Collateral for a security interest recorded Nov 6, 2009 (Kaupthing Bank HF).
Term ends Oct 13, 2030 · High confidence
20-year base term ends May 15, 2029
Held by Ossur HF
Filed Sep 21, 2009 as application 12/563,386 · Granted Aug 13, 2013
Base term plus 516 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
May 15, 2009
May 15, 2009
Term ends
Oct 13, 2030
Oct 13, 2030
Granted
Aug 13, 2013
Aug 13, 2013
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
516
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.
7
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 516 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 May 15, 2009, when application 12/466,577, the earliest non-provisional in its chain, was filed (this one was filed Sep 21, 2009) | May 15, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +516 days, USPTO patent term adjustment record | Oct 13, 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 | Oct 13, 2030 | High confidence |
This family
| US 8,002,724 | In force Jun 2029 | Jun 2029 |
| US 8,506,510 | this patent Oct 2030 | Oct 2030 |
| US 9,333,106 | In force May 2029 | May 2029 |
| US 9,492,301 | In force May 2029 | May 2029 |
| US 9,220,621 | In force May 2029 | May 2029 |
| US 9,468,553 | In force May 2029 | May 2029 |
| US 10,064,749 | In force May 2029 | May 2029 |
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 |
|---|---|---|---|
| Sep 21, 2009 Reel 23258, frame 667 | Hu, Irving; Lee, Jane | Ossur HF | Assignment of Assignor's Interest |
| Nov 6, 2009 Reel 23482, frame 538 | Ossur HF | Kaupthing Bank HF | Security Agreement |
| May 12, 2010 Reel 24461, frame 80 | Ossur HF | Kaupthing Bank HF | Corrective Assignment to Correct the Remove Serial No. 61/249,341; Correct Serial No. 12/577,018 to 12/578,018; Correct 29/243,450 Previously Recorded on Reel 023482 Frame 0538. Assignor(S) Hereby Confirms the Security Agreement. |
| Apr 19, 2011 Reel 26148, frame 450 | Arion Bank HF | Ossur HF | Release of Security Interest |
| May 18, 2022 Reel 60107, frame 854 | Ossur HF | Kaupthing Bank HF | Corrective Assignment to Correct the Patent Properties to Remove US 61/249,341 from the Security Agreement Previously Recorded at Reel: 023482 Frame: 0538. Assignor(S) Hereby Confirms the 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Oct 2030
Term ends Oct 13, 2030. No further fees fall due before then
Note
The 516 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
59
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.