Collateral for a security interest recorded Sep 26, 2025 (JPMorgan Chase Bank, N.A.).
Term ends Aug 8, 2036 · Medium confidence
20-year base term ends Aug 8, 2036
Why Medium: A parent in the chain could not be resolved.
Held by Sanuwave, Inc.
Filed Nov 16, 2016 as application 15/353,216 · Granted Feb 18, 2020
Base term, 20 years from filing
Today
2016
2036
Clock starts
Aug 8, 2016
Aug 8, 2016
Term ends
Aug 8, 2036
Aug 8, 2036
Granted
Feb 18, 2020
Feb 18, 2020
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
7
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. 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 Aug 8, 2016, when application 15/230,765, the earliest non-provisional in its chain, was filed (this one was filed Nov 16, 2016); a parent in its chain could not be resolved (the next row) | Aug 8, 2036 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 8, 2036 | Medium confidence |
This family
| US 10,053,376 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 10,246,349 | In force Sep 2036 | Sep 2036 |
| US 10,457,571 | In force Oct 2036 | Oct 2036 |
| US 10,562,793 | this patent Aug 2036 | Aug 2036 |
| Application 16/504,607 | Abandoned not computed | not computed |
| US 11,254,589 | In force Apr 2037 | Apr 2037 |
| US 12,110,238 | In force Oct 2036 | Oct 2036 |
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 |
|---|---|---|---|
| May 16, 2017 Reel 42397, frame 779 | Cioanta, Iulian; Jackson, John | Sanuwave, Inc. | Assignment of Assignor's Interest |
| Aug 7, 2020 Reel 53436, frame 953 | Sanuwave, Inc. | NH Expansion Credit Fund Holdings LP | Security Interest |
| Sep 26, 2025 Reel 72385, frame 128 | Sanuwave, Inc. | Jpmorgan Chase Bank, N.a. | Security Interest |
| Sep 30, 2025 Reel 72417, frame 134 | NH Expansion Credit Fund Holdings LP | Sanuwave, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2036
Term ends Aug 8, 2036. Maintenance fees still fall due before then
Citations
14
later US patents cite this one
That is top 25% of utility patents granted in 2020 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.