The world is currently undergoing major changes that have turned national markets into a single market characterized by competitiveness and the free movement of goods and services. Knowing the needs of the local market and especially those of the international market has become more and more an absolute necessity.Indeed, mass distribution offers consumers the freedom to serve themselves by browsing the shelves. It is therefore essential to give the product its own identity, that is to say its own brand and its own physiognomy, which, properly created, become the ideal medium for what it represents.This manual explains the procedure to follow in order to create, protect and defend a trademark or an industrial design in general and in Tunisia, in particular.