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 71.2 of the Patents Act of 15.2.2007
Article 59(3)(2) and (3) of the Patent Law as published in “Valstybės žinios” No. 85/2005