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)

                               (Amendment No. 1)*

                        GENEREX BIOTECHNOLOGY CORPORATION
                          ----------------------------
                                (Name of Issuer)

                    Common Stock, par value $0.001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    371485103
                                 --------------
                                 (CUSIP Number)

                                December 31, 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).
                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 2 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     Protius Overseas Limited
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     Isle of Man
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     CO
-----------------------------------------------------------------------------

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 3 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     Cranshire Capital, L.P.
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     Illinois
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     PN
-----------------------------------------------------------------------------

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 4 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     Downsview Capital, Inc.
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     Illinois
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     CO
-----------------------------------------------------------------------------


                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 5 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     JMJ Capital, Inc.
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     Illinois
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     CO
-----------------------------------------------------------------------------

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 6 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     EURAM Cap Strat. "A" Fund Limited
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     Cayman Islands
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     CO
-----------------------------------------------------------------------------

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 7 of 10
-----------------------------------------------------------------------------
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (Entities Only)

     Mitchell P. Kopin
-----------------------------------------------------------------------------
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP     (a) [X]
                                                          (b) [ ]
-----------------------------------------------------------------------------
3    SEC USE ONLY

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

     U.S. Citizen
-----------------------------------------------------------------------------
NUMBER OF      5    SOLE VOTING POWER

SHARES              0
               --------------------------------------------------------------
BENEFICIALLY   6    SHARED VOTING POWER

OWNED BY            1,219,600 (See Item 4)
               --------------------------------------------------------------
EACH           7    SOLE DISPOSITIVE POWER

REPORTING           0
               --------------------------------------------------------------
PERSON         8    SHARED DISPOSITIVE POWER

WITH                1,219,600 (See Item 4)
-----------------------------------------------------------------------------
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,219,600 (See Item 4)
-----------------------------------------------------------------------------
10   CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

                                                                   [ ]
-----------------------------------------------------------------------------
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

     5.89%(See Item 4)
-----------------------------------------------------------------------------
12   TYPE OF REPORTING PERSON

     IN
-----------------------------------------------------------------------------

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 8 of 10

Item 1(a). Name of Issuer:

           Generex Biotechnology Corporation (the "Issuer")

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

           33 Harbour Square, Suite 202
           Toronto, Ontario, Canada M5J 2G2

Items 2(a), Name of Persons Filing, Address of Principal Business Office and
(b) and     Citizenship:
(c).

          This Schedule 13G is being filed on behalf of (i) Protius Overseas
          Limited, an Isle of Man limited company ("Protius"), (ii) Cranshire
          Capital, L.P., an Illinois limited parternship ("Cranshire"), (iii)
          Downsview Capital, Inc., an Illinois corporation ("Downsview"), (iv)
          JMJ Capital, Inc., an Illinois corporation ("JMJ"), (v) EURAM Cap
          Strat. "A" Fund Limited, a Cayman Islands exempted company ("EURAM")
          and (vi) Mitchell P. Kopin, a United States citizen ("Kopin," together
          with Protius, Cranshire, Downsview, JMJ and EURAM, the "Reporting
          Persons").

          The principal business office of Protius is P.O. Box 17512-14, Finch
          Road Douglas, Isle of Man, IM99. The principal business office of each
          of the other Reporting Persons is 666 Dundee Road, Suite 1901,
          Northbrook, Illinois, 60062.

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

          Common Stock, par value $.001 per share, of the Issuer (the "Common
          Stock")

Item 2(e). CUSIP Number:

          371485103

Item 3.    Not applicable.

Item 4.    Ownership.

         (a) Amount beneficially owned:

          1,219,600 shares of Common Stock*

         (b) Percent of class:

          Based on 20,693,434 shares of Common Stock of the Issuer outstanding
          as of October 31, 2002 (as set forth in the Issuer's Form 10-Q for the
          period ended October 31, 2002), the Reporting Persons hold
          approximately 5.89%* of the issued and outstanding Common Stock of the
          Issuer. The shares of Common Stock reported in this Schedule 13G
          include 80,012 shares of Common Stock issuable upon the exercise of
          warrants held by Cranshire.

                                 SCHEDULE 13G
CUSIP NO. 371485103                                              Page 9 of 10

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

              (i)   Sole power to vote or direct the vote: 0

              (ii)  Shared power to vote or direct the vote: 1,219,600*

              (iii) Sole power to dispose or to direct the disposition of: 0

              (iv)  Shared power to dispose of or direct the disposition of:
                    1,219,600*

          *The beneficial ownership reported by the Reporting Persons excludes
          certain warrants held by Protius which Protius is contractually
          restricted from exercising at this time. Protius cannot exercise such
          warrants so long as the Reporting Persons would be deemed "beneficial
          owners" of more than 4.9% of the Common Stock following such
          conversion.

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 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 a 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.

                                  SCHEDULE 13G
CUSIP NO. 371485103                                              Page 10 of 10

                                    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.

Dated:   February 6, 2003

                                 PROTIUS OVERSEAS LIMITED

                                 By: /s/ Gordon J. Mundy
                                    -----------------------------
                                      Gordon J. Mundy

                                CRANSHIRE CAPITAL, L.P.

                                 By: Downsview Capital, Inc.,
                                     its General Partner

                                 By:/s/ Mitchell P. Kopin
                                    ------------------------------
                                      Mitchell P. Kopin, President


                                 DOWNSVIEW CAPITAL, INC.

                                 By:/s/ Mitchell P. Kopin
                                   -------------------------------
                                      Mitchell P. Kopin, President


                                 EURAM CAP STRAT. "A" FUND LIMITED

                                 By: JMJ Capital, Inc.,
                                     its Investment Manager

                                 By:/s/ Mitchell P. Kopin
                                    ------------------------------
                                     Mitchell P. Kopin, President


                                JMJ CAPITAL, INC.

                                By:/s/ Mitchell P. Kopin
                                   ------------------------------
                                     Mitchell P. Kopin, President


                                /s/ Mitchell P. Kopin
                                --------------------------------
                                Mitchell P. Kopin