Collateral for a security interest recorded Nov 20, 2014 (Capital Royalty Partners II L.P.).
Lapsed Feb 5, 2025 on the fee record · High confidence
20-year base term ends Feb 9, 2027
Third maintenance fee unpaid; grace period ended.
Held by Neuropace, Inc.
Filed Oct 14, 2011 as application 13/274,037 · Granted Feb 5, 2013
Base term, 20 years from filing
Today
Lapsed Feb 5, 2025
2007
2027
Clock starts
Feb 9, 2007
Feb 9, 2007
No longer in force
Feb 5, 2025
Feb 5, 2025
Granted
Feb 5, 2013
Feb 5, 2013
Term would have run to
Feb 9, 2027
Feb 9, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,894,890, US 8,068,904, to Feb 9, 2027. The term already ends on or before that date, so the cap shortened nothing.
2 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.
7
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 Feb 9, 2027: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Feb 9, 2007, when application 11/704,451, the earliest non-provisional in its chain, was filed (this one was filed Oct 14, 2011) | Feb 9, 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 | Disclaimer resolved from the filed document (refs US 7,894,890, US 8,068,904) | resolves to Feb 9, 2027, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Feb 5, 2025 | High confidence |
| Computed term end | The steps above, in order | Feb 5, 2025 | High confidence |
This family
| US 7,894,890 | In force Jun 2028 | Jun 2028 |
| US 8,068,904 | In force Feb 2027 | Feb 2027 |
| US 8,369,940 | this patent Feb 2025 | Feb 2025 |
| US 8,538,514 | Lapsed on the fee record Sep 2025 | Sep 2025 |
| US 8,903,483 | In force Feb 2027 | Feb 2027 |
| US 9,326,724 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,597,032 | In force Feb 2027 | Feb 2027 |
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 |
|---|---|---|---|
| Oct 14, 2011 Reel 27067, frame 77 | Sun, Felice; Pless, Benjamin D; Gibb, Barbara | Neuropace, Inc. | Assignment of Assignor's Interest |
| 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 |
| 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 7,894,890, US 8,068,904, ends no earlier than this term, so it caps nothing.
Citations
25
later US patents cite this one
That is top 25% 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.