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EFFECTIVE AUGUST 23RD, 2004

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)             February 17, 2005                                                   


eSpeed, Inc.
(Exact name of registrant as specified in its charter)

Delaware 0-28191 13-4063515
(State of other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)

135 East 57th Street, New York, NY 10022
(Address of principal executive offices)

Registrant's telephone number, including area code             212-938-5000                                                        


N/A
(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 (see General Instruction A.2. below):

[ ]  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. OPTIONAL OTHER EVENTS

On February 17, 2005, eSpeed, Inc. (the "Registrant") issued a press release announcing the filing of a purported class action complaint against the Registrant. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS

(c)   Exhibits.
99.1   eSpeed, Inc. press release dated February 17, 2005.

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.


  eSpeed, Inc.
Date: February 17, 2005 By:    /s/ Kevin Foley                        
           Kevin Foley
           President