Defendant

Evergy Missouri West, Inc.

4 cases as defendant.

Company profile

Evergy Missouri West, Inc., often referred to as Evergy Missouri West, is an integrated, regulated electric utility headquartered in Kansas City, Missouri. It operates as a wholly-owned subsidiary of Evergy, Inc. (NASDAQ: EVRG), a public utility holding company incorporated in 2017. Evergy, Inc. serves approximately 1.7 million customers across Kansas and Missouri, with a generating capacity of about 14,700 MW. As of December 2023, Evergy, Inc. reported 4,658 employees, a market capitalization of $19 billion, and a trailing 12-month revenue of $5.96 billion as of December 2025.

Evergy Missouri West, Inc. provides electricity generation, transmission, distribution, and sale of electricity to customers within its service territory in Missouri. The parent company, Evergy, Inc., focuses on delivering clean, safe, and reliable energy, with half of its power supplied from clean sources, and is a significant provider of wind energy in the US.

In terms of patent litigation, Evergy Missouri West, Inc. primarily holds a defensive posture. The company has been a defendant in one tracked case and has no recorded instances as a plaintiff. This indicates that it operates as a company defending against patent assertions rather than an entity actively asserting a patent portfolio.

The company's sole tracked patent litigation case is Midwest Energy Emissions Corp. et al. v. Berkshire Hathaway Energy Company et al., where Evergy Missouri West, Inc. is listed as a defendant. This case was filed in the Southern District of Iowa in July 2024.

Midwest Energy Emissions Corp. et al. v. Evergy, Inc. et al.

Consolidated into MDL No. 4:24-md-3132
Docket:
4:2025cv00046
Filed:
2025-02-06
Patents:10589225
π Midwest Energy Emissions Corp.π Birchtech Corp.Δ Evergy, Inc.Δ Evergy Metro, Inc.Δ Evergy Missouri West, Inc.Δ Evergy Kansas Central, Inc.

A patent infringement suit by Midwest Energy Emissions Corp. and Birchtech Corp. against Evergy entities, initially filed in the Southern District of Iowa, later transferred and consolidated into a multidistrict litigation.

Midwest Energy Emissions Corp. et al. v. MidAmerican Energy Company et al.

Open
Docket:
4:24-md-03132
Filed:
2024-12-17
Patents:10668430
π Midwest Energy Emissions Corp.π Birchtech Corp.Δ MidAmerican Energy CompanyΔ Interstate Power and Light CompanyΔ Union Electric Co. d/b/a Ameren MissouriΔ Wisconsin Power and Light CompanyΔ Ameren Corp.Δ PacifiCorpΔ Evergy, Inc.Δ Evergy Metro, Inc.Δ Evergy Missouri West, Inc.Δ Evergy Kansas Central, Inc.

This Multidistrict Litigation consolidates several cases involving US Patent 10668430, initiated by Midwest Energy Emissions Corp. (now Birchtech Corp.) against numerous energy companies. The MDL is open, and various motions have been addressed.

Midwest Energy Emissions Corp. et al. v. Berkshire Hathaway Energy Company et al.

Ongoing; Consolidated
Docket:
MDL No. 3132
Filed:
2024-07
Patents:10596517
π Midwest Energy Emissions Corp.π Birchtech Corp.Δ Berkshire Hathaway Energy CompanyΔ MidAmerican Energy CompanyΔ PacifiCorpΔ Alliant Energy CorporationΔ Alliant Energy Corporate Services, Inc.Δ Interstate Power and Light CompanyΔ Wisconsin Power and Light CompanyΔ Ameren Corp.Δ Union Electric Co.Δ Salt River Project Agricultural Improvement and Power DistrictΔ Evergy, Inc.Δ Evergy Metro Inc.Δ Evergy Missouri West, Inc.Δ Evergy Kansas Central, Inc.

This multidistrict litigation consolidates several patent infringement lawsuits initially filed in Arizona, Missouri, and Iowa. Some defendants have reached license agreements with Birchtech, and claims against other defendants have been resolved.