Lapsed Mar 21, 2025 on the fee record · High confidence
20-year base term ends Apr 5, 2032
Second maintenance fee unpaid; grace period ended.
Held by Covidien LP
Filed Jan 19, 2015 as application 14/599,604 · Granted Mar 21, 2017
Base term, 20 years from filing
Today
Lapsed Mar 21, 2025
2012
2032
Clock starts
Apr 5, 2012
Apr 5, 2012
No longer in force
Mar 21, 2025
Mar 21, 2025
Granted
Mar 21, 2017
Mar 21, 2017
Term would have run to
Apr 5, 2032
Apr 5, 2032
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 8,945,113, to Apr 5, 2032. The term already ends on or before that date, so the cap shortened nothing.
1 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.
Its term would have run to Apr 5, 2032: 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 Apr 5, 2012, when application 13/440,690, the earliest non-provisional in its chain, was filed (this one was filed Jan 19, 2015) | Apr 5, 2032 | 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 8,945,113) | resolves to Apr 5, 2032, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed Mar 21, 2025 | High confidence |
| Computed term end | The steps above, in order | Mar 21, 2025 | High confidence |
This family
| US 8,945,113 | In force May 2033 | May 2033 |
| US 9,597,151 | this patent 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 |
|---|---|---|---|
| Jan 19, 2015 Reel 34742, frame 619 | Brannan, Joseph D.; Willyard, Richard A. | Vivant Medical, Inc. | Assignment of Assignor's Interest |
| Feb 11, 2015 Reel 34954, frame 447 | Vivant Medical, Inc. | Vivant Medical LLC | Assignment of Assignor's Interest |
| Feb 11, 2015 Reel 34936, frame 620 | Vivant Medical LLC | Covidien LP | Change of Name |
| Feb 11, 2015 Reel 34936, frame 735 | Vivant Medical LLC | Covidien LP | Assignment of Assignor's Interest |
| Mar 12, 2015 Reel 35409, frame 352 | Vivant Medical, Inc. | Vivant Medical LLC | Corrective Assignment to Correct the Conveyance Type Previously Recorded at Reel: 034954 Frame: 0447. Assignor(S) Hereby Confirms the Change of Name. |
| Mar 12, 2015 Reel 35409, frame 331 | Vivant Medical LLC | Covidien LP | Corrective Assignment to Correct the Conveyance Type Previously Recorded at Reel: 034936 Frame: 0620. Assignor(S) Hereby Confirms the Merger. |
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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Alerts on its grants, lapses and transfers.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,945,113, ends no earlier than this term, so it caps nothing.
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2017 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.