Also listed on Kineto Wireless, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 22, 2030 · Medium confidence
20-year base term ends Sep 22, 2027
Why Medium: A parent in the chain could not be resolved.
Filed Oct 29, 2007 as application 11/927,552 · Granted Apr 3, 2012
Base term plus 973 days of patent term adjustment (USPTO delay)
Today
2007
2030
Clock starts
Sep 22, 2007
Sep 22, 2007
Term ends
May 22, 2030
May 22, 2030
Granted
Apr 3, 2012
Apr 3, 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
973
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 973 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. 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 22, 2007, when application 11/859,762, the earliest non-provisional in its chain, was filed (this one was filed Oct 29, 2007); a parent in its chain could not be resolved (the next row) | Sep 22, 2027 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +973 days, USPTO patent term adjustment record | May 22, 2030 | 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 22, 2030 | Medium confidence |
This family
| US 8,150,397 | this patent May 2030 | May 2030 |
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 |
|---|---|---|---|
| Aug 7, 2014 Reel 33492, frame 826 | Kineto Wireless, LLC | Business Development Corporation of America, as Administrative Agent | Notice of Grant of Security Interest in Intellectual Property |
| Sep 3, 2014 Reel 33656, frame 538 | Khetawat, Amit; Markovic, Milan; Gallagher, Michael D; Tao, Patrick; Gupta, Rajeev | Kineto Wireless, Inc. | Assignment of Assignor's Interest |
| Sep 17, 2014 Reel 33763, frame 534 | Kineto Wireless, Inc. | Kineto Wireless, LLC | Change of Name |
| Sep 28, 2016 Reel 40173, frame 114 | Business Development Corporation of America, as Administrative Agent | Kineto Wireless, LLC | Release of Security Interest |
| Oct 13, 2016 Reel 40351, frame 102 | Kineto Wireless, LLC | Sonus Networks, Inc. | Assignment of Assignor's Interest |
| Dec 24, 2017 Reel 44957, frame 213 | Sonus, Inc. | Sonus Networks, Inc. | Change of Name |
| Dec 24, 2017 Reel 44957, frame 243 | Solstice Sapphire, Inc.; Sonus Networks, Inc.; Sonus Networks, Inc. | Sonus, Inc. | Merger and Change of Name |
| Jan 2, 2018 Reel 44978, frame 801 | Genband US LLC; Sonus Networks, Inc. | Silicon Valley Bank, As Administrative Agent | Security Interest |
| Jan 16, 2019 Reel 48078, frame 36 | Sonus Networks, Inc. | Ribbon Communications Operating Company, Inc. | Change of Name |
| Mar 3, 2020 Reel 52076, frame 905 | Ribbon Communications Operating Company, Inc. | Citizens Bank, N.A., as Administrative Agent | Security Interest |
| Dec 6, 2021 Reel 58949, frame 497 | Silicon Valley Bank, As Administrative Agent | Ribbon Communications Operating Company, Inc. (F/K/A Genband US LLC and Sonus Networks, Inc.) | Termination and Release of Patent Security Agreement at R/F 044978/0801 |
| Jun 24, 2024 Reel 67822, frame 433 | Citizens Bank, N.a. | Ribbon Communications Operating Company, Inc. (F/K/A Genband US LLC and Sonus Networks, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
May 2030
Term ends May 22, 2030. No further fees fall due before then
Note
The 973 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
149
later US patents cite this one
That is top 5% 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.