Term ends Oct 20, 2035 · High confidence
20-year base term ends Jul 21, 2035
Held by EndoChoice, Inc.
Filed Sep 14, 2023 as application 18/467,233 · Granted Dec 16, 2025
Base term plus 91 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
Jul 21, 2015
Jul 21, 2015
Term ends
Oct 20, 2035
Oct 20, 2035
Granted
Dec 16, 2025
Dec 16, 2025
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
91
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
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 91 days past its 20-year base term on prosecution delay. 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 Jul 21, 2015, when application 14/805,234, the earliest non-provisional in its chain, was filed (this one was filed Sep 14, 2023) | Jul 21, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +91 days, USPTO patent term adjustment record | Oct 20, 2035 | 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 | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 20, 2035 | High confidence |
This family
| US 10,258,222 | In force May 2037 | May 2037 |
| US 11,229,348 | In force Feb 2036 | Feb 2036 |
| US 11,883,004 | In force Dec 2035 | Dec 2035 |
| US 12,495,959 | this patent Oct 2035 | Oct 2035 |
| Application 19/392,741 | Pending not computed | not computed |
The applications whose file history this site holds. The family may have others.
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 2035
Term ends Oct 20, 2035. Maintenance fees still fall due before then
Note
The 91 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.