Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  BRAUN STEVEN J
 2. Date of Event Requiring Statement (Month/Day/Year)
02/01/2005		 3. Issuer Name and Ticker or Trading Symbol
FAIR ISAAC CORP [FIC]
(Last)
(First)
(Middle)
901 MARQUETTE AVENUE, SUITE 3200		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MINNEAPOLIS, MN 55402		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 25,000 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Options (right to buy) 11/10/2006(2) 11/14/2014 Common Stock 75,000 $ 32.01 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
BRAUN STEVEN J
901 MARQUETTE AVENUE
SUITE 3200
MINNEAPOLIS, MN 55402		       Vice President  

Signatures

/s/ Andrea M. Fike, Attorney-in-fact 02/04/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Securities represent a restricted stock award granted on November 15, 2004. The terms of the award provide that the stock be subject to forfeiture until vested. 50% of the shares vest on November 10, 2006 and the remaining 50% of the shares vest on November 10, 2008, provided Mr. Braun is still employed by Fair Isaac Corporation on the respective vesting dates.
(2) 50% of the options vest on November 10, 2006, and the remaining 50% of the options vest on November 10, 2008.

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.