Acacia Research Corporation
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
______________
FORM
8-K
_____________
CURRENT
REPORT
PURSUANT
TO SECTION 13 or 15(d) OF THE
SECURITIES
EXCHANGE ACT OF 1934
Date
of
Report (Date of earliest event reported): June
11, 2007
____________
ACACIA
RESEARCH CORPORATION
(Exact
name of Registrant as Specified in its Charter)
Delaware
(State
or Other Jurisdiction
of
Incorporation)
|
000-26068
(Commission
File
Number)
|
95-4405754
(I.R.S.
Employer
Identification
No.)
|
|
|
|
500
Newport Center Drive,
Newport
Beach, California 92660
(Address
of Principal Executive Offices) (Zip Code)
(949)
480-8300
Registrant's
telephone number, including area code
(Former
Name or Former Address, if Changed since Last Report)
__________________________
Check
the
appropriate box below if the Form 8-K filing is intended to simultaneously
satisfy the filing obligation of the registrant under any of the following
provisions:
[
]
Written communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
[
]
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
[
]
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange
Act
(17 CFR 240.14d-2(b))
[
]
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act
(17 CFR 240.13e-4(c))
Item
8.01 Other
Events
CombiMatrix
Corporation’s registration statement on Form S-1 was declared effective on June
8, 2007. Following the redemption period required by Acacia's Aritcles of
Incorporation, on August 15, 2007 (“Redemption Date”), CombiMatrix
Corporation will split off from Acacia Research Corporation through the
redemption of all outstanding shares of Acacia Research-CombiMatrix common
stock. On the Redemption Date, every ten (10) shares of Acacia
Research-CombiMatrix common stock (“AR-CombiMatrix stock”) outstanding on August
15, 2007, will be redeemed for one (1) share of common stock of CombiMatrix
Corporation. CombiMatrix Corporation common stock is scheduled to being trading
on the Nasdaq Capital Market at 9:00 a.m. Eastern Time on August 15, 2007,
under
the symbol CBMXD. Following 20 days of trading, CombiMatrix Corporation common
stock will trade under the symbol CBMX. Until August 15, 2007, AR-CombiMatrix
stock will continue to trade on Nasdaq under the symbol CBMX.
More
information about the split-off and the redemption are set forth in the
prospectus dated June 7, 2007, included in the registration statement on
Form S-1 filed by CombiMatrix Corporation on June 8, 2007, Registration No.
333-139679, incorporated herein by reference.
Item
9.01
Financial
Statements and Exhibits.
(c)
Exhibits.
99.1
Press
Release of the Registrant dated June 11, 2007.
99.2
Prospectus
included in CombiMatrix Corporation’s amended Registration Statement on Form
S-1/A, filed with the Commission on June 8, 2007.
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant
has
duly caused this report to be signed on its behalf by the undersigned hereunto
duly authorized.
ACACIA
RESEARCH CORPORATION
Date:
June 11, 2007
By:
/s/
Paul R.
Ryan
Name:
Paul R. Ryan
Title:
Chairman and Chief Executive Officer