0001019687-05-000929 S-3/A 5 20050401 20050401 ACACIA RESEARCH CORP 0000934549 3670 954405754 DE 1231 S-3/A 33 333-122452 05726046 500 NEWPORT CENTER DRIVE 7TH FLOOR NEWPORT BEACH CA 92660 9494808300 500 NEWPORT CENTER DRIVE # NEWPORT BEACH CA 92660 S-3/A 1 acacia_s3a1-040105.txt EX-5.1 2 acacia_s3a1ex5-1.txt EX-23.2 3 acacia_s3a1ex23-2.txt EX-23.3 4 acacia_s3a1ex23-3.txt EX-23.4 5 acacia_s3a1ex23-4.txt