Seven patents currently held, every record listed here
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Mar 2029. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
5
Ending by 2030
Mar 2029
Next term end
7
Patent families
When these terms end
Each bar runs from grant to computed term end. 2011 to 2032.201520192023202720312032
A dotted end marks a recorded terminal disclaimer this site has not resolved: the term can only be shorter than the bar, never longer.
Every computed term in this portfolio is shown above.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
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Mar 2029 · High confidence
Also notable
Ends no later than Oct 2030 · Medium confidence
Also notable
Ends Mar 2030 · High confidence
Intelligent Call Routing
US 8,089,952
The most cited patent in this portfolio, cited by 224 later US patents, top 5% of utility patents granted in 2012 in our data. Protection runs to 2029.
Multi-Layer Stack Platform for Cloud Communications
US 8,171,160
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2030. A terminal disclaimer is on file and its reference is not resolved, so no cap is applied and the date may move earlier, never later.
Payment System for Paying Peering Partners in a Peering Arrangement
US 8,155,291
Renewed at every maintenance window since the 2012 grant; no more fees are due before its term ends in 2030.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
The 2 largest of its 7 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Multi-Layer Stack Platform for Cloud Communications | 1 in force | to Oct 2030 |
| Payment System for Paying Peering Partners in a Peering Arrangement | 1 in force | to Mar 2030 |
Patents held now
Soonest term end first.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,089,952 | Intelligent Call Routing In force · High confidence | In force | High confidence | |
| US 8,155,291 | Payment System for Paying Peering Partners in a Peering Arrangement In force · High confidence | In force | High confidence | |
| US 8,064,354 | Optimized Path Call Routing with Device Identifier In force · High confidence | In force | High confidence | |
| US 8,171,160 | Multi-Layer Stack Platform for Cloud Communications In force · Medium confidence | In force | Medium confidence | |
| US 8,325,891 | Anti-Looping for a Multigateway Multi-Carrier Network In force · High confidence | In force | High confidence | |
| US 8,411,832 | Wireless Call Routing in a Communication Peering Grid In force · High confidence | In force | High confidence | |
| US 8,443,104 | Routing Engine with Filtering Capabilities In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 4 patents ended · 1 application abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
2 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed