This workshop will point out the different searching possibilities in the free databases of the German Patent and Trade Mark Office, the OHIM and WIPO of trade marks which are enforceable in Germany. This workshop includes an introduction to the databases of the German Patent and Trade Mark Office register, CTM-Online and Madrid Express, and practical guided exercises on PCs, the solution of exercises and an opportunity to raise questions. The event will be held on the 20 of September 2010, in Munich, Germany.