SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549

                             _________________

                                SCHEDULE 13G
                               (Rule 13d-102)

 INFORMATION TO BE INCLUDED IN THE STATEMENTS FILED PURSUANT TO RULES 13d-1(b),
   (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b)*


                         Gemplus International S.A.
                          -----------------------
                              (Name of Issuer)

                       Ordinary shares, no par value
                    -----------------------------------
                       (Title of Class of Securities)

                               LU012170629-4
                            ------------------
                               (ISIN Number)

                              December 4, 2002
                   -------------------------------------
          (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)
     [X]  Rule 13d-1(c)
     [ ]  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).



ISIN No. LU012170629-4                    13G            Page  2  of  13 Pages

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     1      NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
            Sagem S.A.
-------------------------------------------------------------------------------

     2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            [ ] (a)
            [x] (b)
-------------------------------------------------------------------------------

     3      SEC USE ONLY

-------------------------------------------------------------------------------
     4      CITIZENSHIP OR PLACE OF ORGANIZATION
            France

-------------------------------------------------------------------------------

         NUMBER OF                   5          SOLE VOTING POWER
          SHARES                                59,500,000
       BENEFICIALLY        ----------------------------------------------------
         OWNED BY                    6          SHARED VOTING POWER
           EACH                                 0
         REPORTING         ----------------------------------------------------
          PERSON                     7          SOLE DISPOSITIVE POWER
           WITH                                 59,500,000
                           ----------------------------------------------------
                                     8          SHARED DISPOSITIVE POWER
                                                0
-------------------------------------------------------------------------------
     9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            59,500,000

-------------------------------------------------------------------------------
    10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]

-------------------------------------------------------------------------------

    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
            9.39%

-------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON
            CO
-------------------------------------------------------------------------------



ISIN No. LU012170629-4               13G                Page  3  of  13 Pages

-------------------------------------------------------------------------------
     1      NAME OF REPORTING PERSON
            I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
            Trel Participationss
-------------------------------------------------------------------------------

     2      CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
            [ ]  (a)
            [x]  (b)
-------------------------------------------------------------------------------

     3      SEC USE ONLY

-------------------------------------------------------------------------------
     4      CITIZENSHIP OR PLACE OF ORGANIZATION
            France

-------------------------------------------------------------------------------
         NUMBER OF                   5          SOLE VOTING POWER
          SHARES                                0
       BENEFICIALLY           --------------------------------------------------
         OWNED BY                    6          SHARED VOTING POWER
           EACH                                 3,043,973
         REPORTING            -------------------------------------------------
          PERSON                     7          SOLE DISPOSITIVE POWER
           WITH                                 0
                              -------------------------------------------------
                                     8          SHARED DISPOSITIVE POWER
                                                3,043,973

-------------------------------------------------------------------------------
    9      AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
            3,043,973

-------------------------------------------------------------------------------
    10      CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ]

-------------------------------------------------------------------------------

    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
            0.48%
-------------------------------------------------------------------------------

    12      TYPE OF REPORTING PERSON
            CO
-------------------------------------------------------------------------------



ISIN No. LU012170629-4              13G                  Page  4  of  13 Pages

-------------------------------------------------------------------------------

      1       NAME OF REPORTING PERSON
              I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
              Sagem International
-------------------------------------------------------------------------------

      2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
              [ ] (a)
              [x] (b)
-------------------------------------------------------------------------------

      3       SEC USE ONLY
-------------------------------------------------------------------------------

      4       CITIZENSHIP OR PLACE OF ORGANIZATION
              France

-------------------------------------------------------------------------------
         NUMBER OF                    5          SOLE VOTING POWER
           SHARES                                0
        BENEFICIALLY            -----------------------------------------------
          OWNED BY                    6          SHARED VOTING POWER
            EACH                                 45,402,562
         REPORTING              -----------------------------------------------
           PERSON                     7          SOLE DISPOSITIVE POWER
            WITH                                 0
                                -----------------------------------------------
                                      8          SHARED DISPOSITIVE POWER
                                                 45,402,562
-------------------------------------------------------------------------------

      9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
              45,402,562

-------------------------------------------------------------------------------
     10       CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
              SHARES [ ]

-------------------------------------------------------------------------------

     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
              7.12%
-------------------------------------------------------------------------------

     12       TYPE OF REPORTING PERSON
              CO
-------------------------------------------------------------------------------



Item 1(a).  Name of Issuer.

Gemplus International S.A.

Item 1(b).  Address of Issuer's Principal Executive Offices.

Aerogolf Center
1 Hohenhof
L-2633 Senningerberg
Grand Duchy of Luxembourg

Item 2(a).  Name of Person Filing.

This Schedule 13G is being filed on behalf of the following persons
("Reporting Persons"):

(i)      Sagem S.A.
(ii)     Trel Participations
(iii)    Sagem International

The Reporting Persons may be deemed a "group" under the Act because Trel
Particiaptions and Sagem International are both 100% owned subsidiaries of
Sagem S.A. However, neither the fact of this filing nor anything contained
herein shall be deemed to be an admission by the Reporting Persons that
such a group exists. A Joint Filing Agreement among the Reporting Persons
with respect to the filing of this Schedule 13G is attached as Exhibit 3.

Item 2(b).  Address of Principal Business Office or, if None, Residence.

Sagem S.A.
---------
Le Ponant de Paris
27, rue Leblanc
75512 Paris Cedex 15
France

Trel Participations
-------------------
Le Ponant de Paris
27, rue Leblanc
75512 Paris Cedex 15
France


Sagem International
-------------------
Le Ponant de Paris
27, rue Leblanc
75512 Paris Cedex 15
France

Item 2(c).  Citizenship.

See Item 4 of the attached cover pages, incorporated herein by reference.

Item 2(d).  Title of Class of Securities.

Ordinary shares, no par value.

Item 2(e).  ISIN Number.

LU012170629-4

The Ordinary shares are also sold in the form of American Depository Shares
("ADSs"). Each ADS represents two Ordinary shares. The ADSs are evidenced
by American Depository Receipts, which are traded on the Nasdaq National
Market of the Nasdaq Stock Market, Inc. and have a CUSIP number of
36866Y102.

Item 3.

Not applicable as this Schedule is filed pursuant to Rule 13d-1(c)

Item 4.  Ownership.

(a) Amount beneficially owned:

Sagem S.A. is the beneficial owner of 59,500,000 of the Issuer's Ordinary
shares, no par value. Sagem S.A. beneficially owns 11,053,465 of these
Ordinary shares directly. In addition, Sagem S.A. beneficially owns
3,043,973 of these Ordinary shares indirectly through Trel Participations,
a 100% owned subsidiary, and beneficially owns 45,402,562 Ordinary shares
indirectly through Sagem International, a 100% owned subsidiary.


(b) Percent of class:

On December 4, 2002, Sagem S.A.was the beneficial owner of 9.39% of the
outstanding Ordinary shares of Gemplus S.A.*

On December 4, 2002, Trel Participations was the beneficial owner of 0.48%
of the outstanding Ordinary shares of Gemplus S.A.

On December 4, 2002, Sagem International was the beneficial owner of 7.12%
of the outstanding Ordinary shares of Gemplus S.A.

These percentages are based on the issuer's Form 6-K, filed on December 2,
2002, which indicates that 637,859,088 Ordinary shares were issued and
outstanding as of September 30, 2002.


--------
* On December 4, 2002, Sagem S.A. was the beneficial owner of 9.89% of the
outstanding voting votes of Gemplus S.A. as indicated in the Declaration de
participation filed by Gemplus S.A. with the Conseil des marches financiers
on December 19, 2002.

 (c) Number of shares as to which such person has:

(i) Sole power to vote or direct the vote:

Sagem S.A. has sole voting power over 59,500,000 Ordinary shares.

(ii) Shared power to vote or direct the vote:

Trel Participations has shared voting power over 3,043,973 Ordinary shares.

Sagem International has shared voting power over 45,402,562 Ordinary shares.

(iii) Sole power to dispose or to direct the disposition:

Sagem S.A. has sole power to dispose of 59,500,000 Ordinary shares.

(iv) Shared power to dispose or to direct the disposition:

Trel Participations has shared power to dispose of 3,043,973 Ordinary shares.

Sagem International has shared power to dispose of 45,402,562 Ordinary 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 Holding 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.

By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having that purpose
or effect.

                                 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.

Date:  December 31, 2002


                                       SAGEM S.A.


                                       /x/ Herve Philippe
                                       By: Herve Philippe
                                       Title: Senior VP, Chief Financial Officer


                                       TREL PARTICIPATIONS


                                       /x/ Herve Philippe
                                       By: Herve Philippe
                                       Title: Attorney-in-fact


                                       SAGEM INTERNATIONAL


                                       /x/ Herve Philippe
                                       By: Herve Philippe
                                       Title: Attorney-in-fact





                               EXHIBIT INDEX

       Exhibit
       -------

       1               Power of Attorney granting Mr. Herve Philippe the
                       authority to sign on behalf of Trel Participations
                       (unofficial translation).
       2               Power of Attorney granting Mr. Herve Philippe the
                       authority to sign on behalf of Sagem International
                       (unofficial translation).
       3               Joint Filing Agreement by and Among Sagem S.A.,
                       Trel Participations, and Sagem International, dated
                       December 31, 2002.