Articolo: Oracle joins insane CMS patent race http://www.cmswatch.com/News/Article/?314 Testo del brevetto http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=6,745,238.WKU.&OS=PN/6,745,238&RS=PN/6,745,238