Collateral for a security interest recorded Aug 16, 2021 (Goldman Sachs Bank USA).
Term ends Mar 21, 2028 · High confidence
20-year base term ends Mar 21, 2028
Held by Cyberonics, Inc.
Filed Sep 2, 2011 as application 13/225,241 · Granted Sep 24, 2013
Base term, 20 years from filing
Today
2008
2028
Clock starts
Mar 21, 2008
Mar 21, 2008
Term ends
Mar 21, 2028
Mar 21, 2028
Granted
Sep 24, 2013
Sep 24, 2013
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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 8,036,736, to Mar 21, 2028. The term already ends on or before that date, so the cap shortened nothing.
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.
3
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 is 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. All three maintenance fees are recorded paid; no more fees are due. 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 Mar 21, 2008, when application 12/053,312, the earliest non-provisional in its chain, was filed (this one was filed Sep 2, 2011) | Mar 21, 2028 | 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 8,036,736) | resolves to Mar 21, 2028, no earlier than this term, so no change | High 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 | Mar 21, 2028 | High confidence |
This family
| US 8,036,736 | In force Dec 2028 | Dec 2028 |
| US 8,543,199 | this patent Mar 2028 | Mar 2028 |
| US 9,445,730 | In force no later than Nov 2028 | no later than Nov 2028 |
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 29, 2011 Reel 27294, frame 611 | Snyder, David; Leyde, Kent W.; Harris, John F. | Neurovista Corporation | Assignment of Assignor's Interest |
| Sep 14, 2012 Reel 28959, frame 395 | Neurovista Corporation | Cyberonics, Inc. | Security Agreement |
| Apr 10, 2013 Reel 30192, frame 408 | Neurovista Corporation | Cyberonics, Inc. | Assignment of Assignor's Interest |
| Jun 17, 2020 Reel 53673, frame 675 | LivaNova USA, Inc. | Ares Capital Corporation, As Collateral Agent | Patent Security Agreement |
| Dec 30, 2020 Reel 54881, frame 784 | LivaNova USA, Inc. | Acf Finco I LP, as Collateral Agent | Patent Security Agreement |
| Aug 16, 2021 Reel 57188, frame 1 | LivaNova USA, Inc. | Goldman Sachs Bank USA, as Collateral Agent | Security Interest |
| Aug 16, 2021 Reel 57189, frame 1 | Ares Capital Corporation, as Agent for the Lenders | LivaNova USA, Inc. | Release of Security Interest |
| Sep 20, 2021 Reel 57552, frame 378 | Acf Finco I LP | LivaNova USA, 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.
What's changing
Mar 2028
Term ends Mar 21, 2028. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,036,736, ends no earlier than this term, so it caps nothing.
Citations
51
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.