18 patents currently held
27 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Mar 2027. from the record
Of the 27 now held by other companies, 7 name Enhanced Data Streaming LLC as their current owner, and 20 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
8
Ending by 2030
Mar 2027
Next term end
9
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Feb 2036 · High confidence
Also notable
Ends May 2028 · High confidence
Also notable
Ends Dec 2029 · High confidence
A Method and System for Deep Packet Inspection in Software Defined Networks
US 10,652,111
Cited by 53 later US patents, top 5% of utility patents granted in 2020 in our data. Protection runs to 2036.
Virtual Private Lan Service Over Ring Networks
US 7,974,223
The most cited patent in this portfolio, cited by 89 later US patents, top 10% of utility patents granted in 2011 in our data. Protection runs to 2028.
Edge Optimized Transrating System
US 11,432,028
A family of 7 related applications built on the 2022 grant. Protection runs to 2029. A terminal disclaimer caps this term to an earlier patent's.
Formerly held, still cited
Notable
Ends Oct 2027 · High confidence
Cited by 74 later US patents, top 10% of utility patents granted in 2011 in our data, and renewed at 3 of 3 maintenance windows. Protection runs to 2027.
now held by Corrigent Corporation
Also notable
Ends Apr 2032 · High confidence
Cited by 17 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2032.
now held by Portsmouth Network Corporation
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 1 fee due Jul 9, 2027The maintenance fee for Method for Supporting SNCP Over Packet Network (US 11,870,487) comes due Jul 9, 2027. Unpaid by Jan 10, 2028, it lapses early.
- 1 fee due Nov 12, 2027The maintenance fee for A Method and System for Deep Packet Inspection in Software Defined Networks (US 10,652,111) comes due Nov 12, 2027. Unpaid by May 12, 2028, it lapses early.
Recent changes
- Sep 19Assignment recorded on 7 patents: Orckit IP LLC to High Iq Networks LLC Recorded Sep 19, 2026, executed Jan 21, 2026. Conveyance as recorded: Assignment of Assignor's Interest. A recorded assignment is a filed document, not a statement of current ownership. Reel 76496, frame 359.
- 1 of the patents on this record was granted since Aug 17, 2026
- 1 term has ended since Aug 17, 2026
What they patent
The 5 largest of its 9 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| A Method and System for Deep Packet Inspection in Software Defined Networks | 6 in force | to Feb 2036 |
| Method for Supporting SNCP Over Packet Network | 3 in force | to Apr 2031 |
| Edge Optimized Transrating System | 3 in force | to Dec 2029 |
| Method for Supporting MPLS Transport Path Recovery with Multiple Protection Entities | 1 in force | to Oct 2032 |
| Device, Method and System for Media Packet Distribution | 1 in force | to Feb 2030 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,478,382 | Synchronized Ring Software Download In force · High confidence | In force | High confidence | |
| US 7,545,740 | Two-Way Link Aggregation In force · High confidence | In force | High confidence | |
| US 7,974,223 | Virtual Private Lan Service Over Ring Networks In force · High confidence | In force | High confidence | |
| US 7,916,636 | Ring Network Aggregate Rates In force · High confidence | In force | High confidence | |
| US 10,904,602 | Edge Optimized Transrating System In force · High confidence | In force | High confidence | |
| US 11,412,282 | Edge Optimized Transrating System In force · High confidence | In force | High confidence | |
| US 11,432,028 | Edge Optimized Transrating System In force · High confidence | In force | High confidence | |
| US RE50,398 | Device, Method and System for Media Packet Distribution In force · Low confidence | In force | Low confidence | |
| US 11,870,487 | Method for Supporting SNCP Over Packet Network In force · High confidence | In force | High confidence | |
| US 12,095,499 | Method for Supporting SNCP Over Packet Network In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 18: 27 patents in force now held by others · 46 patents ended · 2 applications pending. 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.