UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

(Amendment No. 4)*

Lionbridge Technologies, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

536252 10 9

                                (CUSIP Number)                                

December 31, 2004

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

¨ Rule 13d-1(b)

¨ Rule 13d-1(c)

x Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No. 536252 10 9 13G Page 2 of 5

1	NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)             Rory J. Cowan
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a)  ¨ (b)  ¨
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION             United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH:   5    SOLE VOTING POWER                 3,260,369 shares   6    SHARED VOTING POWER   7    SOLE DISPOSITIVE POWER                 3,260,369 shares   8    SHARED DISPOSITIVE POWER

9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON             3,260,369 shares
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)	¨
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9             7.0%
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)             IN

Page 2 of 5 pages

Item 1	(a).	Name of Issuer: Lionbridge Technologies, Inc.
Item 1	(b).	Address of issuer’s Principal Executive Offices: 1050 Winter Street, Suite 2300 Waltham, MA 02451-1291
Item 2	(a).	Name of Person Filing: Rory J. Cowan
Item 2	(b).	Address of Principal Business Office or, if none, Residence: c/o Lionbridge Technologies, Inc. 1050 Winter Street, Suite 2300 Waltham, MA 02451-1291
Item 2	(c).	Citizenship: United States
Item 2	(d).	Title of Class of Securities: Common Stock, $.01 par value per share
Item 2	(e).	CUSIP Number 536252 10 9
Item 3.	If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b), check whether the person filing is a:
	(a)	¨	Broker or dealer registered under Section 15 of the Act.
	(b)	¨	Bank as defined in Section 3(a)(6) of the Act.
	(c)	¨	Insurance Company as defined in Section 3(a)(19) of the Act.
	(d)	¨	Investment Company registered under Section 8 of the Investment Company Act.
	(e)	¨	Investment Adviser registered under Section 203 of the Investment Advisers Act of 1940.
	(f)	¨	Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see 13d-1(b)(1)(ii)(F).
	(g)	¨	Parent Holding Company, in accordance with Rule 13d-1(b) (ii) (G); see Item 7.
	(h)	¨	Group, in accordance with Rule 13d-1(b)(1)(ii)(H).
	Not Applicable.

Page 3 of 5 pages

Item 4.	Ownership:
	(a)	Amount Beneficially Owned: Mr. Cowan may be deemed to beneficially own 3,260,369 shares of Common Stock (the “Shares”) as of December 31, 2004. Such Shares include 718,750 shares of Common Stock deemed to be beneficially owned by Mr. Cowan pursuant to options exercisable within 60 days of December 31, 2004.
	(b)	Percent of Class: 7.0% The foregoing percentage is calculated based on 46,285,329 shares of Common Stock reported as outstanding in the Issuer’s Form 10-Q Quarterly Report for the quarter ended September 30, 2004.
	(c)	Number of Shares as to which such person has:
		(i)	sole power to vote or direct the vote: 2,541,619 shares.
		(ii)	shared power to vote or to direct the vote: 0 shares.
		(iii)	sole power to dispose or to direct the disposition of: 2,541,619 shares.
		(iv)	shared power to dispose or to direct the disposition of: 0 shares.
Item (5).	Ownership of Five Percent or Less of a Class: Not Applicable.
Item (6).	Ownership of More than Five Percent On Behalf of Another Person: Not Applicable.
Item (7).	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Company: Not Applicable.
Item (8).	Identification and Classification of Members of the Group: Not Applicable.
Item (9).	Notice of Dissolution of Group: Not Applicable.
Item (10).	Certification: Not Applicable. This statement on Schedule 13G is not filed pursuant to Rule 13d-1(b) nor 13d-1(c).

Page 4 of 5 pages

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

February 11, 2005

Date

Rory J. Cowan

Signature

Rory J. Cowan

Name/Title

Page 5 of 5 pages