Collateral for a security interest recorded Jul 29, 2008 (Kaupthing Bank HF).
Term ends Jun 28, 2029 · High confidence
20-year base term ended Dec 21, 2025
Held by Ossur HF
Filed Dec 21, 2005 as application 11/312,337 · Granted Mar 1, 2011
Base term plus 1285 days of patent term adjustment (USPTO delay)
Today
2005
2029
Clock starts
Dec 21, 2005
Dec 21, 2005
Term ends
Jun 28, 2029
Jun 28, 2029
Granted
Mar 1, 2011
Mar 1, 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
1,285
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.
11
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 1285 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 21, 2005, when this application, 11/312,337, was filed | Dec 21, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1285 days, USPTO patent term adjustment record | Jun 28, 2029 | 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 | Jun 28, 2029 | High confidence |
This family
| US 7,896,827 | this patent Jun 2029 | Jun 2029 |
| US 7,762,973 | Term ended Jan 2026 | Jan 2026 |
| Application PCT/US2008/003237 | PCT application no patent term | no patent term |
| US 9,220,622 | Lapsed on the fee record Dec 2023 | Dec 2023 |
| US 8,216,170 | Lapsed on the fee record Jul 2024 | Jul 2024 |
| US 8,425,441 | Lapsed on the fee record Apr 2025 | Apr 2025 |
| US 8,585,623 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 8,267,879 | Lapsed on the fee record Sep 2024 | Sep 2024 |
8 of 11 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Dec 21, 2005 Reel 17406, frame 848 | Ingimundarson, Arni Thor; Einarsson, Palmi | Ossur HF | Assignment of Assignor's Interest |
| Jul 29, 2008 Reel 21301, frame 599 | Ossur HF | Kaupthing Bank HF | Assignment of Assignor's Interest |
| Feb 25, 2009 Reel 22299, frame 936 | Ossur HF | Kaupthing Bank HF | Corrective Assignment to Correct the Nature of Conveyance from "Assignment of Assignor's Interest" to "Security Agreement." Previously Recorded on Reel 021301 Frame 0599. Assignor(S) Hereby Confirms the Security Agreement. |
| May 18, 2011 Reel 26298, frame 151 | Arion Bank HF | Ossur HF | Release of 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
Jun 2029
Term ends Jun 28, 2029. No further fees fall due before then
Note
The 1285 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
240
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.