As Filed with the Securities and Exchange Commission on May 19, 2004.
                                                     Registration No. 333-
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   ----------

                                    FORM F-6
                             REGISTRATION STATEMENT
                                      under
                           THE SECURITIES ACT OF 1933

         For Depositary Shares Evidenced by American Depositary Receipts

                                   ----------

                                  GeneMedix Plc
   (Exact name of issuer of deposited securities as specified in its charter)

                                      N.A.
                   (Translation of issuer's name into English)

                                England and Wales
            (Jurisdiction of incorporation or organization of issuer)

                              THE BANK OF NEW YORK
             (Exact name of depositary as specified in its charter)

                      One Wall Street, New York, N.Y. 10286
                            Telephone (212) 495-1784
    (Address, including zip code, and telephone number, including area code,
                  of depositary's principal executive offices)

                                   ----------

                              The Bank of New York
                                  ADR Division
                           One Wall Street, 29th Floor
                               New York, NY 10286
                            Telephone (212)-495-1784
    (Address, including zip code, and telephone number, including area code,
                             of agent for service)

It is proposed that this filing become effective under Rule 466
|_|   immediately upon filing
|_|   on (Date) at (Time)

      If a separate statement has been filed to register the deposited shares,
check the following box. |_|



                                                   CALCULATION OF REGISTRATION FEE
====================================================================================================================================
                                                                            Proposed maximum     Proposed maximum       Amount of
            Title of each class of                        Amount             Aggregate price        aggregate         registration
         Securities to be registered                 to be registered          per unit (1)      offering price (1)        fee
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                                              
American Depositary Shares evidenced by American       100,000,000                $.05               $5,000,000           $633.50
Depositary Receipts, each American Depositary Share      American
evidencing one common share of GeneMedix Plc            Depositary
                                                          Shares
====================================================================================================================================


(1)   Estimated  solely for the purpose of  calculating  the  registration  fee.
      Pursuant  to Rule  457(k),  such  estimate is computed on the basis of the
      maximum  aggregate  fees or charges to be imposed in  connection  with the
      issuance of American  Depositary  Receipts  evidencing American Depositary
      Shares.

The Registrant hereby amends this  Registration  Statement on such date or dates
as may be necessary to delay its effective date until the Registrant  shall file
a further amendment which specifically  states that this Registration  Statement
shall become  effective in accordance with Section 8(a) of the Securities Act of
1933 or until the registration statement shall become effective, on such date as
the Commission, acting pursuant to said Section 8(a), may determine.

================================================================================




      The  Prospectus  consists  of the  proposed  form of  American  Depositary
Receipt included as Exhibit A to the form of Deposit  Agreement filed as Exhibit
(a) to this Registration Statement, which is incorporated herein by reference.


                                      -2-


                                     PART I

                       INFORMATION REQUIRED IN PROSPECTUS

Item 1. Description of the Securities to be Registered

                              CROSS REFERENCE SHEET



         Item Number and Caption                            Location in Form of
                                                            American Depositary Receipt
                                                            Filed Herewith as Prospectus

                                                      
(1)      Name and address of Depositary                     Introductory Paragraph

(2)      Title of American Depositary Receipts and          Face of American Depositary Receipt, top center
         identity of deposited securities

         Terms of Deposit:

         (i)      The amount of deposited securities        Face of American Depositary Receipt - upper right
                  represented by one unit of American       corner
                  Depositary Shares

         (ii)     The procedure for voting, if any, the     Paragraphs (15) and (16)
                  deposited securities

         (iii)    The collection and distribution of        Paragraphs (12), (14) and (15)
                  dividends

         (iv)     The transmission of notices, reports      Paragraphs (11), (15) and (16)
                  and proxy soliciting material

         (v)      The sale or exercise of rights            Paragraph (13)

         (vi)     The deposit or sale of securities         Paragraphs (12) and (17)
                  resulting from dividends, splits or
                  plans of reorganization

         (vii)    Amendment, extension or termination of    Paragraphs (20) and (21)
                  the Deposit Agreement

         (viii)   Rights of holders of receipts to          Paragraph (11)
                  inspect the transfer books of the
                  Depositary and the list of holders
                  of receipts

         (ix)     Restrictions upon the right to deposit    Paragraphs (2), (3), (4), (5), (6) and (8)
                  or withdraw the underlying securities



                                      -3-




         Item Number and Caption                            Location in Form of
                                                            American Depositary Receipt
                                                            Filed Herewith as Prospectus

                                                      
         (x)      Limitation upon the liability of the      Paragraphs (13) and (18)
                  Depositary

(3)      Fees and Charges                                   Paragraph (7)

Item 2. Available Information

         Item Number and Caption                            Location in Form of
                                                            American Depositary Receipt
                                                            Filed Herewith as Prospectus

2(a)     Statement that GeneMedix Plc furnishes the         Paragraph (11)
         Commission with certain public reports and
         documents required by foreign law or otherwise
         under Rule 12g3-2(b) under the Securities
         Exchange Act of 1934 and that such reports and
         documents can be inspected by holders of
         American Depositary Receipts and copied at
         public reference facilities maintained by the
         Commission in Washington, D.C.



                                      -4-


                                     PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

Item 3. Exhibits

      (1) Form of Deposit Agreement  (including the form of American  Depositary
Receipt),  dated as of [Date],  among GeneMedix Plc (the "Issuer"),  The Bank of
New York, as Depositary (the "Depositary"),  and each Owner and holder from time
to time of American Depositary Receipts ("ADRs") issued thereunder.

      (4) Opinion of Emmet, Marvin & Martin, LLP, counsel for the Depositary, as
to the legality of the securities being registered.

Item 4. Undertakings

      (a) The  Depositary  hereby  undertakes to make available at the principal
office of the Depositary in the United States,  for inspection by holders of the
ADRs, any reports and communications received from the Issuer which are both (1)
received by the  Depositary  as the holder of the deposited  securities  and (2)
made  generally  available to the holders of the  underlying  securities  by the
Issuer.

      (b) The Depositary  hereby  undertakes to notify each registered holder of
an ADR at least thirty days before any change in the fee schedule.


                                      -5-


                                   SIGNATURES

      Pursuant to the  requirements  of the  Securities Act of 1933, The Bank of
New York, on behalf of the legal entity created by the Deposit Agreement,  dated
as of [Date], among GeneMedix Plc, The Bank of New York, as Depositary, and each
Owner and holder of an American  Depositary Receipt issued thereunder  certifies
that it has reasonable  grounds to believe that all the  requirements for filing
on Form F-6 are met and has duly caused this Registration Statement to be signed
on its behalf by the undersigned,  thereunto duly authorized, in The City of New
York, State of New York, on May 19, 2004.

                                                    By: THE BANK OF NEW YORK,
                                                          as Depositary

                                                    By: \s\ Andrew Zelter
                                                        ------------------------
                                                        Name:  Andrew Zelter
                                                        Title: Managing Director


                                      -6-


      Pursuant to the requirements of the Securities Act of 1933,  GeneMedix Plc
has  caused  this  Registration  Statement  to be  signed  on its  behalf by the
undersigned, thereunto duly authorized in England and Wales on May 19, 2004.

                                                    GENEMEDIX PLC

                                                By: /s/  Julian Attfield
                                                    ----------------------------
                                                    Name:  Julian Attfield
                                                    Title: Principal Financial &
                                                           Accounting Officer

      Each of the undersigned  hereby  constitutes and appoints Paul Edwards and
Julian Attfield, each acting severally,  his true and lawful  attorneys-in-fact,
each with power of  substitution,  in his name,  place and stead, in any and all
capacities, to sign any or all amendments,  including post-effective amendments,
and supplements to this Registration  Statement,  and to file the same, with all
exhibits  thereto  and  other  documents  in  connection  therewith,   with  the
Securities  and Exchange  Commission,  hereby  ratifying and confirming all that
said  attorneys-in-fact,  or his substitute or  substitutes,  may lawfully do or
cause to be done by virtue hereof.

      Pursuant  to  the  requirements  of  the  Securities  Act  of  1933,  this
Registration  Statement has been signed by or on behalf of the following persons
in the capacities indicated on May 19, 2004.



Name                                 Title
- ----                                 -----
                                  
/s/ Dr. Kim Tan                      Chairman and Non-Executive Director
- --------------------------------
Dr. Kim Tan

/s/ P.M. Edwards                     Director (Principal Executive Officer)
- --------------------------------
Paul Edwards

/s/ Julian Attfield                  Director (Principal Financial and Accounting Officer)
- --------------------------------
Julian Attfield

/s/ Dr. Hong-Hoi Ting                Director
- --------------------------------
Dr. Hong-Hoi Ting

/s/ Steve Harris                     Non-Executive Director
- --------------------------------
Steve Harris

/s/ Gordon Mylchreest                Non-Executive Director
- --------------------------------
Gordon Mylchreest

/s/ Fong Kwok Jen                    Non-Executive Director
- --------------------------------
Fong Kwok Jen

/s/ Mark R. Saunders                 Authorized Representative in the United States
- --------------------------------
Mark R. Saunders
405 Lexington Avenue, 45th Floor
New York, New York 10174



                                      -7-


                                INDEX TO EXHIBITS

Exhibit
Number
- -------

(1)   Form of Deposit  Agreement,  dated as of  [Date],  among the  Issuer,  the
      Depositary  and each  Owner and  holder  from time to time of ADRs  issued
      thereunder.

(4)   Opinion of Emmet, Marvin & Martin, LLP, counsel for the Depositary,  as to
      the legality of the securities being registered.


                                      -8-