In re Diisocyanates Antitrust Litig., MDL 2862 (W.D. Pa. Jan. 26, 2023), is a multidistrict litigation concerning an alleged conspiracy to reduce supply and increase prices for methylene diphenyl diisocyanate (MDI) and toluene diisocyanate (TDI), precursor ingredients for the manufacture of polyurethane foam and thermoplastic polyurethanes.
During discovery, the parties filed various motions with