Employees, firms and the Hellenic Competition Commission are required to respect confidential information. Secondarily, art. 747 of Civil Code regarding partnerships, along with Law 4548/2018 (Article 98) and art. 20 of Law 3190/1955 concerning limited liability companies refer to the duty of loyalty for partners and employees, which is found to also cover confidentiality of information. Note the EU Directive 2016/943 on harmonisation the protection of undisclosed know-how and business information (trade secrets) came into force in July 2016. Transposition must be completed before June 2018. See: http://eur-lex.europa.eu/legal-content/EN/TXT/?uri=uriserv:OJ.L_.2016.157.01.0001.01.ENG&toc=OJ:L:2016:157:TOC