7 patents currently held
19 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.
2 more records may belong here and await a decision; they are not counted.
The next term ends in Dec 2026. from the record
Of the 19 now held by other companies, 14 name Axon Networks Inc. as their current owner, and 5 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
1
Ending by 2030
Dec 2026
Next term end
7
Patent families
When these terms end
Held patents by the year their term ends
notable patents
all others
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: 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 Mar 2032 · High confidence
Also notable
Ends Dec 2026 · High confidence
Also notable
Ends Sep 2037 · High confidence
System and method for fault isolation in a packet switching network
US 8,867,335
The most cited patent in this portfolio, cited by 44 later US patents, top 25% of utility patents granted in 2014 in our data. Protection runs to 2032.
System and Method for Adapting to a Change in Constellation Density While Receiving a Signal
US 7,522,679
Renewed at every maintenance window since the 2009 grant; no more fees are due before its term ends in 2026.
System and Method for Remote Maintenance
US 10,616,039
The newest of the three, granted 2020. It anchors the portfolio to 2037, later than anything else here.
Formerly held, still cited
Notable
Ends Sep 2034 · High confidence
Cited by 15 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 2034.
now held by J&J Flooring Group, LLC
Also notable
Ends Mar 2034 · High confidence
Cited by 13 later US patents, top 25% of utility patents granted in 2019 in our data, and renewed at 2 of 3 maintenance windows. Protection runs to 2034.
now held by Axon Networks Inc.
Also notable
Ends Aug 2035 · High confidence
Cited by 8 later US patents, top 25% of utility patents granted in 2020 in our data. Protection runs to 2035.
now held by Axon Networks Inc.
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 Apr 22, 2027The maintenance fee for Optical Line Terminal and Method for Managing Passive Optical Network Implemented Thereon (US 10,454,584) comes due Apr 22, 2027. Unpaid by Oct 22, 2027, it lapses early.
- 1 fee due Jun 24, 2027The maintenance fee for Optical Line Terminal for Providing Management Function Emulating Virtual Chassis Switch for Fiber Local Area Network System (US 10,516,921) comes due Jun 24, 2027. Unpaid by Dec 27, 2027, it lapses early.
- 1 fee due Oct 7, 2027The maintenance fee for System and Method for Remote Maintenance (US 10,616,039) comes due Oct 7, 2027. Unpaid by Apr 7, 2028, it lapses early.
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.
| System and Method for Remote Maintenance | 1 in force | to Sep 2037 |
| System and Method for Adapting to a Change in Constellation Density While Receiving a Signal | 1 in force | to Dec 2026 |
Patents held now
Soonest term end first.
Showing 1 to 7 of 7
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,522,679 | System and Method for Adapting to a Change in Constellation Density While Receiving a Signal In force · High confidence | In force | High confidence | |
| US 8,867,335 | System and method for fault isolation in a packet switching network In force · High confidence | In force | High confidence | |
| US 10,616,039 | System and Method for Remote Maintenance In force · High confidence | In force | High confidence | |
| US 10,516,921 | Optical Line Terminal for Providing Management Function Emulating Virtual Chassis Switch for Fiber Local Area Network System In force · High confidence | In force | High confidence | |
| US 10,454,584 | Optical Line Terminal and Method for Managing Passive Optical Network Implemented Thereon In force · High confidence | In force | High confidence | |
| US 11,476,965 | Optical Line Terminal In force · High confidence | In force | High confidence | |
| US 11,646,791 | Passive Optical Network Systems In force · High confidence | In force | High confidence |
Also on record, not counted in the 7: 19 patents in force now held by others · 16 patents ended · 5 applications pending · 6 applications 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.