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Implantable System Enabling Responsive Therapy for Pain

US 9,421,371 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 23, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jul 9, 2015 as application 14/795,741 · Granted Aug 23, 2016
Base term, 20 years from filing
Today
Lapsed Aug 23, 2024
2006 2026
Clock starts
Mar 13, 2006
No longer in force
Aug 23, 2024
Granted
Aug 23, 2016
Term would have run to
Mar 13, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,114,260, to Mar 13, 2026. The term already ends on or before that date, so the cap shortened nothing.
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.
5
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 Mar 13, 2026: 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Mar 13, 2006, when application 11/374,380, the earliest non-provisional in its chain, was filed (this one was filed Jul 9, 2015)Mar 13, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,114,260)resolves to Mar 13, 2026, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Aug 23, 2024High confidence
Computed term endThe steps above, in orderAug 23, 2024High confidence

This family

US 7,894,905In force
Sep 2029
Sep 2029
US 8,583,239Lapsed on the fee record
Nov 2025
Nov 2025
US 8,805,520Term ended
Mar 2026
Mar 2026
US 9,114,260Term ended
Mar 2026
Mar 2026
US 9,421,371this patent
Aug 2024
Aug 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.
RecordedAssignorAssigneeConveyance
Jul 13, 2016
Reel 39148, frame 911
Pless, Benjamin D.; John, Michael SashaNeuropace, Inc.Assignment of Assignor's Interest
Apr 4, 2019
Reel 49466, frame 517
Neuropace, Inc.CRG Servicing LLCSecurity Interest
Sep 25, 2020
Reel 53885, frame 932
Neuropace, Inc.CRG Servicing LLCSecurity 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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