Caselex is a unique legal information service opening up national case law and other important decisions (like those of competition authorities) with a European connotation to legal professions. As such it contributes to the Europeanisation of law. Relying on a network of editors throughout Europe, Caselex systematically summarizes in English case law and other decisions that have a cross border value to legal professionals. The service consists of the Caselex Market Definitions Module and several Case Law Modules.