Term ends May 22, 2029 · High confidence
20-year base term ends Jan 29, 2029
Held by Nevro Corp.
Filed Nov 8, 2018 as application 16/184,207 · Granted Feb 16, 2021
Base term plus 113 days of patent term adjustment (USPTO delay)
Today
2009
2029
Clock starts
Jan 29, 2009
Jan 29, 2009
Term ends
May 22, 2029
May 22, 2029
Granted
Feb 16, 2021
Feb 16, 2021
base term
patent term adjustment
fee events
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
113
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
9
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 113 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Jan 29, 2009, when application 12/362,244, the earliest non-provisional in its chain, was filed (this one was filed Nov 8, 2018) | Jan 29, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +113 days, USPTO patent term adjustment record | May 22, 2029 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 22, 2029 | High confidence |
This family
| US 8,255,057 | In force no later than May 2030 | no later than May 2030 |
| US 8,509,906 | In force Jan 2029 | Jan 2029 |
| US 8,849,410 | In force no later than Jan 2029 | no later than Jan 2029 |
| US 9,403,013 | In force no later than Jan 2029 | no later than Jan 2029 |
| US 10,173,065 | In force Jan 2029 | Jan 2029 |
| US 10,179,241 | In force Jan 2029 | Jan 2029 |
| US 10,918,867 | this patent May 2029 | May 2029 |
| US 11,883,670 | In force no later than Oct 2029 | no later than Oct 2029 |
8 of 9 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 |
|---|---|---|---|
| Aug 27, 2020 Reel 53616, frame 984 | Fang, Zi-ping; Caparso, Anthony V.; Walker, Andre B. | Nevro Corp. | Assignment of Assignor's Interest |
| Dec 1, 2023 Reel 65744, frame 302 | Nevro Corp. | Wilmington Trust, National Association, as Agent | Patent Security Agreement |
| Apr 4, 2025 Reel 70743, frame 1 | Wilmington Trust, National Association, as Agent | Nevro Corp. | 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
May 2029
Term ends May 22, 2029. Maintenance fees still fall due before then
Note
The 113 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2021 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.