T he Internet being more known as “Cyberspace” is one of the most rapid-up-coming industry, creating new opportunities for dealing in different fields, e.g. mass media, advertising, music, entertainment and commerce. Internet users enjoy posibilities to exchange the information, to purchase goods and to offer services on-line (in the Internet). From the commercial point of view the Internet is “a combinationbetween the shopwindow and the advertising shield”.1 Businessmen create web sites to get information and to attract potential clients. These sites have special addresses including domains (domain names) and sub-domains. The latter may be obtained by registration thereof in the special registers becomig the holder’s property. Such relative easy procedure to obtain new property types (subdomains) determined many physical and legal persons and companies registering their valuable sub-domains. This fact provokes some disputes, problems of the administrative and jurisdictional order. The scope of this paper consists in examination of the special legal problems appearing in connection with domains utilization.