Collateral for a security interest recorded Nov 21, 2024 (BMO Bank N.A.).
Term ends Dec 7, 2026 · High confidence
20-year base term ended Dec 16, 2024
Filed Dec 16, 2004 as application 11/014,037 · Granted Jun 26, 2012
Base term plus 721 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Dec 16, 2004
Dec 16, 2004
Term ends
Dec 7, 2026
Dec 7, 2026
Granted
Jun 26, 2012
Jun 26, 2012
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
721
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.
This patent's term runs 721 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 16, 2004, when this application, 11/014,037, was filed | Dec 16, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +721 days, USPTO patent term adjustment record | Dec 7, 2026 | 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 7, 2026 | High confidence |
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 6, 2005 Reel 15525, frame 79 | Douglas, Gary; Regan, David; Srivastava, Nilendu; Suchdev, Rachana | Vascular Technology Incorporated | Assignment of Assignor's Interest |
| Aug 27, 2008 Reel 21445, frame 961 | Vascular Technology, Incorporated | Vascular Technology, Incorporated | Merger |
| Nov 21, 2024 Reel 69407, frame 576 | Vascular Technology, Incorporated | Bmo Bank N.a., As Collateral Agent | Patent Security Agreement |
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
Dec 2026
Term ends Dec 7, 2026. No further fees fall due before then
Note
The 721 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.