10596517

7 known cases. View patent page →

Midwest Energy Emissions Corp. et al. v. CERT Operations II LLC et al.

Judgment; On Appeal
Docket:
1:19-cv-01334
Filed:
2019-07
Patents:10596517
π Midwest Energy Emissions Corp.π MES Inc.Δ CERT Operations II LLCΔ CERT Operations IV LLCΔ CERT Operations V LLCΔ CERT Operations RCB LLCΔ Bascobert (A) Holdings, LLCΔ Buffington Partners, LLCΔ Cottbus Associates, LLCΔ Larkwood Energy, LLCΔ Marquis Industrial Company, LLCΔ Rutledge Products, LLCΔ Senescence Energy Products, LLCΔ Springhill Resources, LLC

Midwest Energy Emissions Corp. and MES Inc. (later Birchtech Corp.) sued 43 defendants for patent infringement. A jury trial concluded in March 2024 with a $57 million verdict against the remaining CERT Defendants. A final $78 million judgment was issued in December 2025, which has since been appealed.

CERT Operations II LLC et al. v. Birchtech Corp.

On Appeal
Docket:
26-1403
Filed:
2026-01-28
Patents:10596517
π CERT Operations II LLCπ CERT Operations IV LLCπ CERT Operations V LLCπ CERT Operations RCB LLCπ Bascobert (A) Holdings, LLCπ Buffington Partners, LLCπ Cottbus Associates, LLCπ Larkwood Energy, LLCπ Marquis Industrial Company, LLCπ Rutledge Products, LLCπ Senescence Energy Products, LLCπ Springhill Resources, LLCΔ Birchtech Corp.

This is an ongoing appeal filed by the CERT Defendants against Birchtech Corp., challenging the U.S. District Court of Delaware's $78 million final judgment in case 1:19-cv-01334.

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.

Unknown Petitioner v. Birchtech Corp.

Settlement
Docket:
IPR2025-00280
Patents:10596517
Δ Birchtech Corp.

An Inter Partes Review challenging patent 10596517, where the petitioner's identity is not explicitly detailed in the narrative, concluded in a settlement.

Untitled case

Critical
Docket:
5:25-cv-04033
Patents:10596517

Specific details regarding the parties, filing date, and detailed status for this case are not available from the provided narrative, other than its case number, jurisdiction, and "Critical" status per Google Patents data.