Term ends Sep 28, 2027 · High confidence
20-year base term ended Apr 3, 2026
Held by Impact Vision LLC
Filed Apr 3, 2006 as application 11/396,843 · Granted Mar 1, 2011
Base term plus 543 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Apr 3, 2006
Apr 3, 2006
Term ends
Sep 28, 2027
Sep 28, 2027
Granted
Mar 1, 2011
Mar 1, 2011
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
543
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.
30
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 543 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 Apr 3, 2006, when this application, 11/396,843, was filed | Apr 3, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +543 days, USPTO patent term adjustment record | Sep 28, 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 | Sep 28, 2027 | High confidence |
This family
| Application 11/427,706 | Abandoned not computed | not computed |
| US 7,899,583 | this patent Sep 2027 | Sep 2027 |
| US 8,836,580 | In force Nov 2027 | Nov 2027 |
| US 8,896,485 | In force Jan 2029 | Jan 2029 |
| US 7,924,149 | Term ended May 2026 | May 2026 |
| US 8,866,673 | In force Jan 2028 | Jan 2028 |
| US 9,020,687 | Term ended Jul 2026 | Jul 2026 |
| US 8,941,485 | Term ended May 2026 | May 2026 |
8 of 30 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 |
|---|---|---|---|
| May 19, 2014 Reel 32926, frame 104 | Mendelson, Ehud | Gamba Group Limited | Assignment of Assignor's Interest |
| Oct 6, 2019 Reel 50633, frame 943 | Gamba Group Limited | Blue Umbrella LLC | Assignment of Assignor's Interest |
| Nov 29, 2023 Reel 65702, frame 137 | Blue Umbrella LLC | Gamba Group Holdings LLC | Assignment of Assignor's Interest |
| Nov 20, 2025 Reel 72975, frame 747 | Gamba Group Holdings LLC | Impact Vision LLC | 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.
What's changing
Sep 2027
Term ends Sep 28, 2027. No further fees fall due before then
Note
The 543 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
120
later US patents cite this one
That is top 5% of utility patents granted in 2011 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.