0001246360-09-000578 4 1 20090205 20090209 20090209 Cowie James J 0001431680 4 34 001-10606 09582600 408-944-7068 2655 SEELY AVENUE BLDG. 5 SAN JOSE CA 95134 CADENCE DESIGN SYSTEMS INC 0000813672 7372 770148231 DE 1229 2655 SEELY ROAD BLDG 5 SAN JOSE CA 95134 4089431234 555 RIVER OAKS PARKWAY SAN JOSE CA 95134 ECAD INC /DE/ 19880609 4 1 form.xml PRIMARY DOCUMENT