Washington, D.C. 20549

                                    FORM 6-K

                        REPORT OF FOREIGN PRIVATE ISSUER

                      PURSUANT TO RULE 13a-16 OR 15d-16 OF
                       THE SECURITIES EXCHANGE ACT OF 1934

                     Report on Form 6-K dated June 4, 2003

                           Commission File No. 0-28578

                             DASSAULT SYSTEMES S.A.
                              (Name of Registrant)

         9, Quai Marcel Dassault, B.P. 310, 92156 Suresnes Cedex, France
                    (Address of Principal Executive Offices)

     Indicate by check mark whether the registrant files or will file annual
                 reports under cover of Form 20-F or Form 40-F

                           Form 20-F X    Form 40-F
                                    ---            ---

     Indicate by check mark if the registrant is submitting the Form 6-K in
              paper as permitted by Regulation S-T Rule 101(b)(1):

                                  Yes      No X
                                     ---     ---

      Indicate by check mark if the registrant is submitting the Form 6-K in
paper as permitted by Regulation S-T Rule 101(b)(7):

                                  Yes      No X
                                     ---     ---

     Indicate by check mark whether by furnishing the information contained
           in this Form, the registrant is also thereby furnishing the
         information to the Commission pursuant to Rule 12g3-2(b) under
                      the Securities Exchange Act of 1934:

                                  Yes      No X
                                     ---     ---

       If "Yes" is marked, indicate below the file number assigned to the
          registrant in connection with Rule 12g3-2(b): 82-___________


Dassault Systemes S.A. (the "Company") is furnishing under cover of Form 6-K a
press release, dated June 3, 2003, announcing that the Company and IBM are
signing a Product Lifecycle Management contract with CIMOS, a leading automotive
supplier specializing in powertrain, brake and car body parts.


[Dassault Systemes Logo]

                       CIMOS to Cut Design Time with IBM
                             and Dassault Systemes

        Leading Slovenian automotive supplier CIMOS will simplify design
         and maximize collaboration by standardizing Product Lifecycle
                     Management solution in three countries

Paris, France and Koper, Slovenia - June 3, 2003 - IBM and Dassault Systemes
(Nasdaq: DASTY, Euronext Paris: #13065, DSY.PA) today announced the signing of a
Product Lifecycle Management (PLM) contract with CIMOS, a leading automotive
supplier specializing in powertrain, brake and car body parts. The IBM PLM
solution, with CATIA(R) V5 software from Dassault Systemes for collaborative
product development, will enable CIMOS to standardize its product development

With a prestigious customer portfolio including Audi, BMW, Citroen, Ford,
Peugeot and Toyota, CIMOS will benefit from improved collaborative product
development leading to reduced product design time by 15 to 20 per cent. The
solution will be deployed company-wide, including four research and development
facilities in Slovenia, Croatia, Bosnia and Herzegovina. This implementation
underscores CIMOS' recent decision to standardize with a PLM solution from one
supplier exclusively.

"We wanted to standardize on one system to simplify our environment and minimize
our training, so that people would be up to speed as quickly as possible," said
CIMOS IT Specialist Davorka Vilus Vicic. "We found CATIA V5 easy to use,
offering transparency to V4 data and proposing new functionalities such as
Digital Mock-up and Kinematics that are just what we need. We also found out
that we could implement it across many locations simultaneously. Overall, we see
great potential in many areas for this mixed CATIA V4 and V5 environment of over
70 seats. We expect our partners and suppliers to follow us by using it as

"For more than 20 years, Dassault Systemes has provided the manufacturing
industry with the world's most powerful engineering design and data management
solutions," said Etienne Droit, executive vice president, Sales and Services,
Dassault Systemes. "The decision by CIMOS to standardize its entire product
development organization on our CATIA V5 solution is another endorsement of the
strength of our products in the automotive sector."

IBM Business Partner CadCam Design Centar will install the solution.


CIMOS, the leader in the Slovenian Automotive Cluster, was founded in 1972 and
is Slovenia's leading designer and manufacturer of automotive parts, such as
auxiliary braking systems, pedal systems, gearshift mechanisms and engine parts.
CIMOS's customers include well-known automotive manufacturers such as Citroen,
Peugeot, BMW, Ford, Audi and Toyota as well as automotive system suppliers such
as Garrett Honeywell, Meritor, GKN and ZF. CIMOS is based in Koper, Slovenia,
and has eleven production facilities in Slovenia, Croatia, Bosnia and
Herzegovina, as well as four research and development facilities. Find out more

About IBM
IBM is the world's largest information technology company, with 80 years of
leadership in helping businesses innovate. IBM Sales & Distribution, which
supports more than a dozen key industries worldwide, works with companies of all
sizes around the world to deploy the full range of IBM technologies. The fastest
way to get more information about IBM is through the IBM home page at

About Dassault Systemes
As world leader in PLM (Product Lifecycle Management) solutions, the Dassault
Systemes group brings value to more than 65,000 customers in 80 countries. A
pioneer in the 3D software market since 1981, Dassault Systemes develops and
markets PLM application software and services that support industrial processes
and provide a 3D vision of the entire life cycle of products from conception to
retirement. Its offering includes integrated PLM solutions for product
development (CATIA, ENOVIA, DELMIA, SMARTEAM), general-use 3D solutions
(SolidWorks), and 3D components (SPATIAL). Dassault Systemes is listed on the
Nasdaq (DASTY) and Euronext Paris (#13065, DSY.PA) stock exchanges. For more
information, visit

CIMOS Press Contact          IBM Press Contact:          Dassault Systemes Press     Dassault Systemes Investor
Davorka Vilus Vicic          Jennifer Feller             Contacts:                   Contacts:
+386 5 66 58 380             +33 1 41 88 61 89           Anthony Marechal            Emma Rutherford, Harriet      +33 1 55 49 84 21           Keen
                                                 Financial Dynamics
                                                                                     +44 207 831 3113


         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, thereunto duly authorized.

                                        DASSAULT SYSTEMES S.A.

         Date: June 4, 2003             By:      /s/ Thibault de Tersant
                                        Name:    Thibault de Tersant
                                        Title:   Chief Financial Officer,
                                                 Executive Vice President