Also listed on Cedar Point Communications, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Sep 5, 2024 (HPS Investment Partners, LLC).
Term ends Mar 5, 2033 · High confidence
20-year base term ends Mar 31, 2031
Filed Mar 31, 2011 as application 13/077,723 · Granted Oct 10, 2017
Base term plus 705 days of patent term adjustment (USPTO delay)
Today
2011
2033
Clock starts
Mar 31, 2011
Mar 31, 2011
Term ends
Mar 5, 2033
Mar 5, 2033
Granted
Oct 10, 2017
Oct 10, 2017
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
705
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.
This patent's term runs 705 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 31, 2011, when this application, 13/077,723, was filed | Mar 31, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +705 days, USPTO patent term adjustment record | Mar 5, 2033 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Mar 5, 2033 | High confidence |
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 |
|---|---|---|---|
| Apr 1, 2011 Reel 26060, frame 867 | Miller, Paul, JR. | Cedar Point Communications, Inc. | Assignment of Assignor's Interest |
| Apr 1, 2011 Reel 26060, frame 870 | Cedar Point Communications, Inc. | Cedar Point Communications LLC | Change of Name |
| Dec 2, 2011 Reel 27315, frame 293 | Genbend US LLC (a Delaware LLC) | Comerica Bank (a Texas Banking Association), as Agent; Attn: National Documentation Services | Amended and Restated Intellectual Property Security Agreement |
| Sep 24, 2012 Reel 29014, frame 614 | Cedar Point Communications LLC | Genband US LLC | Merger |
| Jan 2, 2018 Reel 44978, frame 801 | Genband US LLC; Sonus Networks, Inc. | Silicon Valley Bank, As Administrative Agent | Security Interest |
| Mar 3, 2020 Reel 52076, frame 905 | Ribbon Communications Operating Company, Inc. | Citizens Bank, N.A., as Administrative Agent | Security Interest |
| Sep 21, 2020 Reel 53826, frame 602 | Genband US LLC | Ribbon Communications Operating Company, Inc. | Merger |
| 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 |
| Sep 5, 2024 Reel 68857, frame 290 | Ribbon Communications Operating Company, Inc. | HPS Investment Partners, LLC, as Administrative Agent | Short-Form Patents Security Agreement |
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
Mar 2033
Term ends Mar 5, 2033. Maintenance fees still fall due before then
Note
The 705 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
7
later US patents cite this one
That is above the median of utility patents granted in 2017 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.