Compulsory use of trademark and its demonstration under Czech law and the EU law The aim of this thesis is to introduce the institute of compulsory use from the perspective of Czech and EU law and subsequent proof of this obligation. The thesis consists of a brief introduction and six chapters, the sixth chapter is the conclusion. The first chapter is a general introduction to the issue of trademarks and aims to briefly inform about the concept of the trademark, its functions and the Czech and EU legislation on the issue of trademark law. It also describes the application procedure in the Czech Republic and the rights and obligations of the owner. The next chapter is about the right of the owner to use the trademark, both in terms of the positive and the negative definition of this right. Following part of thesis is devoted to the main topic of the thesis, the obligation to use the trademark. It speaks about the importance of that obligation, whose goal is maintaining registration of those marks which are actually used. Also, this chapter is focused on the term "genuine use of the trade mark", which is a condition for fulfilling the obligation of use. Another term that needs to be clarified is "proper reasons for non-use". Only their existence excuses the non-use of the mark and, if they are proven...

This article analyzes the trade name function as a distinctive sign of the economic agents, and the use of it, having in consideration the problems with the confusion between legal entity name, label or business sign, and service mark. Furthermore, it discusses the origin of the exclusive right to a trade name, the proof of its use, and the effects when use of the sign ceases. / Este artículo analiza la función del nombre comercial como signo distintivo del agente económico y su uso, teniendo en cuenta el marco regulatorio actual y los problemas generados por la confusión con el nombre de la persona jurídica, el rótulo de establecimiento o la marca de servicio. Además, se analiza el surgimiento del derecho sobre el referido signo, la acreditación del uso y los efectos de la falta del mismo.