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): September 17, 2008

JDA Software Group, Inc.

(Exact name of registrant as specified in its charter)

Delaware	0-27876	86-0787377
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

14400 North 87th Street
Scottsdale, Arizona	85260-3649
(Address of principal executive offices)	(Zip Code)

(480) 308-3000
(Registrant’s telephone number, including area code)

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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

þ 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))

TABLE OF CONTENTS

EX-99.1

Item 8.01 Other Events.

     As previously announced, JDA Software Group, Inc. (the “Company”) has entered into an Agreement and Plan of Merger by and among the Company, Iceberg Acquisition Corp., a Delaware corporation and a wholly-owned subsidiary of the Company (“Merger Sub”), and i2 Technologies, Inc., a Delaware corporation (“i2”), pursuant to which Merger Sub will be merged with and into i2 (the “Merger”), with i2 continuing after the Merger as the surviving corporation and a wholly-owned subsidiary of the Company. The Company and i2 announced today that the U.S. federal antitrust agencies have granted early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, in connection with the Merger.

Item 9.01 Financial Statements and Exhibits.

     (d) Exhibits.

Exhibit No.	Description
99.1	Joint press release of JDA Software Group, Inc. and i2 Technologies, Inc., dated September 17, 2008.

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.

	JDA Software Group, Inc.
Date: September 17, 2008
	By:	/s/ Kristen L. Magnuson
		Kristen L. Magnuson
		Executive Vice President and
		Chief Financial Officer

EXHIBIT INDEX

Exhibit No.	Description
99.1	Joint press release of JDA Software Group, Inc. and i2 Technologies, Inc., dated September 17, 2008.