Collateral for a security interest recorded Feb 17, 2022 (JPMorgan Chase Bank, N.A.).
Term ends Dec 15, 2026 · High confidence
20-year base term ends Dec 15, 2026
Filed May 16, 2011 as application 13/108,868 · Granted Oct 29, 2013
Base term, 20 years from filing
Today
2006
2026
Clock starts
Dec 15, 2006
Dec 15, 2006
Term ends
Dec 15, 2026
Dec 15, 2026
Granted
Oct 29, 2013
Oct 29, 2013
base term
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.
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.
5
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. 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 Dec 15, 2006, when application 11/611,748, the earliest non-provisional in its chain, was filed (this one was filed May 16, 2011) | Dec 15, 2026 | 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 | 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 | Dec 15, 2026 | High confidence |
This family
| US 7,942,847 | In force Oct 2027 | Oct 2027 |
| US 8,568,648 | this patent Dec 2026 | Dec 2026 |
| US 9,833,600 | In force Dec 2026 | Dec 2026 |
| US 10,835,720 | In force Dec 2026 | Dec 2026 |
| US 11,311,702 | In force Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Aug 6, 2012 Reel 28729, frame 594 | Stupecky, Josef J.; Mabry, Eric | Interface Associates, Inc. | Assignment of Assignor's Interest |
| Aug 12, 2015 Reel 36309, frame 279 | Nitinol Devices and Components, Inc. | Regions Bank, as Administrative Agent and Collateral Agent | Security Interest |
| Mar 9, 2018 Reel 45163, frame 316 | Interface Associates, Inc. | Confluent Medical Technologies, Inc. | Assignment of Assignor's Interest |
| Dec 4, 2018 Reel 47671, frame 199 | Confluent Medical Technologies, Inc. | Regions Bank as Administrative Agent and Collateral Agent | Security Interest |
| Feb 10, 2020 Reel 51867, frame 779 | Regions Bank, As Administrative Agent | Confluent Medical Technologies, Inc. | Termination and Release of Security Interest in Intellectual Property |
| Feb 10, 2020 Reel 51867, frame 807 | Regions Bank, As Administrative Agent | Confluent Medical Technologies, Inc. (F/K/A Nitinol Devices and Components, Inc.) | Termination and Release of Security Interest in Intellectual Property |
| Feb 11, 2020 Reel 51882, frame 328 | Confluent Medical Technologies, Inc. | Regions Bank, As Administrative Agent | Notice of Grant of Security Interest in Patents |
| Feb 16, 2022 Reel 59129, frame 578 | Regions Bank | Confluent Medical Technologies, Inc. | Release (REEL 051882 / Frame 0328) |
| Feb 17, 2022 Reel 59172, frame 759 | Confluent Medical Technologies, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Security Agreement |
| Oct 31, 2022 Reel 61599, frame 663 | Confluent Medical Technologies, Inc. | Owl Rock Capital Corporation, as Collateral Agent | Security Interest |
| Mar 29, 2024 Reel 66948, frame 945 | Blue Owl Capital Corporation (F/K/A/ Owl Rock Capital Corporation) | Confluent Medical Technologies, Inc. | Release of Security Interest in Patents - 2L [R/F 061599/0663] |
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
Dec 2026
Term ends Dec 15, 2026. No further fees fall due before then
Citations
14
later US patents cite this one
That is above the median 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.