Web sites are developed substantially in our day and hence in the past years many large or small corporations, establishments, associations and persons etc. became web site owners increasingly, even the Turkish Commercial Code[1] sets out provisions in terms of the web sites that may be used by the companies. Within this fast-moving area “com” extension became inadequate over time and various risks surfaced for the owners of registered trademarks as the number of web sites that can be registered increased with new registrable extensions. The third parties may use trademarks (including registered) as a domain name via a different extension