Also listed on Vivant LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 31, 2033 · High confidence
20-year base term ends Apr 5, 2032
Held by Vivant Medical LLC
Filed Apr 5, 2012 as application 13/440,690 · Granted Feb 3, 2015
Base term plus 421 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Apr 5, 2012
Apr 5, 2012
Term ends
May 31, 2033
May 31, 2033
Granted
Feb 3, 2015
Feb 3, 2015
base term
patent term adjustment
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
421
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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 runs 421 days past its 20-year base term on prosecution delay. 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 Apr 5, 2012, when this application, 13/440,690, was filed | Apr 5, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +421 days, USPTO patent term adjustment record | May 31, 2033 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 31, 2033 | High confidence |
This family
| US 8,945,113 | this patent May 2033 | May 2033 |
| US 9,597,151 | Lapsed on the fee record Mar 2025 | Mar 2025 |
| Application 15/451,765 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Apr 5, 2012 Reel 27998, frame 478 | Brannan, Joseph D.; Willyard, Richard A. | Vivant Medical, Inc. | Assignment of Assignor's Interest |
| Mar 4, 2013 Reel 29912, frame 31 | Vivant Medical, LLC | Covidien LP | Assignment of Assignor's Interest |
| Mar 4, 2013 Reel 29912, frame 131 | Vivant Medical, Inc. | Vivant LLC | Change of Name |
| Jun 19, 2013 Reel 30640, frame 593 | Vivant LLC | Covidien LP | Assignment of Assignor's Interest |
| Mar 29, 2016 Reel 38299, frame 168 | Vivant Medical, Inc. | Vivant Medical LLC | Change of Name |
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
May 2033
Term ends May 31, 2033. No further fees fall due before then
Note
The 421 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
later US patents cite this one
That is top 25% of utility patents granted in 2015 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.