Term ends Feb 5, 2031 · High confidence
20-year base term ends Nov 17, 2030
Held by GN Hearing A/S
Filed Nov 21, 2012 as application 13/683,737 · Granted Jan 27, 2015
Base term plus 157 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2010
2031
Clock starts
Nov 17, 2010
Nov 17, 2010
Term ends
Feb 5, 2031
Feb 5, 2031
Granted
Jan 27, 2015
Jan 27, 2015
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
157
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 8,337,305.
3 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.
9
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 157 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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 Nov 17, 2010, when application 12/947,874, the earliest non-provisional in its chain, was filed (this one was filed Nov 21, 2012) | Nov 17, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +157 days, USPTO patent term adjustment record | Apr 23, 2031 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,337,305) | capped to Feb 5, 2031 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 5, 2031 | High confidence |
This family
| US 8,337,305 | In force Feb 2031 | Feb 2031 |
| US 8,939,837 | this patent Feb 2031 | Feb 2031 |
| US 9,199,174 | In force Nov 2030 | Nov 2030 |
| US 9,744,451 | In force Nov 2030 | Nov 2030 |
| US 10,220,312 | In force Nov 2030 | Nov 2030 |
| US 10,821,359 | In force Nov 2030 | Nov 2030 |
| US 11,235,236 | In force Nov 2030 | Nov 2030 |
| US 11,850,506 | In force Nov 2030 | Nov 2030 |
8 of 9 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 21, 2012 Reel 29339, frame 82 | Aronzon, Michael | Steelseries APS | Assignment of Assignor's Interest |
| Jan 23, 2025 Reel 69988, frame 735 | Steelseries APS | GN Audio A/S | Nunc Pro Tunc Assignment |
| Mar 30, 2026 Reel 75299, frame 264 | Steel Series APS | Steel Series APS | Change of Address |
| Mar 30, 2026 Reel 75299, frame 257 | Steel Series APS | GN Audio A/S | Merger |
| Mar 30, 2026 Reel 75299, frame 271 | GN Audio A/S | GN Hearing A/S | Merger |
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
Feb 2031
Term ends Feb 5, 2031. No further fees fall due before then
Note
The 157 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 8,337,305.
Citations
5
later US patents cite this one
That is below the median of utility patents granted in 2015 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.