Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
SANDELL ASSET MANAGEMENT CORP
   2. Issuer Name and Ticker or Trading Symbol
FAIR ISAAC CORP [FIC] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) __X__ Other (specify below)
See Remarks
(Last)
(First)
(Middle)
40 WEST 57TH STREET, 26TH FLOOR		 3. Date of Earliest Transaction (Month/Day/Year)
02/03/2009
(Street)

NEW YORK, NY 10019		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $ 13.26 02/03/2009   A   14,266 (1)   02/03/2009 02/02/2019 Common Stock 14,266 $ 13.26 14,266 D (2) (3) (4)  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
SANDELL ASSET MANAGEMENT CORP
40 WEST 57TH STREET
26TH FLOOR
NEW YORK, NY 10019		   X     See Remarks

Signatures

 Thomas E. Sandell, Chief Executive Officer, Sandell Asset Management Corp.   02/05/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Includes 3,016 options which Nick Graziano (see Remarks below) elected to receive in lieu of an annual cash retainer, pursuant to the Issuer's 1992 Long-term Incentive Plan.
(2) Sandell Asset Management Corp., a Cayman Islands exempted company ("SAMC"), beneficially owns the securities reported herein through Castlerigg Master Investments Ltd., a British Virgin Islands company ("Castlerigg Master Investments").
(3) SAMC is the investment manager of Castlerigg Master Investments. Thomas Sandell is the controlling person of SAMC and may be deemed to share beneficial ownership of the shares beneficially owned by Castlerigg Master Investments and SAMC. Castlerigg International Ltd., a British Virgin Islands company ("Castlerigg International"), is the controlling shareholder of Castlerigg International Holdings Limited, a British Virgin Islands company ("Holdings"). Holdings is the controlling shareholder of Castlerigg Master Investments.
(4) Each of Holdings and Castlerigg International may be deemed to share beneficial ownership of the shares beneficially owned by Castlerigg Master Investments. SAMC, Mr. Sandell, Holdings, Castlerigg International and Castlerigg Master Investments, each disclaims beneficial ownership of the securities reported herein except to the extent of its or his respective pecuniary interest therein, and this report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.
 
Remarks:
Sandell Asset Management Corp. might be deemed to be a director of the issuer by deputization, as a result of Nick Graziano,
 an employee of Sandell Asset Management Corp., being appointed to serve on the board of directors of the issuer.  Mr.
 Graziano has filed his own Form 4 with respect to these options.  SAMC is the direct beneficial owner of 2,874,000 shares of
 the Issuer.  SAMC disclaims any beneficial ownership of any of the Issuer's securities beyond its pecuniary interest
 therein.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.