 2026
Base term, 20 years from filing
Today
2021
2041
Clock starts
Feb 2, 2021
Feb 2, 2021
Term ends
Feb 2, 2041
Feb 2, 2041
Granted
Sep 29, 2026
Sep 29, 2026
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.
6
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: 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 Feb 2, 2021, when application 17/165,244, the earliest non-provisional in its chain, was filed (this one was filed Sep 16, 2025); a parent in its chain could not be resolved (the next row) | Feb 2, 2041 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | Feb 2, 2041 | Medium confidence |
This family
| US 11,109,965 | In force Feb 2041 | Feb 2041 |
| US 11,337,801 | In force Feb 2041 | Feb 2041 |
| US 11,701,223 | In force Feb 2041 | Feb 2041 |
| US 12,279,951 | In force Feb 2041 | Feb 2041 |
| Application 19/184,065 | Pending not computed | not computed |
| US 12,746,119 | this patent Feb 2041 | Feb 2041 |
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 |
|---|---|---|---|
| Oct 22, 2025 Reel 72633, frame 500 | Iyer, Ramji | Laplace Interventional Inc. | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 599 | Johnson, Samuel Thomas | NPX Medical, LLC | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 665 | Anderson, Stephen | Haarstad Engineering Service | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 744 | NPX Medical, LLC | Laplace Interventional Inc. | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 769 | Haarstad Engineering Service | Laplace Interventional Inc. | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 893 | Iyer, Ramji | Laplace Interventional LLC | Assignment of Assignor's Interest |
| Oct 22, 2025 Reel 72633, frame 930 | Laplace Interventional LLC | Laplace Interventional 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2041
Term ends Feb 2, 2041. Maintenance fees still fall due before then
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.