https://www.reuters.com/article/us-eu-amazon-com-coty-trademark/amazon-must-check-for-trade-mark-violations-eu-court-adviser-idUSKBN1Y20YI

U.S. online retail giant Amazon is not liable for unwittingly stocking trade mark infringing goods for third-party sellers, but should be diligent in checking whether products are legal, an adviser to Europe's top court said on Thursday.