Birchtech ends patent challenges, protects mercury removal technology

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Birchtech Announces the End of All Remaining Attempts to Challenge Patents Under IPR Petition

June 3, 2026 8:31 AM EDT

Company's Mercury Removal Technology Patents Protected Against Invalidity Claims Following Termination of All Inter Partes Review (IPR) Petitions; Collection Efforts Remain Underway Following $78 Million Judgment

CORSICANA, Texas, June 03, 2026 (GLOBE NEWSWIRE) -- Birchtech Corp. (NYSE American: BCHT) (TSX: BCHT) (Birchtech or the Company), a leader in specialty activated carbon technologies for sustainable air and water treatment, today announced the filing of termination requests for all remaining Inter Partes Review (IPR) petitions filed against the Company's core patents. The final remaining entities... More