(a) providing approximate search, comprehensive search, status search, etc. of trademark;
(b) providing free searches of a large amount of trademark registration information.
"TESS (Trademark Electronic Search System)" is the online trademark database of USPTO (United States Patent and Trademark Office).
"OHIM" is the online trademark database of European Trademark Office, which includes two databases of CTM (Community trade mark) and RCD (registered Community design) covering 27 European countries.
"IPDL" is the online trademark and design database of Japan Patent Office.
Ⅱ Commercial Trademark Database
"Thomson CompuMark" is the database provided by Compu-Mark subordinate to Thomson Group providing value-added services of online trademark information and trademark registration information search. Its features are as follows:
(a) a great amount of trademark data covering over 200 countries;
(b) providing several search methods including literal symbol search, pattern symbol search, ISS, etc.;
(c) powerful trademark investigation and monitor function including SAEGIS trademark and investigation tool of domain name, etc.
In one word, official and commercial IP databases share unique features. The advantages of the former are charge-free and authority of data; all kinds of value-added and personalized functions of the latter one are quite powerful and it owns a large quantity of data updated rapidly.
