Three patents currently held, every record listed here
2 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.
1 more record may belong here and awaits a decision; it is not counted.
The next term ends in Feb 2031. from the record
Of the 2 now held by other companies, 2 name Advantech Satellite Networks Inc. as their current owner. Each row says so.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Feb 2031
Next term end
3
Patent families
When these terms end
Each bar runs from grant to computed term end. 2009 to 2031.
US 9,118,118
Increased Gain in an Array Antenna Through Optimal Suspension of Piece-Wise Linear Conductors
Aug 18, 2031
20142019202420292031
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 Jun 2031 · High confidence
Also notable
Ends Aug 2031 · High confidence
Also notable
Ends Feb 2031 · High confidence
Optimal Loading for Increased Gain in an Array Antenna
US 9,362,625
Granted 2016 and renewed at every maintenance window due so far. Protection runs to 2031.
Increased Gain in an Array Antenna Through Optimal Suspension of Piece-Wise Linear Conductors
US 9,118,118
Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2031.
Spherical Perturbation of an Array Antenna
US 9,054,425
Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2031.
Formerly held, still cited
Notable
Ends Jan 2027 · High confidence
The most cited patent in this portfolio, cited by 55 later US patents, top 25% of utility patents granted in 2009 in our data. Protection runs to 2027.
now held by Advantech Satellite 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 Dec 9, 2026The maintenance fee for Spherical Perturbation of an Array Antenna (US 9,054,425) comes due Dec 9, 2026. Unpaid by Jun 9, 2027, it lapses early.
- 1 fee due Feb 25, 2027The maintenance fee for Increased Gain in an Array Antenna Through Optimal Suspension of Piece-Wise Linear Conductors (US 9,118,118) comes due Feb 25, 2027. Unpaid by Aug 25, 2027, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
What they patent
Grouped by real patent family, largest first, labeled by the earliest filing in each. No technology classification is inferred from titles.
| Increased Gain in an Array Antenna Through Optimal Suspension of Piece-Wise Linear Conductors | 1 in force | to Aug 2031 |
| Optimal Loading for Increased Gain in an Array Antenna | 1 in force | to Jun 2031 |
| Spherical Perturbation of an Array Antenna | 1 in force | to Feb 2031 |
Patents held now
Soonest term end first.
Showing 1 to 3 of 3
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,054,425 | Spherical Perturbation of an Array Antenna In force · High confidence | In force | High confidence | |
| US 9,362,625 | Optimal Loading for Increased Gain in an Array Antenna In force · High confidence | In force | High confidence | |
| US 9,118,118 | Increased Gain in an Array Antenna Through Optimal Suspension of Piece-Wise Linear Conductors In force · High confidence | In force | High confidence |
Also on record, not counted in the 3: 2 patents in force now held by others · 19 patents ended · 9 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.