Term ends Jun 11, 2038 · High confidence
20-year base term ends Feb 22, 2038
Held by Orthosoft Inc.
Filed Aug 30, 2021 as application 17/461,081 · Granted Jan 9, 2024
Base term plus 109 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Feb 22, 2018
Feb 22, 2018
Term ends
Jun 11, 2038
Jun 11, 2038
Granted
Jan 9, 2024
Jan 9, 2024
base term
patent term adjustment
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
109
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,129,681, to Jun 11, 2038. The term already ends on or before that date, so the cap shortened nothing.
0 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 109 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 3 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 Feb 22, 2018, when application 15/902,420, the earliest non-provisional in its chain, was filed (this one was filed Aug 30, 2021) | Feb 22, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +109 days, USPTO patent term adjustment record | Jun 11, 2038 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,129,681) | resolves to Jun 11, 2038, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2038 | High confidence |
This family
| US 11,129,681 | In force Dec 2039 | Dec 2039 |
| US 11,864,846 | this patent Jun 2038 | Jun 2038 |
| US 12,201,383 | In force Feb 2038 | Feb 2038 |
| US 12,708,456 | In force Feb 2038 | Feb 2038 |
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 |
|---|---|---|---|
| Aug 30, 2021 Reel 57329, frame 454 | Amiot, Louis-philippe; Couture, Pierre | Orthosoft Inc. | Assignment of Assignor's Interest |
| Aug 30, 2021 Reel 57364, frame 927 | Orthosoft Inc. | Orthosoft ULC | Continuance |
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 2038
Term ends Jun 11, 2038. Maintenance fees still fall due before then
Note
The 109 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,129,681, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 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.