BusinessWhy are German-Made products So Successful?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoBusiness05/26/2015May 26, 2015We'll be asking our studio guest Olaf Plötner, an expert on trademarks and trademark law at the European School of Management and Technology in Berlin.https://p.dw.com/p/1FWyAAdvertisement