Term ends Nov 4, 2028 · Medium confidence
20-year base term ends Apr 22, 2030
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,170,675, US 8,209,021, US 8,396,559, US 8,428,748, US 8,989,865), so the cap could be lower.
Held by CRG Servicing LLC,
Filed Apr 22, 2010 as application 12/765,747 · Granted Apr 29, 2014
Base term plus 858 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2010
2030
Clock starts
Apr 22, 2010
Apr 22, 2010
Term ends
Nov 4, 2028
Nov 4, 2028
Granted
Apr 29, 2014
Apr 29, 2014
base term
after the term ends
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
858
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,170,675, US 8,209,021, US 8,355,792, US 8,359,102, US 8,359,103, US 8,396,559, US 8,428,748, US 8,694,109, US 8,712,533, US 8,774,926, US 8,989,865.
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.
54
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 858 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 22, 2010, when this application, 12/765,747, was filed | Apr 22, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +858 days, USPTO patent term adjustment record | Aug 27, 2032 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,170,675, US 8,209,021, US 8,355,792, US 8,359,102, US 8,359,103, US 8,396,559, US 8,428,748, US 8,694,109, US 8,712,533, US 8,774,926, US 8,989,865) | capped to Nov 4, 2028 | Medium 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 | Nov 4, 2028 | Medium confidence |
This family
| US 8,712,533 | this patent Nov 2028 | Nov 2028 |
| US 8,209,021 | In force no later than Apr 2030 | no later than Apr 2030 |
| US 8,170,675 | In force no later than Apr 2030 | no later than Apr 2030 |
| US 8,396,559 | In force no later than Apr 2030 | no later than Apr 2030 |
| US 8,359,103 | In force Apr 2030 | Apr 2030 |
| US 8,355,792 | In force Apr 2030 | Apr 2030 |
| US 8,428,748 | In force no later than Apr 2030 | no later than Apr 2030 |
| US 8,509,905 | In force Apr 2030 | Apr 2030 |
8 of 54 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 |
|---|---|---|---|
| Sep 3, 2010 Reel 24940, frame 679 | Alataris, Konstantinos; Walker, Andre B.; Parker, Jon; Chitre, Yougandh; Park, Sangsoo Wesley; Thacker, James R. | Nevro Corporation | Assignment of Assignor's 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 |
| 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 |
| 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 21, 2016 Reel 40662, frame 128 | Alataris, Konstantinos; Walker, Andre B.; Parker, Jon; Chitre, Yougandh; Park, Sangsoo Wesley; Thacker, James R. | Nevro Corp. | Corrective Assignment to Correct the Receiving Party's Name Previously Recorded at Reel: 024940 Frame: 0679. 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
Nov 2028
Term ends Nov 4, 2028. No further fees fall due before then
Note
The 858 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,170,675, US 8,209,021, US 8,355,792, US 8,359,102, US 8,359,103, US 8,396,559, US 8,428,748, US 8,694,109, US 8,712,533, US 8,774,926, US 8,989,865.
Citations
440
later US patents cite this one
That is top 1% of utility patents granted in 2014 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.