Also listed on Confluent, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Feb 17, 2022 (JPMorgan Chase Bank, N.A.).
Term ends Oct 22, 2027 · High confidence
20-year base term ends Dec 15, 2026
Filed Dec 15, 2006 as application 11/611,748 · Granted May 17, 2011
Base term plus 311 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Dec 15, 2006
Dec 15, 2006
Term ends
Oct 22, 2027
Oct 22, 2027
Granted
May 17, 2011
May 17, 2011
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
311
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.
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 runs 311 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 Dec 15, 2006, when this application, 11/611,748, was filed | Dec 15, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +311 days, USPTO patent term adjustment record | Oct 22, 2027 | 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 | Oct 22, 2027 | High confidence |
This family
| US 7,942,847 | this patent Oct 2027 | Oct 2027 |
| US 8,568,648 | In force 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 |
|---|---|---|---|
| Oct 3, 2008 Reel 21635, frame 176 | 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
Oct 2027
Term ends Oct 22, 2027. No further fees fall due before then
Note
The 311 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
117
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.