Criminal proceedings against law entities Summary The Act no. 418/2011 Coll., Act on Criminal Liability of Legal Entities and Proceedings Against Them came into force on 1st January 2012. Up until that point the legal entities could not have been prosecuted for crimes, because we had only personal liability in our country. The purpose of this diploma thesis is to research the procedural part of Act no. 418/2011 Coll., the criminal liability of legal entities and proceedings against them in more detailed way, especially discuss the specific differences in criminal procedure against legal entities, which differ from the general provisions in criminal procedure against natural persons. These specific differences contain provisions of provisional and protective measures, acts of legal entities, defense of legal entities and specific executions of punishments, which can be inflicted only to legal entities. This thesis mentions legal acts of international law, legal acts of European Union law and legal acts of national law. Moreover, the thesis contains references to articles and publications by notorious Czech criminal law experts, who research the problematics of the criminal responsibility of legal entities. This thesis includes some important judicial decisions, which were issued and are related to criminal..