Lapsed Sep 13, 2024 on the fee record · High confidence
20-year base term ends Oct 30, 2027
Second maintenance fee unpaid; grace period ended.
Held by Neuropace, Inc.
Filed Mar 24, 2014 as application 14/223,478 · Granted Sep 13, 2016
Base term, 20 years from filing
Today
Lapsed Sep 13, 2024
2007
2027
Clock starts
Oct 30, 2007
Oct 30, 2007
No longer in force
Sep 13, 2024
Sep 13, 2024
Granted
Sep 13, 2016
Sep 13, 2016
Term would have run to
Oct 30, 2027
Oct 30, 2027
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
None
Term adjustment
No prosecution delay on this record.
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.
18
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Oct 30, 2027: its 20-year base term, with no adjustment for prosecution delay. 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 Oct 30, 2007, when application 11/929,801, the earliest non-provisional in its chain, was filed (this one was filed Mar 24, 2014) | Oct 30, 2027 | 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 | 1 of 2 maintenance fees paid | lapsed Sep 13, 2024 | High confidence |
| Computed term end | The steps above, in order | Sep 13, 2024 | High confidence |
This family
| US 9,179,850 | In force Dec 2031 | Dec 2031 |
| US 8,761,889 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| Application 12/243,733 | Abandoned not computed | not computed |
| US 8,965,513 | In force Nov 2032 | Nov 2032 |
| Application PCT/US2008/081655 | PCT application no patent term | no patent term |
| US 8,938,290 | In force Nov 2032 | Nov 2032 |
| US 9,440,064 | this patent Sep 2024 | Sep 2024 |
| US 9,167,978 | In force Oct 2027 | Oct 2027 |
8 of 18 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 |
|---|---|---|---|
| Nov 20, 2014 Reel 34410, frame 767 | Neuropace, Inc. | Capital Royalty Partners II L.P.; Capital Royalty Partners II - Parallel Fund "a" L.P.; Parallel Investment Opportunities Partners II L.P. | Short-Form Patent Security Agreement |
| Nov 20, 2014 reel/frame not recorded | Neuropace, Inc. | Capital Royalty Partners II L.P. | Short-Form Patent Security Agreement |
| Nov 20, 2014 reel/frame not recorded | Neuropace, Inc. | Capital Royalty Partners II - Parallel Fund "a" L.P. | Short-Form Patent Security Agreement |
| Nov 20, 2014 reel/frame not recorded | Neuropace, Inc. | Parallel Investment Opportunities Partners II L.P. | Short-Form Patent Security Agreement |
| Jun 24, 2015 Reel 35963, frame 955 | Wingeier, Brett; Chao, Daniel; Tcheng, Thomas; Pless, Benjamin | Neuropace, Inc. | Assignment of Assignor's Interest |
| Sep 25, 2020 Reel 53885, frame 932 | Neuropace, Inc. | CRG Servicing LLC | Security Interest |
| Jun 4, 2025 Reel 71495, frame 800 | CRG Servicing LLC as Successor to Capital Royalty Partners II L.P., Capital Royalty Partners II - Parallel Fund "a" L.P., and Parallel Investment Opportunities Partners II L.P. | Neuropace 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.
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Alerts on its grants, lapses and transfers.
Citations
59
later US patents cite this one
That is top 10% of utility patents granted in 2016 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.