1. ESA new IP Position ‘A remarkable step forward’;Csörgö;Cultivar Seed,2011
2. Directive 98/44/EC of the European Parliament and of the Council of 6 July 1998 on the legal protection of biotechnological inventions Available online at: http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:1998:213:0013:0021:EN:pdf
3. EPO report Essential Biological Processes (www.epo.org/law-practice/case-law-appeals/recent/g070002ex1.html (www.epo.org/law-practice/case-law-appeals/recent/t061242ex2.html)
4. ESA position Position on Intellectual Property Protection for plant-related inventions in Europe (ESA 12.0100) http://www.euroseeds.org