19 patents currently held

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 Apr 2032. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Apr 2032

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029203020312032 2033 2034 2035203620372038203920402041 2042204320442045

notable patents fee due within 90 days 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. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Utility Grid Control Using a Dynamic Power Flow Model US 11,099,537

The most cited patent in this portfolio, cited by 26 later US patents, top 5% of utility patents granted in 2021 in our data. Protection runs to 2039.

Ends Nov 2039 · High confidence Also notable

Metering Optimal Sampling US 8,933,585

Renewed at every maintenance window since the 2015 grant; no more fees are due before its term ends in 2034.

Ends Apr 2034 · High confidence Also notable

Cascade Adaptive Regulator Tap Manager Method and System US 9,106,078

Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2033.

Ends Jul 2033 · High confidence

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 Jan 25, 2027
The maintenance fee for Utility Grid Control Using a Dynamic Power Flow Model (US 11,709,470) comes due Jan 25, 2027. Unpaid by Jul 26, 2027, it lapses early.
1 fee due Feb 11, 2027
The maintenance fee for Cascade Adaptive Regulator Tap Manager Method and System (US 9,106,078) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
1 fee due Apr 20, 2027
The maintenance fee for Augmented Mesh Delivery System (US 9,163,963) comes due Apr 20, 2027. Unpaid by Oct 20, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026

What they patent

The 5 largest of its 12 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Distance-To-Fault Power Outage Notification	4 in force	to Jun 2042
Optimal Power Flow Control via Dynamic Power Flow Modeling	2 in force	to Mar 2041
Utility Grid Control Using a Dynamic Power Flow Model	2 in force	to Nov 2039
Metering Optimal Sampling	2 in force	to Jun 2035
Cascade Adaptive Regulator Tap Manager Method and System	2 in force	to Jan 2034

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 8,676,396	Mesh Delivery System In force Term ends Apr 10, 2032 · High confidence	In force	Term ends Apr 10, 2032	High confidence
US 9,163,963	Augmented Mesh Delivery System In force Term ends Mar 14, 2033 · High confidence	In force	Term ends Mar 14, 2033	High confidence
US 9,106,078	Cascade Adaptive Regulator Tap Manager Method and System In force Term ends Jul 20, 2033 · High confidence	In force	Term ends Jul 20, 2033	High confidence
US 9,785,167	Cascade Adaptive Regulator Tap Manager Method and System In force Term ends Jan 13, 2034 · High confidence	In force	Term ends Jan 13, 2034	High confidence
US 8,847,570	Line Drop Compensation Methods and Systems In force Term ends Apr 29, 2034 · High confidence	In force	Term ends Apr 29, 2034	High confidence
US 8,933,585	Metering Optimal Sampling In force (reinstated) Term ends Apr 30, 2034 · High confidence	In force (reinstated)	Term ends Apr 30, 2034	High confidence
US 9,702,730	Systems and Methods for Estimating Conservation Allocation with Partial Ami In force Term ends Feb 26, 2035 · High confidence	In force	Term ends Feb 26, 2035	High confidence
US 9,685,787	Metering Optimal Sampling In force Term ends Jun 12, 2035 · High confidence	In force	Term ends Jun 12, 2035	High confidence
US 10,015,184	Emulating Regulating Device to Detect Utility Grid Intrusions In force Term ends Sep 6, 2037 · High confidence	In force	Term ends Sep 6, 2037	High confidence
US 10,110,976	Systems and Methods for System Measurements Integrity Determination In force Term ends Oct 9, 2037 · High confidence	In force	Term ends Oct 9, 2037	High confidence

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 patents

Also on record, not counted in the 19: 11 patents ended · 10 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.

Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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