The verdict in all criminal cases is heavily reliant on judge’s decision making abilities. This, in turn, may be influenced by arguments from the litigating lawyers, eyewitness testimony, and comments from the arbitration panel; however, the lawyers are reported to generally hold maximal influence. This chapter will outline the various factors that influence the judges’ decision-making process. We will discuss at length on psychological concepts such as short-term memory, schemas, language, emotions, persuasion, and their role in courtroom. In discussing various examples of the effective courtroom statements derived from international and Indian trials, we will also outline the various ways in which lawyers can successfully persuade a judge in the courtroom.