Term ends Nov 18, 2030 · High confidence
20-year base term ends Feb 16, 2030
Held by Sonova AG
Filed Dec 21, 2015 as application 14/977,205 · Granted Dec 17, 2019
Base term plus 275 days of patent term adjustment (USPTO delay)
Today
2010
2030
Clock starts
Feb 16, 2010
Feb 16, 2010
Term ends
Nov 18, 2030
Nov 18, 2030
Granted
Dec 17, 2019
Dec 17, 2019
base term
patent term adjustment
fee events
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
275
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 275 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 16, 2010, when application PCT/AU2010/000161, the earliest non-provisional in its chain, was filed (this one was filed Dec 21, 2015) | Feb 16, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +275 days, USPTO patent term adjustment record | Nov 18, 2030 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 18, 2030 | High confidence |
This family
| US 9,253,583 | In force Dec 2031 | Dec 2031 |
| US 10,511,921 | this patent Nov 2030 | Nov 2030 |
| Application 16/716,349 | Abandoned not computed | not computed |
| Application 17/103,754 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Nov 14, 2019 Reel 51014, frame 433 | Blamey, Peter John; Smith, Henry Carter; Wright, David | Blamey & Saunders Hearing Pty Ltd. | Assignment of Assignor's Interest |
| Nov 14, 2019 Reel 51014, frame 479 | Blamey & Saunders Hearing Pty Ltd. | Sonova AG | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2030
Term ends Nov 18, 2030. Maintenance fees still fall due before then
Note
The 275 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is above the median of utility patents granted in 2019 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.