10589225

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.

A patent infringement suit by Midwest Energy Emissions Corp. against Berkshire Hathaway Energy Company and its subsidiaries, filed in the Southern District of Iowa, with some components transferred to other districts, and ultimately consolidated into an MDL.

A patent litigation case filed by Midwest Energy Emissions Corp. against Arthur J. Gallagher & Co. in the District of Delaware, which is currently ongoing.

A patent infringement suit by Midwest Energy Emissions Corp. against Ameren Corporation, filed in the Eastern District of Missouri and later consolidated into an MDL.

A patent infringement suit by Midwest Energy Emissions Corp. against Tucson Electric Power Company, filed in the District of Arizona and later consolidated into an MDL.

An Inter Partes Review petition filed by Unified Patents Inc. against Birchtech Corp. regarding patent 10589225, which was not instituted due to procedural reasons.

An Inter Partes Review petition filed by Berkshire Hathaway Energy Company against Birchtech Corp. concerning patent 10589225, which has been instituted and is currently pending.

A multidistrict litigation (MDL) consolidating several district court patent infringement cases involving US patent 10589225 and related patents, ongoing in the Southern District of Iowa.