Term ended Mar 25, 2025 · High confidence
20-year base term ended Jan 17, 2025
Held by Valmet Technologies, Inc.
Filed Jul 12, 2006 as application 10/585,752 · Granted Apr 7, 2009
Base term plus 67 days of patent term adjustment (USPTO delay)
Today
Term ended Mar 25, 2025
2005
2026
Clock starts
Jan 17, 2005
Jan 17, 2005
Term ended
Mar 25, 2025
Mar 25, 2025
Granted
Apr 7, 2009
Apr 7, 2009
base term
patent term adjustment
after the term ends
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
67
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.
44
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 67 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jan 17, 2005, when application PCT/SE2005/000035, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2006) | Jan 17, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +67 days, USPTO patent term adjustment record | Mar 25, 2025 | 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 25, 2025 | High confidence |
This family
| US 7,178,698 | Lapsed on the fee record Feb 2011 | Feb 2011 |
| US 7,033,069 | Lapsed on the fee record Apr 2010 | Apr 2010 |
| US 7,143,688 | Term ended Sep 2023 | Sep 2023 |
| US 7,727,133 | Lapsed on the fee record Jun 2018 | Jun 2018 |
| US 7,451,946 | Term ended Jun 2025 | Jun 2025 |
| US 7,198,216 | Term ended May 2024 | May 2024 |
| US 7,445,174 | Term ended Nov 2024 | Nov 2024 |
| US 7,513,451 | this patent Mar 2025 | Mar 2025 |
8 of 44 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 9, 2006 Reel 18514, frame 329 | Virving, Nils; Purolainen, Pertti; Holmsten, Lars | Metso Paper, Inc. | Assignment of Assignor's Interest |
| Mar 27, 2014 Reel 32551, frame 426 | Metso Paper, Inc. | Valmet Technologies, Inc. | Change of Name |
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
Note
The 67 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2009 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.