Lapsed Sep 18, 2024 on the fee record · High confidence
20-year base term ends Sep 12, 2027
Third maintenance fee unpaid; grace period ended.
Held by Aker Solutions As
Filed Jul 7, 2009 as application 12/441,046 · Granted Sep 18, 2012
Base term, 20 years from filing, plus 679 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 18, 2024
2007
2029
Clock starts
Sep 12, 2007
Sep 12, 2007
No longer in force
Sep 18, 2024
Sep 18, 2024
Granted
Sep 18, 2012
Sep 18, 2012
Term would have run to
Jul 22, 2029
Jul 22, 2029
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
679
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
3
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jul 22, 2029: its 20-year base term plus 679 days of term adjustment for prosecution delay. 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 Sep 12, 2007, when application PCT/NO2007/000322, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2009) | Sep 12, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +679 days, USPTO patent term adjustment record | Jul 22, 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 | 2 of 3 maintenance fees paid | lapsed Sep 18, 2024 | High confidence |
| Computed term end | The steps above, in order | Sep 18, 2024 | High confidence |
This family
| US 8,269,449 | this patent Sep 2024 | Sep 2024 |
| US 8,872,467 | Grace period ended Sep 2027 | Sep 2027 |
2 of 3 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 |
|---|---|---|---|
| Jul 6, 2009 Reel 22914, frame 603 | Bjerknes, Ole-johan; Lund, Trygve | Aker Engineering & Technology As | Assignment of Assignor's Interest |
| May 9, 2018 Reel 46106, frame 658 | Aker Engineering & Technology As; Aker Engineering & Technology As | Aker Solutions As | Merger and 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 679 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2012 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.