Term ends Jan 17, 2038 · High confidence
20-year base term ends Oct 14, 2036
Held by Medical Microinstruments, Inc.
Filed Aug 27, 2021 as application 17/459,372 · Granted Aug 26, 2025
Base term plus 1012 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2016
2038
Clock starts
Oct 14, 2016
Oct 14, 2016
Term ends
Jan 17, 2038
Jan 17, 2038
Granted
Aug 26, 2025
Aug 26, 2025
base term
patent term adjustment
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,012
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 12,472,021.
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.
5
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 1012 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Oct 14, 2016, when application PCT/EP2016/074808, the earliest non-provisional in its chain, was filed (this one was filed Aug 27, 2021) | Oct 14, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1012 days, USPTO patent term adjustment record | Jul 23, 2039 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,472,021) | capped to Jan 17, 2038 | 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 | Jan 17, 2038 | High confidence |
This family
| US 11,141,233 | In force Jan 2038 | Jan 2038 |
| US 12,390,287 | In force Jan 2039 | Jan 2039 |
| US 12,396,815 | this patent Jan 2038 | Jan 2038 |
| US 12,472,021 | In force Jan 2038 | Jan 2038 |
4 of 5 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 |
|---|---|---|---|
| Aug 27, 2021 Reel 57313, frame 558 | Simi, Massimiliano; Prisco, Giuseppe Maria | Medical Microinstruments S.P.A. | Assignment of Assignor's Interest |
| Dec 21, 2022 Reel 62184, frame 546 | Medical Microinstruments S.P.A. | Medical Microinstruments, Inc. | Change of Name |
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 2038
Term ends Jan 17, 2038. Maintenance fees still fall due before then
Note
The 1012 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 12,472,021.
Citations
2
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.