Lapsed Aug 9, 2023 on the fee record · High confidence
20-year base term ended Mar 22, 2025
Third maintenance fee unpaid; grace period ended.
Held by Flash Networks Ltd.
Filed Mar 22, 2005 as application 11/086,631 · Granted Aug 9, 2011
Base term, 20 years from filing, plus 589 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 9, 2023
2005
2026
Clock starts
Mar 22, 2005
Mar 22, 2005
No longer in force
Aug 9, 2023
Aug 9, 2023
Granted
Aug 9, 2011
Aug 9, 2011
Term would have run to
Nov 1, 2026
Nov 1, 2026
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
589
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.
4
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 Nov 1, 2026: its 20-year base term plus 589 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 Mar 22, 2005, when this application, 11/086,631, was filed | Mar 22, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +589 days, USPTO patent term adjustment record | Nov 1, 2026 | 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 Aug 9, 2023 | High confidence |
| Computed term end | The steps above, in order | Aug 9, 2023 | High confidence |
This family
| US 7,995,506 | this patent Aug 2023 | Aug 2023 |
| US 8,869,030 | Lapsed on the fee record Oct 2022 | Oct 2022 |
| US 8,972,518 | In force May 2029 | May 2029 |
| US 8,856,658 | Lapsed on the fee record Oct 2022 | Oct 2022 |
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 |
|---|---|---|---|
| Mar 22, 2005 Reel 16410, frame 92 | Kalish, Danny | Niragongo Ltd. | Assignment of Assignor's Interest |
| Apr 9, 2007 Reel 19130, frame 305 | Niragongo Ltd. | Unipier Mobile Ltd. | Assignment of Assignor's Interest |
| Jul 27, 2009 Reel 23003, frame 311 | Unipier Mobile Ltd. | Flash Networks Ltd. | Assignment of Assignor's Interest |
| Jul 14, 2014 Reel 33309, frame 712 | Flash Networks Ltd. | Kreos Capital IV (Expert Fund) Limited; Mizrahi Tefahot Bank, Ltd. | Security Interest |
| Jul 14, 2014 reel/frame not recorded | Flash Networks Ltd. | Kreos Capital IV (Expert Fund) Limited | Security Interest |
| Jul 14, 2014 reel/frame not recorded | Flash Networks Ltd. | Mizrahi Tefahot Bank, Ltd. | Security Interest |
| May 16, 2018 Reel 46172, frame 758 | Kreos Capital IV (Expert Fund) Limited | Flash Networks Ltd. | Release of Security Interest |
| May 16, 2018 Reel 46174, frame 432 | Flash Networks Ltd. | Mizrahi Tefahot Bank, Ltd. | Security Interest |
| Aug 3, 2020 Reel 53381, frame 675 | Mizrahi Tefahot Bank, Ltd. | Flash Networks Ltd. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
The 589 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
18
later US patents cite this one
That is above the median 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.