Document:

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                                                                     Exhibit 4.2

RIGHTS CERTIFICATE NUMBER:  R                     NUMBER OF RIGHTS:
                          ---------                                 ----------

                                                            CUSIP: [         ]

                              ACORN PRODUCTS, INC.
                             A DELAWARE CORPORATION

                               RIGHTS CERTIFICATE

THE TERMS AND CONDITIONS FOR THE DISTRIBUTION OF RIGHTS ARE
SET FORTH IN THE RIGHTS AGREEMENT BETWEEN ACORN PRODUCTS, INC. (THE "COMPANY")
AND AMERICAN STOCK TRANSFER & TRUST COMPANY AND THE COMPANY'S PROSPECTUS DATED
NOVEMBER 21, 2002 (THE "PROSPECTUS") AND ARE INCORPORATED HEREIN BY REFERENCE.
COPIES OF THE PROSPECTUS ARE AVAILABLE UPON REQUEST FROM THE RIGHTS AGENT OR THE
COMPANY. CAPITALIZED TERMS USED HEREIN WITHOUT DEFINITION SHALL HAVE THE
MEANINGS ASCRIBED TO SUCH TERMS IN THE PROSPECTUS.

THIS RIGHTS CERTIFICATE MUST BE RECEIVED BY THE RIGHTS AGENT WITH PAYMENT IN
FULL BEFORE 5:00 P.M. NEW YORK TIME ON DECEMBER 23, 2002 (THE "EXPIRATION
DATE").

The rights ("Rights") represented by this Rights Certificate may be exercised,
in whole or in part, by duly completing Form 1A. Before exercising Rights,
Rights Holders are urged to read carefully and in their entirety the Prospectus
and Instructions on the reverse side of this Certificate.

IMPORTANT: ALSO COMPLETE FORM 1B (INSTRUCTIONS FOR DELIVERY TO DIFFERENT
ADDRESS) (IF APPLICABLE) AND FORM 1C (METHOD OF PAYMENT).

Evidencing Rights to Purchase [__] Common Shares of Acorn Products, Inc.

Subscription Price: $5.00 per Right

THE RIGHTS WILL BE VALUELESS IF NOT EXERCISED ON OR BEFORE DECEMBER 23, 2002, AT
5:00 P.M., NEW YORK TIME, UNLESS OTHERWISE EXTENDED.

RECORD HOLDER [___________]

THIS IS TO CERTIFY THAT the record holder named above, or its assigns, is
entitled to subscribe on or before the Expiration Date, for Common Shares of
Acorn Products, Inc., a Delaware corporation (the "Company"), on the terms and
conditions specified in the Prospectus, by exercising the Rights represented by
this Certificate. Each full Right, accompanied by payment of $5.00, will entitle
the holder to purchase one Common Share of the Company. The Rights represented
by this Rights Certificate may be exercised by completing Form 1A and any other
appropriate forms on the reverse side of this Certificate.

Prior to due presentment for registration of transfer hereof, the Company and
the Rights Agent may deem and treat the Registered Holder as the absolute owner
hereof and of each Right represented hereby (notwithstanding any notations of
ownership or writing hereon made by anyone other than a duly authorized officer
of the Company or the Rights Agent) for all purposes and shall not be affected
by any notice to the contrary.

<PAGE>

This Rights Certificate is not valid unless countersigned by the Rights Agent.

IN WITNESS WHEREOF, the Company has caused this Rights Certificate to be duly
executed, manually or in facsimile, by two of its officers thereunto duly
authorized and a facsimile of its corporate seal to be imprinted hereon.

ACORN PRODUCTS, INC.

Dated:  ____________________ By:  ______________________________

By:  ______________________________

[seal]

Countersigned:

AMERICAN STOCK TRANSFER & TRUST COMPANY,
as Rights Agent

By   ___________________________
         Authorized Officer
Dated: ______________________

<PAGE>

                            [REVERSE OF CERTIFICATE]

                              ACORN PRODUCTS, INC.

RETURN TO RIGHTS AGENT

by mail, overnight or hand delivery to:

American Stock Transfer & Trust Company
59 Maiden Lane, Plaza Level
New York, New York  10038
Attention:  ____________________

                            EXERCISE AND SUBSCRIPTION
       THE EXPIRATION DATE OF THIS RIGHTS CERTIFICATE IS DECEMBER 23, 2002
                           at 5:00 P.M. NEW YORK TIME

FORM 1A - SUBSCRIPTION

I hereby subscribe for the following Rights, upon the terms specified in the
enclosed Prospectus:

No. of Rights              Price            Payment

[________]      x          $5.00   =        [________________]

(THIS FULL AMOUNT, PAYABLE TO THE ORDER OF AMERICAN STOCK TRANSFER & TRUST
COMPANY MUST ACCOMPANY THE SUBSCRIPTION.)

----------------------------                 ----------------------------
Subscriber's Signature                     Telephone No. (including area code)

     (IF FORM 1B IS BEING COMPLETED, A SIGNATURE GUARANTEE WILL BE REQUIRED)

Signature Guaranteed By:

-------------------------------------------
IMPORTANT: The signature(s) should be guaranteed by an eligible guarantor
institution (bank, stock broker, savings & loan association and credit union)
with membership in an approved signature guarantee medallion program pursuant to
Securities and Exchange Commission Rule 17Ad-15.

FORM 1B - DELIVERY TO DIFFERENT ADDRESS

INSTRUCTIONS FOR DELIVERY TO DIFFERENT ADDRESS

<PAGE>

If you wish for the Shares underlying your Rights represented by the Rights
Certificate, to be delivered to an address different from that shown on the face
of this Rights Certificate, please enter the address below. SIGNATURE GUARANTEE
WILL BE REQUIRED IN FORM 1A.

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

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

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

FORM 1C - METHOD OF PAYMENT

METHOD OF PAYMENT (CHECK ONE)

__       Uncertified check drawn on a bank located in the United States payable
         to the order of American Stock Transfer & Trust Company. Funds paid by
         an uncertified check may take at least five business days to clear.
         Accordingly, Rights holders who pay the exercise price with an
         uncertified check must make payment sufficiently in advance of the
         Expiration Date to ensure that the check is received and clears by the
         Expiration Date. The company will not consider any payment by check to
         have been made until the check clears.

__       Certified check or bank check drawn on a U.S. bank payable to the order
         of American Stock Transfer & Trust Company.

__       Wire transfer directed to the account maintained by the American Stock
         Transfer & Trust Company at the Chase Manhattan Bank, Account No.
         __________.

IF THE AMOUNT ENCLOSED OR TRANSMITTED IS NOT SUFFICIENT TO PAY THE SUBSCRIPTION
PRICE FOR ALL OF THE RIGHTS EXERCISED, OR IF THE NUMBER OF RIGHTS TO BE
EXERCISED IS NOT SPECIFIED, THE HOLDER WILL BE DEEMED TO HAVE SUBSCRIBED FOR THE
MAXIMUM NUMBER OF RIGHTS THAT COULD BE SUBSCRIBED FOR THE AMOUNT ENCLOSED OR
TRANSMITTED.

                                  INSTRUCTIONS
                     TO SUBSCRIBE USE OF FORMS 1A, 1B AND 1C

To subscribe, fill in Forms 1A, 1B (if applicable), and 1C on your Rights
Certificate and sign on the line marked "Subscriber's Signature."

Each Right entitles its holder to purchase one Common Share for a Subscription
Price of $5.00.

Full payment of the Subscription Price must accompany the Rights Certificate and
may come via wire transfer or check drawn by a bank located in the United States
payable to the order of American Stock Transfer & Trust Company.

NOTE: You may choose to exercise fewer Rights than the maximum number of Rights
to which you are entitled, as represented by the Rights Certificate. To do this,
follow the instructions for Form 1A using only the number of Rights for which
you wish to subscribe.<PAGE>
                                  Exhibit 4.1

                            Articles of Incorporation

                                       of

                            Trend Micro Incorporated

                                    CHAPTER I
                               GENERAL PROVISIONS

Article 1. Corporate Name

        The corporate name of the Company shall be "Trend Micro Kabushiki
Kaisha" and in English it shall be "Trend Micro Incorporated."

Article 2. Purposes

        The purposes of the Company shall be to engage in the following
businesses:

        (a) Manufacture, sale, import and export of electronic components;

        (b) Manufacture, sale, import and export of household electric
            appliances;

        (c) Manufacture, sale, import and export of communications equipment;

        (d) Manufacture, sale, import and export of medical equipment;

        (e) Design, sale, import and export of computer software;

        (f) Design, sale, import and export of computer hardware and related
            products;

        (g) Administration and maintenance of computer systems;

        (h) Provision of consultation with respect to computer systems; and

        (i) Any other business incidental to any of the preceding items.

Article 3. Location of Head Office

        The head office of the Company shall be located in Shibuya-ku, Tokyo.

Article 4. Method of Placing Public Notice

        Public notices of the Company shall be placed in the Nihon Keizai
Shimbun.

                                       1

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                                   CHAPTER II
                                     SHARES

Article 5. Total Number of Shares to be Issued

        The total number of shares to be issued by the Company shall be two
hundred and fifty million (250,000,000).

Article 6. Number of Shares Constituting One Unit

        The number of shares constituting one unit of the Company shall be
five hundred (500).

Article 7. Non-issuance of Share Certificates Representing Less Than One Unit

        The Company shall not issue share certificates representing less than
one unit.

Article 8. Transfer Agent

       (a)  The Company shall appoint a transfer agent in respect of its shares.

       (b)  The transfer agent and its business handling office shall be
determined by resolution of the Board of Directors.

       (c) The register of shareholders (including register of beneficial
shareholders, likewise hereinafter) of the Company shall be kept at the business
handling office of the transfer agent, and the Company shall cause the transfer
agent to handle registration of transfer of shares, the take up of shares not
constituting one unit, the receipt of beneficial shareholders' notices and any
other business pertaining to the shares and the Company itself shall not handle
these matters.

Article 9. Share Handling Regulations

        The denominations of share certificates of the Company, registration of
transfer of shares, purchase of shares not constituting one unit, receipt of
beneficial shareholders' notices and any other matters concerning shares and
share handling fees shall be governed by the Share Handling Regulations
established by resolution of the Board of Directors.

                                       2

<PAGE>

Article 10. Record Date

      (a) The shareholders (including beneficial shareholders, likewise
hereinafter) appearing or electrically recorded in the register of shareholders
of the Company as of the last day of each fiscal year shall be entitled to
exercise their rights at the ordinary general meeting of shareholders relating
to the relevant accounts.

      (b) In addition to the preceding paragraph, the Company may, if necessary,
determine the shareholders or registered pledgees appearing or electrically
recorded in the register of shareholders as of a certain date to be entitled to
exercise their rights by giving prior public notice in accordance with a
resolution of the Board of Directors.

                                  CHAPTER III
                         GENERAL MEETING OF SHAREHOLDERS

Article 11. Convocation

         An ordinary general meeting of shareholders of the Company shall be
convened in March each year and an extraordinary general meeting of shareholders
may be convened whenever necessary.

Article 12. Chairman

         The chairman of a general meeting of shareholders shall be a person
selected in advance from the Company's directors, shareholders employees or
advisory counsel by Board of Directors. When such person is unable to so act,
another person determined in accordance with an order predetermined by
resolution of the Board of Directors shall act as chairman.

                                       3

<PAGE>

Article 13.  Method of Resolution

         Unless otherwise provided by laws and ordinances or these Articles of
Incorporation, resolutions of general meeting of shareholders shall be adopted
by a majority vote of the voting rights of shareholders present at the meeting.

Article 14.  Exercise of Voting Rights by Proxy

         (a) A shareholder may exercise his/her voting rights through a proxy
who is also a shareholder of the Company having voting rights.

         (b) In case of the preceding paragraph, the shareholder or the proxy
shall be required to file with the Company a document evidencing his/her
authority each time he/she acts as proxy.

Article 15.  Minutes

         The substance of proceedings at a general meeting of shareholders and
the results thereof shall be recorded or electrically recorded in the minutes of
the meeting which shall bear the names and seals or electrical signature of the
chairman and the directors present thereat.

                                   CHAPTER IV

                      DIRECTORS AND THE BOARD OF DIRECTORS

Article 16.  Number of Directors

         The Company shall have not more than eight (8) directors.

Article 17.  Election of Directors

         (a) Directors of the Company shall be elected at a general meeting of
shareholders.

         (b) Resolution for election of directors shall be adopted by a majority
vote at a general meeting of shareholders at which shareholders who hold shares
representing one-third (1/3) or more of the total number of issued shares with
voting rights are present.

                                       4

<PAGE>

         (c) With respect to the resolution for election of directors,
cumulative voting shall not be adopted.

Article 18.  Term of Office of Directors

         (a) The term of office of directors shall expire at the conclusion of
the ordinary general meeting of shareholders with respect to the last closing of
accounts within two (2) years after their assumption of office.

         (b) The term of office of any director elected to fill a vacancy due to
early retirement shall be the same as the remainder of the term of office of the
retired director.

         (c) The term of office of any director elected due to increase in
number of directors shall be the same as the remainder of the term of office of
the other directors in office.

Article 19.  Convocation and Chairman of the Board of Directors

         (a) The President and Director shall convene and act as chairman of the
Board of Directors. When the President and Director is unable to so act, one of
the other directors determined in accordance with an order predetermined by the
Board of Directors shall act in his/her place.

         (b) Notice of convocation of a meeting of the Board of Directors shall
be sent to each director and corporate auditor at least three (3) days prior to
the date set for such meeting; provided, however, that in case of urgency such
period may be shortened.

Article 20.  Directors with Special Titles

         By resolution of the Board of Directors, the Company may, from among
Directors, appoint one President and Director and, if necessary, one or more
Chairman and Directors, Vice President and Directors, Senior Managing Directors
and Managing Directors.

                                       5

<PAGE>

Article 21.  Representative Directors

         (a) The President and Director shall represent the Company and manage
the business of the Company.

         (b) By resolution of the Board of Directors, the Company may elect the
director who represents the Company.

Article 22.  Method of Resolution of the Board of Directors

         Resolution of the Board of Directors shall be adopted by a majority of
the directors present at a meeting at which majority of the directors are
present.

Article 23.  Minutes of the Board of Directors

         The substance of proceedings at a meeting of the Board of Directors and
the results thereof shall be recorded or electrically recorded in the minutes of
the meeting which shall bear the names and seals or electrical signature of the
directors and corporate auditors present thereat.

Article 24.  Regulations of the Board of Directors

         Matters concerning the Board of Directors shall be governed by the
Regulations of the Board of Directors established by resolution of the Board of
Directors in addition to laws and ordinances and these Articles of
Incorporation.

Article 25.  Remuneration and Retirement Allowances of Directors

         Remuneration and retirement allowances of directors shall be determined
by resolution of a general meeting of shareholders.

                                    CHAPTER V

                             CORPORATE AUDITORS AND

                         THE BOARD OF CORPORATE AUDITORS

Article 26.  Number of Corporate Auditors

         The Company shall have not more than four (4) corporate auditors.

                                       6

<PAGE>

Article 27.  Election of Corporate Auditors

         (a) Corporate auditors of the Company shall be elected at a general
meeting of shareholders.

         (b) Resolution for election of corporate auditors shall be adopted by a
majority vote at a general meeting of shareholders at which shareholders who
hold shares representing one-third (1/3) or more of the total number of issued
shares with voting rights are present.

Article 28.  Term of Office of Corporate Auditors

         (a) The term of office of corporate auditors shall expire at the
conclusion of the ordinary general meeting of shareholders with respect to the
last closing of accounts within four (4) years after their assumption of office.

         (b) The term of office of any corporate auditor elected to fill a
vacancy due to early retirement shall be the same as the remainder of the term
of office of the retired corporate auditor.

Article 29.  Standing Corporate Auditor

         Standing corporate auditor shall be appointed from among the corporate
auditors.

Article 30.  Notice of Convocation of Meetings of the Board of Corporate
Auditors

         Notice of convocation of a meeting of the Board of Corporate Auditors
shall be sent to each corporate auditor at least three (3) days prior to the
date set for such meeting; provided, however, that in case of urgency such
period may be shortened.

Article 31.  Method of Resolution of the Board of Corporate Auditors

         Unless otherwise provided by laws and ordinances, resolutions of the
Board of Corporate Auditors shall be adopted by a majority of the corporate
auditors.

                                       7

<PAGE>

Article 32.  Minutes of the Board of Corporate Auditors

         The substance of proceedings at a meeting of the Board of Corporate
Auditors and the results thereof shall be recorded or electrically recorded in
the minutes of the meeting which shall bear the names and seals or electrical
signature of the corporate auditors present thereat.

Article 33.  Regulations of the Board of Corporate Auditors

         Matters concerning the Board of Corporate Auditors shall be governed by
the Regulations of the Board of Corporate Auditors established by resolution of
the Board of Corporate Auditors in addition to laws and ordinances and these
Articles of Incorporation.

Article 34.  Remuneration and Retirement Allowances of Corporate Auditors

         The remuneration and retirement allowances of corporate auditors shall
be determined by resolution of a general meeting of shareholders.

                                   CHAPTER VI
                                    ACCOUNTS

Article 35.  Fiscal Year

         The fiscal year of the Company shall be from January 1 through December
31 of each year and the account shall be settled on the last day of the fiscal
year.

Article 36.  Dividends

         Dividends of the Company shall be paid to shareholders or registered
pledgees appearing or electrically recorded in the final register of
shareholders of the Company as of December 31 of each year.

Article 37.  Interim Dividends

         The Company may, upon resolution of the Board of Directors, make
pecuniary distribution provided for in Article 293-5 of the Commercial Code
(hereinafter referred to as the

                                       8

<PAGE>

"interim dividends") to shareholders or registered pledgees appearing or
electrically recorded in the final register of shareholders of the Company as of
June 30 of each year.

Article 38. Prescription Period of Dividends

     (a) In case dividends or interim dividends remain unclaimed for three (3)
years after the date of commencement of payment, the Company shall be relieved
from the obligation of payment thereof.

     (b) Unclaimed dividends or interim dividends shall not bear any interest.

Supplementary Provision:

Notwithstanding the provisions of Article 28, "within four (4) years after
their assumption of office" in the Article 28 shall be replaced into "within
three (3) years after their assumption of office" with respect to the corporate
auditors who have been in office before the close of the annual general meeting
of shareholders regarding fiscal year ending December 2002; provided, however,
that this supplementary provision shall be deleted upon the retirement of all
such corporate auditors.

                                       9

<PAGE>

     We hereby certify that the above is the Articles of Incorporation of the
Company currently in effect.

                                           Date:

                                           Chang Ming Jang
                                           President and Representative Director
                                           Trend Micro Incorporated

                                       10

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