X0303 4 2010-05-03 0000934549 ACACIA RESEARCH CORP ACTG 0001189618 HAYNES CLAYTON J 500 NEWPORT CENTER DRIVE 7TH FLOOR NEWPORT BEACH CA 92660 0 1 0 0 CFO, Treas. Sr. V.P. Finance Common Stock 2010-05-03 4 M 0 4600 3.9565 A 132183 D Common Stock 2010-05-03 4 S 0 200 14.50 D 131983 D Common Stock 2010-05-03 4 S 0 100 14.52 D 131883 D Common Stock 2010-05-03 4 S 0 200 14.5205 D 131683 D Common Stock 2010-05-03 4 S 0 100 14.53 D 131583 D Common Stock 2010-05-03 4 S 0 100 14.5305 D 131483 D Common Stock 2010-05-03 4 S 0 100 14.54 D 131383 D Common Stock 2010-05-03 4 S 0 100 14.5405 D 131283 D Common Stock 2010-05-03 4 S 0 1000 14.57 D 130283 D Common Stock 2010-05-03 4 S 0 100 14.65 D 130183 D Common Stock 2010-05-03 4 S 0 100 14.66 D 130083 D Common Stock 2010-05-03 4 S 0 1200 14.70 D 128883 D Common Stock 2010-05-03 4 S 0 400 14.71 D 128483 D Common Stock 2010-05-03 4 S 0 200 14.81 D 128283 D Common Stock 2010-05-03 4 S 0 100 14.815 D 128183 D Common Stock 2010-05-03 4 S 0 200 14.835 D 127983 D Common Stock 2010-05-03 4 S 0 100 14.84 D 127883 D Common Stock 2010-05-03 4 S 0 100 14.8605 D 127783 D Common Stock 2010-05-03 4 S 0 100 14.88 D 127683 D Common Stock 2010-05-03 4 S 0 100 14.89 D 127583 D Stock Option (Right to Buy) 3.9565 2010-05-03 4 M 0 4600 0 D 2004-04-01 2011-04-02 Common Stock 4600 157870 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5(1) Trading Plan adopted by the Reporting Person on March 3, 2010. Clayton J. Haynes 2010-05-04