Also listed on BAE Systems Bofors AB, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Sep 20, 2028 · High confidence
20-year base term ended Sep 14, 2026
Held by Leonardo S.P.A.
Filed Nov 10, 2008 as application 12/093,220 · Granted Jan 17, 2012
Base term plus 737 days of patent term adjustment (USPTO delay)
Today
2006
2028
Clock starts
Sep 14, 2006
Sep 14, 2006
Term ends
Sep 20, 2028
Sep 20, 2028
Granted
Jan 17, 2012
Jan 17, 2012
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
737
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.
2
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 737 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 Sep 14, 2006, when application PCT/SE2006/001047, the earliest non-provisional in its chain, was filed (this one was filed Nov 10, 2008) | Sep 14, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +737 days, USPTO patent term adjustment record | Sep 20, 2028 | 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 | Sep 20, 2028 | High confidence |
This family
| US 8,097,838 | this patent Sep 2028 | Sep 2028 |
1 of 2 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 10, 2008 Reel 21812, frame 94 | Roenn, Torsten; Pettersson, Thomas; Heiche, Ulf | BAE Systems Bofors AB | Assignment of Assignor's Interest |
| Mar 16, 2025 Reel 70524, frame 321 | BAE Systems Bofors AB | Leonardo S.P.A. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Sep 2028
Term ends Sep 20, 2028. No further fees fall due before then
Note
The 737 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.