Delaware
|
000-26068
|
95-4405754
|
(State
or Other Jurisdiction
of
Incorporation)
|
(Commission
File
Number)
|
(I.R.S.
Employer
Identification
No.)
|
500
Newport Center Drive,
Newport
Beach, California
(Address
of Principal Executive Offices)
|
92660
|
(Zip
Code)
|
o
|
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
|
o
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
o
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act
(17 CFR 240.14d-2(b))
|
o
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act
(17 CFR 240.13e-4(c))
|
ACACIA
RESEARCH CORPORATION
|
|
Date:
May 19, 2009
|
By: /s/ Paul R.
Ryan
|
Name: Paul
R. Ryan
|
|
Title:
Chairman and Chief
|
|
Executive
Officer
|