When viewing a directive on EUR-Lex, select the "National Transposition" link on the left-hand side of the screen to see information about national laws implementing the directive.
A convenient portal for searching the national law databases of EU member states. (The search interface is in English. The laws will be in the official languages of each nation.)
National Transposition lets "find measures taken by member states to incorporate an EU legal act into national law." The most effective search method is to find and use the "CELEX" number (e.g., 32013L0035) of of the EU legal act, but you can also search by key word.
This source includes directives, and each directive includes a "National measures" section giving citations to the implementing measures of member states.
Find citations to (but generally not the full text of) case law on EU law from the national courts of EU member states. Also includes some relevant cases from: non-EU countries (Canada, Liechtenstein, Norway, Switzerland); EFTA; the European Court of Human Rights.
Summaries of and citations do national court decisions applying EU law. A project of the Association of Councils of State and Supreme Administrative Jurisdictions of the European Union. Last updated inOctober 2017.
Full text of national-court decisions that refer questions of EU law to the CJEU for preliminary rulings. Also includes access to the CJEU's ruling and the final decision of the national court. A project of the Association of Councils of State and Supreme Administrative Jurisdictions of the European Union.
"The JURE (Jurisdiction, recognition and enforcement of judgments in civil and commercial matters) collection contains relevant judgments delivered by courts in contracting states (EU Member States and if applicable Iceland, Norway and Switzerland) and the EU Court of Justice."
