A Practice Note addressing the ground rules and practices of the Administrative Law Judges (ALJs) that preside over investigations at the US International Trade Commission (ITC) under Section 337 of the Tariff Act (19 U.S.C. § 1337). This Note covers the ALJs' practices regarding setting target dates and procedural schedules and the ALJs' detailed procedural rules, including rules governing discovery, claim construction, settlement and mediation, and the evidentiary hearing.