[The zig-zagging legislative policies of the European Union in relation to transgenic products].

The author analyses the E.U. legislative policies related to transgenic products from the 80s until nowadays, she stops in Directive 2001/18/Ce and its conversion into national law. She explains how the regulatory frame is after the recent approval of the newest rules about tracking and labelling genetically modified organisms (OMG). She also studies communitary jurisprudence about this subject according to the legislation, concretely sentence 9 September 2003 in the affair C-236/01 about commercialisation of two lines of transgenic corn. Finally she points out how legislative policies have influenced the creation and development of biotechnological enterprises.