Term ended Mar 30, 2025 · Medium confidence
20-year base term ended Mar 30, 2025
Why Medium: A parent in the chain could not be resolved.
Held by Valinge Innovation AB
Filed Aug 10, 2007 as application 11/889,351 · Granted Nov 30, 2010
Base term, 20 years from filing
Today
Term ended Mar 30, 2025
2005
2026
Clock starts
Mar 30, 2005
Mar 30, 2005
Term ended
Mar 30, 2025
Mar 30, 2025
Granted
Nov 30, 2010
Nov 30, 2010
base term
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
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.
23
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. 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 Mar 30, 2005, when application 11/092,748, the earliest non-provisional in its chain, was filed (this one was filed Aug 10, 2007); a parent in its chain could not be resolved (the next row) | Mar 30, 2025 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Mar 30, 2025 | Medium confidence |
This family
| US 7,841,144 | In force Jan 2028 | Jan 2028 |
| US 7,866,110 | Term ended Mar 2025 | Mar 2025 |
| US 7,841,145 | this patent Mar 2025 | Mar 2025 |
| US 8,042,311 | Term ended Mar 2025 | Mar 2025 |
| US 8,341,915 | In force Jan 2029 | Jan 2029 |
| US 7,634,884 | Term ended Mar 2025 | Mar 2025 |
| US 8,381,477 | Term ended Oct 2025 | Oct 2025 |
| US 8,079,196 | Term ended Mar 2025 | Mar 2025 |
8 of 23 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 |
|---|---|---|---|
| Jan 23, 2008 Reel 20405, frame 904 | Pervan, Darko; Bergelin, Marcus | Valinge Innovation AB | Assignment of Assignor's Interest |
| Aug 24, 2010 Reel 24878, frame 473 | Pervan, Darko; Hakansson, Niclas; Nygren, Per | Valinge Innovation AB | 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
260
later US patents cite this one
That is top 5% of utility patents granted in 2010 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.