Lapsed Nov 21, 2021 on the fee record · High confidence
20-year base term ends Sep 6, 2036
First maintenance fee unpaid; grace period ended.
Held by Oticon A/S
Filed Sep 6, 2016 as application 15/257,295 · Granted Nov 21, 2017
Base term, 20 years from filing
Today
Lapsed Nov 21, 2021
2016
2036
Clock starts
Sep 6, 2016
Sep 6, 2016
No longer in force
Nov 21, 2021
Nov 21, 2021
Granted
Nov 21, 2017
Nov 21, 2017
Term would have run to
Sep 6, 2036
Sep 6, 2036
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
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.
2
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Sep 6, 2036: its 20-year base term, with no adjustment for prosecution delay. 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 Sep 6, 2016, when this application, 15/257,295, was filed | Sep 6, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | lapsed Nov 21, 2021 | High confidence |
| Computed term end | The steps above, in order | Nov 21, 2021 | High confidence |
This family
| US 9,826,319 | this patent Nov 2021 | Nov 2021 |
| US 10,200,796 | In force Sep 2036 | Sep 2036 |
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 |
|---|---|---|---|
| Oct 27, 2016 reel/frame not recorded | Guo, Meng; Kunzle, Bernhard | Oticon A/S | Assignment of Assignor's Interest |
| Oct 27, 2016 reel/frame not recorded | Guo, Meng; Kunzle, Bernhard | Bernafon AG | Assignment of Assignor's Interest |
| Oct 27, 2016 Reel 40146, frame 611 | Guo, Meng; Kunzle, Bernhard | Oticon A/S; Bernafon AG | Assignment of Assignor's Interest |
| Dec 2, 2019 Reel 51152, frame 756 | Bernafon AG | Oticon A/S | Assignment of Assignor's Interest |
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.
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Alerts on its grants, lapses and transfers.
Citations
10
later US patents cite this one
That is above the median of utility patents granted in 2017 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.