Term ends May 29, 2036 · High confidence
20-year base term ends May 18, 2036
Held by Cochlear Limited
Filed Feb 8, 2021 as application 17/170,585 · Granted Oct 17, 2023
Base term plus 11 days of patent term adjustment (USPTO delay)
Today
2016
2036
Clock starts
May 18, 2016
May 18, 2016
Term ends
May 29, 2036
May 29, 2036
Granted
Oct 17, 2023
Oct 17, 2023
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
11
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 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 11 days past its 20-year base term on prosecution delay. 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 May 18, 2016, when application 15/158,225, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2021) | May 18, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +11 days, USPTO patent term adjustment record | May 29, 2036 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 29, 2036 | High confidence |
This family
| US 9,872,115 | In force May 2036 | May 2036 |
| US 10,880,662 | In force May 2036 | May 2036 |
| US 10,917,730 | In force May 2036 | May 2036 |
| US 11,792,586 | this patent May 2036 | May 2036 |
| US 12,137,326 | In force no later than May 2036 | no later than May 2036 |
| Application 18/935,847 | Pending not computed | not computed |
6 of 7 applications in this family shown, earliest filings first. 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
May 2036
Term ends May 29, 2036. Maintenance fees still fall due before then
Note
The 11 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
9
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.