Also listed on Theranova, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Feb 27, 2025 (Kreos Capital VII (UK) Limited).
Term ends May 7, 2030 · High confidence
20-year base term ended Aug 18, 2024
Held by Dsrco B.V.
Filed Aug 18, 2004 as application 10/922,478 · Granted Jun 19, 2012
Base term plus 2088 days of patent term adjustment (USPTO delay)
Today
2004
2030
Clock starts
Aug 18, 2004
Aug 18, 2004
Term ends
May 7, 2030
May 7, 2030
Granted
Jun 19, 2012
Jun 19, 2012
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
2,088
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.
4
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 2088 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 Aug 18, 2004, when this application, 10/922,478, was filed | Aug 18, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +2088 days, USPTO patent term adjustment record | May 7, 2030 | 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 | May 7, 2030 | High confidence |
This family
| US 8,202,248 | this patent May 2030 | May 2030 |
| US 9,138,523 | Term ended Sep 2025 | Sep 2025 |
| US 10,398,824 | Term ended Sep 2025 | Sep 2025 |
| US 11,839,712 | In force Aug 2027 | Aug 2027 |
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 31, 2005 Reel 16228, frame 851 | Burnett, Daniel R.; Hall, Gregory W. | Theranova, LLC | Assignment of Assignor's Interest |
| May 24, 2006 Reel 17668, frame 622 | Theranova, LLC | Novashunt, Inc. | Assignment of Assignor's Interest |
| Jan 18, 2007 Reel 18788, frame 403 | Burnett, Daniel R. | Theranova LLC | Assignment of Assignor's Interest |
| Nov 13, 2007 Reel 20103, frame 272 | Novashunt, Inc. | Novashunt AG | Assignment of Assignor's Interest |
| Jul 22, 2011 Reel 26638, frame 365 | Novashunt AG | Sequana Medical AG | Change of Name |
| Sep 28, 2016 Reel 39884, frame 368 | Sequana Medical AG | Bootstrap Europe S.C.SP. | Security Interest |
| Jun 9, 2019 Reel 49414, frame 245 | Sequana Medical AG | Sequana Medical N.V. | Change of Name |
| Jul 31, 2020 Reel 53375, frame 176 | Bootstrap Europe S.C.SP. | Sequana Medical N.V. | Release of Security Interest |
| Sep 25, 2024 Reel 69049, frame 129 | Sequana Medical N.V. | Kreos Capital VII (UK) Limited | Security Interest |
| Feb 24, 2025 Reel 70308, frame 171 | Sequana Medical N.V. | Dsrco B.V. | Assignment of Assignor's Interest |
| Feb 27, 2025 Reel 70356, frame 934 | Dsrco B.V. | Kreos Capital VII (UK) Limited | 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.
What's changing
May 2030
Term ends May 7, 2030. No further fees fall due before then
Note
The 2088 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
129
later US patents cite this one
That is top 5% of utility patents granted in 2012 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.