This document discusses several issues related to legal systems and factors in the legal environment. It outlines four main points: 1) different types of legal systems such as common law, civil law, theocratic law, and customary law; 2) differences in contract law between common law and civil law systems; 3) property rights issues relating to private actions like theft and public actions like corruption; and 4) protection of intellectual property which varies between countries and is regulated by agreements like the Paris Convention.