The Hungarian public procurement law will be renewed from 1th January 2012. Because of the new Act on Public Procurement (PPA) the development of the legislation of the last years should be reviewed. What kind of problems did the legislature have to solve? How could the specificities of an adequate public procurement act be defined? How does the judicature affect the legislature? This study tries to give answers from the point of view of the judicature. It examines the results of legislation, the experiences of practice, the earlier amendments and the most essential attributes of the new PPA.