Also listed on Dye Precision, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 15, 2027 · High confidence
20-year base term ended Oct 26, 2025
Held by FX Airguns AB
Filed Oct 26, 2005 as application 11/258,100 · Granted Aug 4, 2009
Base term plus 566 days of patent term adjustment (USPTO delay)
Today
2005
2027
Clock starts
Oct 26, 2005
Oct 26, 2005
Term ends
May 15, 2027
May 15, 2027
Granted
Aug 4, 2009
Aug 4, 2009
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
566
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.
4
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 566 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 Oct 26, 2005, when this application, 11/258,100, was filed | Oct 26, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +566 days, USPTO patent term adjustment record | May 15, 2027 | 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 | May 15, 2027 | High confidence |
This family
| US 7,568,478 | this patent May 2027 | May 2027 |
| US 8,171,925 | Lapsed on the fee record May 2020 | May 2020 |
| US 8,820,307 | Lapsed on the fee record Sep 2022 | Sep 2022 |
| Application 14/475,142 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| Aug 14, 2007 Reel 19697, frame 268 | FX Airguns AB | Dye Precision, Inc. | Assignment of Assignor's Interest |
| Feb 11, 2008 Reel 20494, frame 41 | Hedberg, Daniel | FX Development AB | Assignment of Assignor's Interest |
| Feb 11, 2008 Reel 20500, frame 568 | FX Development AB | FX Airguns AB | Assignment of Assignor's Interest |
| Mar 6, 2015 Reel 35154, frame 546 | Dye Precision, Inc. | Knobbe, Martens, Olson & Bear, LLP | Security Interest |
| Oct 30, 2020 Reel 54269, frame 80 | Knobbe, Martens, Olson & Bear, LLP | Dye Precision, Inc. | Release of Security 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.
What's changing
May 2027
Term ends May 15, 2027. No further fees fall due before then
Note
The 566 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
69
later US patents cite this one
That is top 10% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.