Trademark Protection in Online Marketplaces: Platform Responsibility and the Enforcement of Brand Rights

Abstract

Online marketplaces have transformed international commerce by enabling consumers to purchase goods from sellers located across multiple jurisdictions. While these platforms provide substantial commercial opportunities, they have also become important channels for the distribution of counterfeit products and the unauthorized use of protected trademarks. The scale and speed of online commerce create significant difficulties for trademark owners seeking to identify infringing listings, determine the identity of sellers, and obtain effective remedies. This article examines the legal responsibilities of online marketplaces in relation to trademark infringement and evaluates the appropriate balance between platform responsibility and the obligations of individual sellers. The analysis focuses on counterfeit goods, misleading product descriptions, unauthorized trademark use, repeat infringement, and mechanisms through which rights holders may report allegedly unlawful listings. Particular attention is given to automated detection technologies and platform-based enforcement systems designed to identify suspicious commercial activity. The article considers whether platforms possessing substantial technological and commercial control over marketplace transactions should bear greater responsibility for preventing repeated infringement. It also examines the potential risks of excessive platform intervention, including wrongful removal of legitimate listings and disadvantages to smaller sellers. Comparative analysis demonstrates significant variation in national approaches to intermediary responsibility and the legal consequences of platform knowledge or participation in infringement. The article argues that an effective enforcement system should distinguish between passive technical facilitation and active commercial participation while recognizing the increasingly sophisticated role played by major digital marketplaces. It proposes a graduated framework based upon knowledge, control, commercial benefit, repeat infringement, and the platform's capacity to implement effective safeguards.