Term ends Jan 29, 2029 · High confidence
20-year base term ends Jan 29, 2029
Held by CRG Servicing LLC,
Filed Jul 9, 2012 as application 13/544,727 · Granted Aug 13, 2013
Base term, 20 years from filing
Today
2009
2029
Clock starts
Jan 29, 2009
Jan 29, 2009
Term ends
Jan 29, 2029
Jan 29, 2029
Granted
Aug 13, 2013
Aug 13, 2013
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 9, 2012) | Jan 29, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 29, 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 | this patent 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 | In force 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 |
|---|---|---|---|
| May 21, 2014 Reel 32944, frame 448 | Fang, Zi-ping; Caparso, Anthony V.; Walker, Andre B. | Nevro Corporation | Assignment of Assignor's Interest |
| Dec 12, 2014 Reel 34619, frame 546 | Nevro Corp. | Capital Royalty Partners II L.P.; Capital Royalty Partners II - Parallel Fund "a" L.P.; Parallel Investment Opportunities Partners II L.P. | Security Interest |
| Dec 12, 2014 reel/frame not recorded | Nevro Corp. | Capital Royalty Partners II L.P. | Security Interest |
| Dec 12, 2014 reel/frame not recorded | Nevro Corp. | Capital Royalty Partners II - Parallel Fund "a" L.P. | Security Interest |
| Dec 12, 2014 reel/frame not recorded | Nevro Corp. | Parallel Investment Opportunities Partners II L.P. | Security Interest |
| Jun 13, 2016 Reel 38984, frame 865 | Capital Royalty Partners II L.P.; Capital Royalty Partners II - Parallel Fund "a" L.P.; Parallel Investment Opportunities Partners II L.P. | CRG Servicing LLC, | Assignment Agreement (REAFFIRMATION) |
| Jun 27, 2016 Reel 39168, frame 890 | CRG Servicing LLC | Nevro Corp. | Release of Security Interest |
| Nov 16, 2016 Reel 41257, frame 62 | Fang, Zi-ping; Caparso, Anthony V.; Walker, Andre B. | Nevro Corp. | Corrective Assignment to Correct the Receiving Party Data Previously Recorded at Reel: 032944 Frame: 0448. Assignor(S) Hereby Confirms the Assignment. |
| 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.
What's changing
Jan 2029
Term ends Jan 29, 2029. No further fees fall due before then
Citations
137
later US patents cite this one
That is top 5% of utility patents granted in 2013 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.