Term ends no later than Nov 13, 2028 · Medium confidence
20-year base term ends Mar 21, 2028
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Mar 21, 2008
Nov 13, 2028
Sep 20, 2016
This patent's term runs 237 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| 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 9, 2013) | Mar 21, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +237 days, USPTO patent term adjustment record | Nov 13, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Nov 13, 2028 | Medium confidence |
This family
| US 8,036,736 | In force Dec 2028 | Dec 2028 |
| US 8,543,199 | In force Mar 2028 | Mar 2028 |
| US 9,445,730 | this patent no later than Nov 2028 | no later than Nov 2028 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Sep 29, 2014 Reel 33841, frame 898 | 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 |
| Jun 29, 2020 Reel 53306, frame 229 | Cyberonics, Inc. | LivaNova USA, Inc. | Change of Name |
| 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Nov 13, 2028. We will not guess the cap.