Also listed on Farapulse, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 29, 2044 · High confidence
20-year base term ends Sep 8, 2041
Held by Boston Scientific Scimed, Inc.
Filed Sep 8, 2021 as application 17/469,300 · Granted Dec 16, 2025
Base term plus 1086 days of patent term adjustment (USPTO delay)
Today
2021
2044
Clock starts
Sep 8, 2021
Sep 8, 2021
Term ends
Aug 29, 2044
Aug 29, 2044
Granted
Dec 16, 2025
Dec 16, 2025
base term
patent term adjustment
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
1,086
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
This patent's term runs 1086 days past its 20-year base term on 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 Sep 8, 2021, when this application, 17/469,300, was filed | Sep 8, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1086 days, USPTO patent term adjustment record | Aug 29, 2044 | 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 | Aug 29, 2044 | High confidence |
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 |
|---|---|---|---|
| Dec 8, 2021 Reel 58335, frame 345 | Viswanathan, Raju | Farapulse, Inc. | Assignment of Assignor's Interest |
| Sep 15, 2023 Reel 64927, frame 551 | Farapulse, Inc. | Boston Scientific Scimed, Inc. | Assignment of Assignor's Interest |
| Feb 11, 2026 Reel 74780, frame 29 | Viswanathan, Raju | Farapulse, 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
Aug 2044
Term ends Aug 29, 2044. Maintenance fees still fall due before then
Note
The 1086 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
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.