Term ends Feb 24, 2029 · High confidence
20-year base term ends Jul 3, 2028
Held by GN Store Nord A/S
Filed Jul 3, 2008 as application 12/167,342 · Granted Apr 12, 2011
Base term plus 236 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Jul 3, 2008
Jul 3, 2008
Term ends
Feb 24, 2029
Feb 24, 2029
Granted
Apr 12, 2011
Apr 12, 2011
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
236
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
67
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 236 days past its 20-year base term on prosecution delay. 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 Jul 3, 2008, when this application, 12/167,342, was filed | Jul 3, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +236 days, USPTO patent term adjustment record | Feb 24, 2029 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 24, 2029 | High confidence |
This family
| US 7,091,953 | Term ended Aug 2020 | Aug 2020 |
| US 7,091,955 | Term ended Jan 2021 | Jan 2021 |
| US 7,925,797 | this patent Feb 2029 | Feb 2029 |
| US 9,454,297 | In force Aug 2032 | Aug 2032 |
| US 8,719,714 | In force Feb 2033 | Feb 2033 |
| US 8,956,234 | In force Dec 2033 | Dec 2033 |
| US 9,762,961 | In force Jun 2034 | Jun 2034 |
| US 9,387,395 | In force Oct 2032 | Oct 2032 |
8 of 67 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 |
|---|---|---|---|
| Sep 18, 2008 Reel 21549, frame 358 | Wolff-petersen, Jacob | Steelseries HQ | Assignment of Assignor's Interest |
| Jun 1, 2012 Reel 28309, frame 863 | Wolff-petersen, Jacob | Steelseries APS | Corrective Assignment to Correct the Name of Assignee Previously Recorded on Reel 021549 Frame 0358. Assignor(S) Hereby Confirms the the Assignee Name Is Steelseries Aps. |
| Dec 15, 2025 Reel 73933, frame 514 | Steelseries APS | GN Store Nord A/S | Nunc Pro Tunc Assignment |
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.
What's changing
Feb 2029
Term ends Feb 24, 2029. No further fees fall due before then
Note
The 236 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
68
later US patents cite this one
That is top 10% of utility patents granted in 2011 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.