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10-K/A - FORM 10-K AMENDMENT - ACACIA RESEARCH CORPacacia_10ka-123109.htm
EX-31.2 - CERTIFICATION - ACACIA RESEARCH CORPacacia_10k-ex3102.htm
EX-31.1 - CERTIFICATION - ACACIA RESEARCH CORPacacia_10k-ex3101.htm
EX-32.1 - CERTIFICATION - ACACIA RESEARCH CORPacacia_10k-ex3201.htm


 
EXHIBIT 32.2
 
CERTIFICATION
 
In connection with the Annual Report of Acacia Research Corporation (the “Company”) on Form 10-K (and Amendment No. 1 thereto) for the fiscal year ended December 31, 2009, as filed with the Securities and Exchange Commission on February 26, 2010 (the “Report”), I, Clayton J. Haynes, Chief Financial Officer of the Company, certify, pursuant to Rule 13a-14(b) or Rule 15d-14(b) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 780(d)) and 18 U.S.C. Section 1350, that to the best of my knowledge:
 
1.           The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
 
2.           The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.
 

 
 
By:  /s/ Clayton J. Haynes                                          
Clayton J. Haynes
Chief Financial Officer
February 26, 2010