US 11,703,903 Method and apparatus for actively managing electric power over an electric power grid
4 defendants · 4 suits · updated October 6, 2026
Also cited as U.S. Patent No. 11,703,903 · US11703903B2 · US 11,703,903 B2 · 11703903 · the '903 patent
Causam Enterprises, Inc. has filed 4 patent-infringement suits on US 11,703,903, "Method and apparatus for actively managing electric power over an electric power grid" since May 26, 2026, all in the D. Md., against 4 distinct defendants including Baltimore Gas and Electric Company, Delmarva Power & Light Company and Potomac Electric Power Company. The patent was granted July 18, 2023 on a priority date of June 20, 2012. Its abstract opens: "Systems and methods for managing power supplied over an electric power grid by an electric utility and/or other market participants to multiple power consuming devices, each of which having a Power Supply Value (PSV) associated with its energy consumption…" The examiner cited 11 references during prosecution.
- Assignee
- Causam Enterprises Inc
- Priority date
- June 20, 2012
- Granted
- July 18, 2023
- Expires
- June 20, 2032
- Status
- Active
- Claims
- 29 (4 independent)
- Inventors
- Joseph W. Forbes, Jr.
- Full text
- Google Patents
The suits
4 cases · D. Md. (4)
| Filed | Defendant | Plaintiff | Court | Docket |
|---|---|---|---|---|
| 2026-05-26 | Baltimore Gas and Electric Company | Causam Enterprises, Inc. | D. Md. | 8:26-cv-02075 |
| 2026-05-26 | Delmarva Power & Light Company | Causam Enterprises, Inc. | D. Md. | 8:26-cv-02077 |
| 2026-05-26 | Potomac Electric Power Company | Causam Enterprises, Inc. | D. Md. | 8:26-cv-02072 |
| 2026-05-26 | Southern Maryland Electric Cooperative, Inc. | Causam Enterprises, Inc. | D. Md. | 8:26-cv-02076 |
Docket links open the public record on CourtListener. Filing dates are the complaint's.
Independent claims
What is actually asserted, verbatim.
Claim 1
1. A system for managing an electric power grid, comprising: a server, including a processor and a memory, wherein the server receives a power control command requiring a reduction of an amount of power consumed by at least one power consuming device; at least one client device in network communication with the server; wherein the server issues a power control message to the at least one client device in response to the power control command; wherein the power control message causes a reduction of a flow of power to the at least one power consuming device; wherein a power supply value (PSV) for the at least one power consuming device is generated at the server or the at least one client device; wherein the PSV is a value relating to a reduction in consumed power based on a measured participation of the at least one power consuming device in at least one load control event; wherein the measured participation of the at least one power consuming device is determined at the at least one client device and transmitted to the server in at least one participation message; and wherein the at least one client device includes at least one smart thermostat.
Claim 8
8. A system for managing an electric power grid, comprising: a server, including a processor and a memory, wherein the server receives a power control command requiring a reduction of an amount of power consumed by at least one power consuming device; at least one client device in network communication with the server; wherein the server issues a power control message to the at least one client device in response to the power control command; wherein the power control message causes a reduction of a flow of power to the at least one power consuming device; wherein the server or the at least one client device generates a power supply value (PSV) for the at least one power consuming device; wherein the PSV is an actual value including a reduction in consumed power based on measured participation of the at least one power consuming device in at least one load control event; wherein the measured participation of the at least one power consuming device is determined at the at least one client device and transmitted to the server in at least one participation message; and wherein the server generates a total energy savings for one of the at least one load control event based on the PSV for each of the at least one power consuming device.
Claim 15
15. A system for managing an electric power grid, comprising: a server, including a processor and a memory, wherein the server receives a power control command requiring a reduction of an amount of power consumed by at least one power consuming device; at least one client device in network communication with the server; wherein the server issues a power control message to the at least one client device in response to the power control command; wherein, based on the power control message, the at least one client device causes a reduction of a flow of power to the at least one power consuming device; wherein the server or the at least one client device generates a power supply value (PSV) for the at least one power consuming device; wherein the PSV is an actual value including a reduction in consumed power based on measured participation of the at least one power consuming device in at least one load control event; and wherein the at least one client device transmits an acknowledgement for participation of the at least one power consuming device in the at least one load control event in real time or near real time.
Claim 23
23. A system for managing an electric power grid, comprising: a server, including a processor and a memory, wherein the server receives a power control command requiring a reduction of power consumption by at least one power consuming device; at least one client device in network communication with the server; wherein the server issues a power control message to the at least one client device in response to the power control command; wherein, based on the power control message, the at least one client device causes a reduction of run-time cycles for the at least one power consuming device; wherein the server generates a power supply value (PSV) for the at least one power consuming device; wherein the PSV is an actual value including a reduction in the run-time cycles based on measured participation of the at least one power consuming device in at least one load control event; wherein the measured participation of the at least one power consuming device is determined at the at least one client device and transmitted to the server in at least one participation message; and wherein the reduction of the run-time cycles for the at least one power consuming device is based on user parameters for the at least one power consuming device in a customer profile associated with the at least one power consuming device.
Art before the examiner
338 references of record, 11 cited by the examiner.
Everything listed here was before the Office and is what a challenge must go beyond. Art the examiner never saw is where an invalidity search starts.
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Classification
- G05F1/66primary — Regulating electric power
- G05B15/02 — Systems controlled by a computer electric
- H02J2105/12 — Local stationary networks having a local or delimited stationary reach supplying households or buildings
- H02J3/14 — Arrangements for adjusting voltage in AC networks by changing a characteristic of the network load by switching loads on to, or off from, the networks, e.g. progressively balanced loading
- H02J3/32 — Arrangements for balancing of the load in networks by storage of energy using batteries or super capacitors with converting means
- H04L67/01 — Protocols
- H04L67/10 — Protocols in which an application is distributed across nodes in the network
- Y02B70/3225 — Demand response systems, e.g. load shedding, peak shaving
- Y02E40/70 — Smart grids as climate change mitigation technology in the energy generation sector
- Y02P90/84 — Greenhouse gas [GHG] management systems
- Y02P90/845 — Inventory and reporting systems for greenhouse gases [GHG]
- Y04S10/50 — Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S20/222 — Demand response systems, e.g. load shedding, peak shaving
Family
- US11703903B2 — B2 (2023)
- US20220179440A1 — A1 (2022)
- US20130345888A1 — A1 (2013)
- US9207698B2 — B2 (2015)
- US11899483B2 — B2 (2024)
- US20230359236A1 — A1 (2023)
- US11262779B2 — B2 (2022)
- US20220382312A1 — A1 (2022)
- US20190041887A1 — A1 (2019)
- US12386375B2 — B2 (2025)
- US10088859B2 — B2 (2018)
- US20150142201A1 — A1 (2015)
- US20250362700A1 — A1 (2025)
- 15 foreign family members: AU2013277072A1, CA3137831A1, EP2865064A4, MX2014016030A, ZA201409401B, MX341224B, WO2013192432A1, EP2865064B1, CA2877307C, AU2013277072B2, EP3226371A1, WO2013192432A4, KR20150024344A, EP2865064A1, CA2877307A1
Abstract
Systems and methods for managing power supplied over an electric power grid by an electric utility and/or other market participants to multiple power consuming devices, each of which having a Power Supply Value (PSV) associated with its energy consumption and/or reduction in consumption. Power flow to the power consuming devices is selectively enabled and disabled, or power-reduced thereto, by one or more controllable devices controlled by the client device. Power control messages from a controlling server indicate amounts of electric power to be reduced and an identification of at least one controllable device to be instructed to disable or reduce a flow of electric power to one or more associated power consuming devices.
Also asserted by Causam Enterprises, Inc.
- US 10,116,134 — Systems and methods for determining and utilizing customer energy profiles for load control for individual structures, devices, and aggregation of same (4 defendants)
- US 10,768,654 — Method and apparatus for actively managing electric power supply for an electric power grid (4 defendants)
- US 11,262,779 — Method and apparatus for actively managing electric power over an electric power grid (4 defendants)
- US 12,124,285 — System and methods for actively managing electric power over an electric power grid (4 defendants)
- US 12,386,375 — Method and apparatus for actively managing electric power over an electric power grid (4 defendants)
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