SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549
                                    ---------

                                    FORM 6-K


                        REPORT OF FOREIGN PRIVATE ISSUER


                        Pursuant to Rule 13a-16 or 15d-16
                     of the Securities Exchange Act of 1934


                       LION BIOSCIENCE AKTIENGESELLSCHAFT
             (Exact Name of Registrant as Specified in its Charter)

                           FEDERAL REPUBLIC OF GERMANY
                 (Jurisdiction of Incorporation or Organization)

                           Im Neuenheimer Feld 515-517
                               D-69120 Heidelberg
                                     Germany
                    (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 whether the registrant by furnishing the information
    contained in this Form 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): Not Applicable

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     LION bioscience Aktiengesellschaft's Report for the three month period
ended June 30, 2003 is attached as Exhibit 99.1 and incorporated by reference in
this Form 6-K.

     This Report of Foreign Private Issuer on Form 6-K is specifically
incorporated by reference in the Company's Registration Statement of Form F-3
(Reg. No. 333-90730) filed on June 18, 2002, as amended on July 16, 2002.

               Exhibit No.                              Description

                  99.1                     Report for the three month period
                                           ended June 30, 2003

                                  Page 2 of 3



     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.


                                LION bioscience Aktiengesellschaft



                                      By:   /s/ Friedrich von Bohlen und Halbach
                                      Name: Dr. Friedrich von Bohlen und Halbach
                                      Title: Chief Executive Officer




Dated:  August 6, 2003

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