A comprehensive list of legal bases relating to validation requirements in the EPC contracting states is available in the EPO's publication "National law relating to the EPC".
- Article 87/d of the Law No. 9947 on Industrial Property of 7 July 2008 as amended by Law No. 55/2014 of 29 May 2014
- Articles 8a, 8b and 10 of the German "Gesetz zur Verbesserung der Durchsetzung von Rechten des geistigen Eigentums" dated 7 July 2008 relate to the London Agreement on the application of Article 65 EPC; these provisions entered into force with retrospective effect from 1 May 2008.
- Section 77.1 of Patents Act No. 17/1991 as amended by Act No. 53 of 2004
Article 59(3)(2) and (3) of the Patent Law as published in “Valstybės žinios” No. 85/2005