---
schema_version: "secwatch.filing_event.v1"
accession: "0001477932-24-004495"
form_type: "8-K"
ticker: "BCHT"
cik: "0000728385"
company_name: "Birchtech Corp."
filed_at: "2024-08-01T23:59:59+00:00"
generated_at: "2026-05-31T14:06:42.288534+00:00"
event_type: "litigation"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Midwest Energy Emissions files patent lawsuits against 14 utilities in three district courts

## Summary
- Filed July 30, 2024, in Arizona, Iowa, and Missouri federal courts against 14 defendants including Berkshire Hathaway Energy, Ameren, and Tucson Electric Power.
- Alleges willful infringement of SEA mercury-emission reduction patents; seeks damages, costs, and a permanent injunction.
- Follows March 2024 jury award of $57M against CERT defendants for willful infringement; pre-trial settlements with AJ Gallagher and DTE in late 2023.
- CEO Richard MacPherson states the goal is to license the technology and create business partnerships with the defendants.

## SEC filing metadata
- accession: 0001477932-24-004495
- form_type: 8-K
- ticker: BCHT
- cik: 0000728385
- company_name: Birchtech Corp.
- filed_at: 2024-08-01T23:59:59+00:00
- event_type: litigation
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/728385/000147793224004495/0001477932-24-004495-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/728385/000147793224004495/meec_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001477932-24-004495
- JSON: https://secwatch.observer/filing/0001477932-24-004495.json
- Plain text: https://secwatch.observer/filing/0001477932-24-004495.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.