Lapsed Feb 23, 2024 on the fee record · High confidence
20-year base term ended Sep 21, 2026
Second maintenance fee unpaid; grace period ended.
Held by Neuropace, Inc.
Filed Sep 3, 2015 as application 14/845,153 · Granted Feb 23, 2016
Base term, 20 years from filing
Today
Lapsed Feb 23, 2024
2006
2026
Clock starts
Sep 21, 2006
Sep 21, 2006
No longer in force
Feb 23, 2024
Feb 23, 2024
Granted
Feb 23, 2016
Feb 23, 2016
Term would have run to
Sep 21, 2026
Sep 21, 2026
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.
4
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 Sep 21, 2026: 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 Sep 21, 2006, when application 11/525,586, the earliest non-provisional in its chain, was filed (this one was filed Sep 3, 2015) | Sep 21, 2026 | 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 Feb 23, 2024 | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2024 | High confidence |
This family
| US 9,162,051 | In force Dec 2030 | Dec 2030 |
| US 9,162,052 | In force Nov 2026 | Nov 2026 |
| US 9,265,931 | this patent Feb 2024 | Feb 2024 |
| US 9,265,946 | Lapsed on the fee record Feb 2024 | Feb 2024 |
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 |
|---|---|---|---|
| Jan 8, 2016 Reel 37441, frame 944 | Morrell, Martha J | Neuropace, Inc. | Assignment of Assignor's Interest |
| Apr 4, 2019 Reel 49466, frame 517 | Neuropace, Inc. | CRG Servicing LLC | Security 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
20
later US patents cite this one
That is top 25% 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.