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                                                                     Exhibit 3.1

Microfilm Number _______________                    Filed with the Department of
                                                         State on March 29, 2000


Entity Number  2649181


                                                   Secretary of the Commonwealth


               ARTICLES OF AMENDMENT-DOMESTIC BUSINESS CORPORATION
                             DSCB: 15-1915 (Rev 90)


     In compliance with the requirements of 15 Pa.C.S. Section 1915 (relating to
articles of amendment), the undersigned business corporation, desiring to amend
its Articles, hereby states that:

1.   The name of the corporation is: VerticalNet, Inc.



2.   The (a) address of this corporation's current registered office in this
     Commonwealth or (b) name of its commercial registered office provider and
     the county of venue is (the Department is hereby authorized to correct the
     following information to conform to the records of the Department):

     (a) 700 Dresher Road      Horsham     PA        19044         Montgomery
         -----------------------------------------------------------------------
         Number and Street      City      State       Zip            County

     (b) c/o:___________________________________________________________________
              Name of Commercial Registered                          County
                     Office Provider

     For a corporation represented by a commercial registered office provider,
the county in (b) shall be deemed the county in which the corporation is located
for venue and official publication purposes.

3.   The statute by or under which it was incorporated is: Business Corporation
     Law of 1998

4.   The date of its incorporation is: 07/28/95

5.   (Check, and if appropriate complete, one of the following):

     _X_  The amendment shall be effective upon filing these Articles of
          Amendment in the Department of State.

     ___  The amendment shall be effective on: _____________________ at
          ________________________ Date Hour

6.   (Check one of the following):

     ___  The amendment was adopted by the shareholders (or members) pursuant to
          15 Pa.C.S. Section 1914(a) and (b).

     _X_  The amendment was adopted by the board of directors pursuant to 15
          Pa.C.S. Section 1914(c).

7.   (Check, and if appropriate complete, one of the following):

     ___  The amendment adopted by the corporation, set forth in full, is as
          follows:

          ______________________________________________________________________

          ______________________________________________________________________

          ______________________________________________________________________

     _X_  The amendment adopted by the corporation is set forth in full in
          Exhibit A attached hereto and made a part hereof.
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     DSCB: 15-1915 (Rev 90)-2



8.   (Check if the amendment restates the Articles):

     ___  The restated Articles of Incorporation supersede the original Articles
          and all amendments thereto.


          IN TESTIMONY WHEREOF, the undersigned corporation has caused these
     Articles of Amendment to be signed by a duly authorized officer thereof
     this _____29th__ day of ___March________, 2000 .


                                     VerticalNet, Inc.__________________________
                                                         (Name of Corporation)

                                     By:   /s/ Christopher G. Kuhn
                                                               (Signature)

                                     TITLE: Asst. Secretary & V,P. Legal Affairs
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                                   EXHIBIT "A"


         SEVENTH; Capital Stock. The aggregate number of shares which the
Corporation shall have authority to issue is 136,787,533 shares, par value of
one cent ($0.01) per share, consisting of:

         (a)      126,787,533 shares of Common Stock ("Common Stock"); and

         (b)      10,000,000 shares of Preferred Stock.