Term ends Jan 24, 2034 · High confidence
20-year base term ends Jan 24, 2034
Held by Ossur HF
Filed Jan 19, 2022 as application 17/578,944 · Granted Oct 7, 2025
Base term plus 823 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2014
2034
Clock starts
Jan 24, 2014
Jan 24, 2014
Term ends
Jan 24, 2034
Jan 24, 2034
Granted
Oct 7, 2025
Oct 7, 2025
base term
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
823
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,393,144, US 9,795,500.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 823 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 maintenance fees are paid so far. 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 Jan 24, 2014, when application 14/162,958, the earliest non-provisional in its chain, was filed (this one was filed Jan 19, 2022) | Jan 24, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +823 days, USPTO patent term adjustment record | Apr 26, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,393,144, US 9,795,500) | capped to Jan 24, 2034 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 24, 2034 | High confidence |
This family
| US 9,393,144 | In force Jan 2034 | Jan 2034 |
| US 9,795,500 | In force Jan 2034 | Jan 2034 |
| US 9,554,935 | In force Jan 2034 | Jan 2034 |
| US 10,357,391 | In force Apr 2036 | Apr 2036 |
| US 9,468,554 | In force Jan 2034 | Jan 2034 |
| Application PCT/US2016/043505 | PCT application no patent term | no patent term |
| US 11,259,948 | In force Jan 2034 | Jan 2034 |
| US 12,433,778 | this patent Jan 2034 | Jan 2034 |
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 19, 2022 Reel 58696, frame 834 | Ingiumundarson, Arni Thor; Ingvarsson, Thorvaldur; Bakken, Nina; Petursson, Valgeir; Palsdottir, Helga Run; Stefansson, Thorleifur; Kristinsdottir, Hronn; Stefansson, Stefan Orn; Hsu, Henry | Ossur HF | Assignment of Assignor's Interest |
| Jan 28, 2022 Reel 58891, frame 856 | Ingimundarson, Arni Thor; Ingvarsson, Thorvaldur; Bakken, Nina; Petursson, Valgeir; Palsdottir, Helga Run; Stefansson, Thorleifur; Kristinsdottir, Hronn; Stefansson, Stefan Orn; Hsu, Henry | Ossur HF | Corrective Assignment to Correct the Misspelled Inventor Name Ingimundarson Previously Recorded at Reel: 058696 Frame: 0834. Assignor(S) Hereby Confirms the Assignment. |
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
Jan 2034
Term ends Jan 24, 2034. Maintenance fees still fall due before then
Note
The 823 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,393,144, US 9,795,500.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.