Resumé Controversial Issues of Necessary Defense in the Judicial Practice The purpose of my thesis is to analyze some potential problems in the case law of necessary defence. Studying the judicature alw ays helps the law yers to understand better the subject, because in a particular case, the law is used "in action" and explained by the judges. The thesis is composed of five chapters, each of them dealing w ith different aspects of criminal law or more precisely of necessary defence case law . Chapters One to Three introduce and describe the basics of czech criminal law , the intent of criminal law and criminal liability. Which are the ground topics of defence law . Chapter Four is the main chapter of the thesis and deals w ith defences - n...