Collateral for a security interest recorded Oct 31, 2022 (Innovatus Life Sciences Lending Fund I, LP).
Term ended Nov 18, 2025 · High confidence
20-year base term ended Oct 20, 2024
Held by CVRX, Inc.
Filed Oct 20, 2004 as application 10/970,829 · Granted Jan 20, 2009
Base term plus 394 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 18, 2025
2004
2026
Clock starts
Oct 20, 2004
Oct 20, 2004
Term ended
Nov 18, 2025
Nov 18, 2025
Granted
Jan 20, 2009
Jan 20, 2009
base term
patent term adjustment
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
394
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.
6
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 394 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Oct 20, 2004, when this application, 10/970,829, was filed | Oct 20, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +394 days, USPTO patent term adjustment record | Nov 18, 2025 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 18, 2025 | High confidence |
This family
| US 7,480,532 | this patent Nov 2025 | Nov 2025 |
| Application 11/933,294 | Abandoned not computed | not computed |
| US 8,478,414 | Term ended Nov 2025 | Nov 2025 |
| US 8,224,437 | In force Dec 2026 | Dec 2026 |
| US 8,560,076 | Term ended Aug 2025 | Aug 2025 |
| US 8,755,907 | Term ended Oct 2024 | Oct 2024 |
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 8, 2005 Reel 15877, frame 642 | Kieval, Robert S.; Rossing, Martin | CVRX, Inc. | Assignment of Assignor's Interest |
| Oct 31, 2022 Reel 61824, frame 238 | CVRX, Inc. | Innovatus Life Sciences Lending Fund I, LP | Security Interest |
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
Note
The 394 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
313
later US patents cite this one
That is top 5% of utility patents granted in 2009 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.