The bachelor thesis deals with the protection of consumer's rights focusing on marking of products and services. The first part is characterized by essentials notions penetrating the whole work, by duties and rights of consumers and sellers and also by the legislative and the institutional framework of consumer protection in the Czech Republic according to marking of products and services. The substantial part is formed by analysis of trademarks. The practical part deals with sociologic research focused on finding of consumer awareness about their rights and knowledge of specific symbols. The purpose of the work was to identify level of knowledge of consumers in the Czech Republic by means of research and to propose reasonable solutions ori...