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  <TITLE>Art Technology Group, Inc.</TITLE>
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <P align="center"><FONT size="2"><B>As filed with the Securities and
  Exchange Commission on June&nbsp;12, 2003</B>
  </FONT>
  
  <P align="center"><FONT size="2"><B>Registration No.&nbsp;333-</B>
  </FONT>
  
  <P align="center"><FONT size="4"><B>SECURITIES AND EXCHANGE COMMISSION</B>
  </FONT>
  <DIV align="center"><FONT size="3"><B>WASHINGTON, D.C. 20549</B></FONT></DIV>
  
  
  <P align="center"><FONT size="5"><B>FORM S-8</B>
  </FONT>
  
  <P align="center"><FONT size="3"><B>REGISTRATION STATEMENT UNDER<BR>
  THE SECURITIES ACT OF 1933</B>
  </FONT>
  
  <P align="center"><FONT size="6"><B>ART TECHNOLOGY GROUP, INC.</B>
  </FONT>
  
  <DIV align="center"><FONT size="2"><B>(Exact Name of Registrant as Specified in Its Charter)</B>
  </FONT></DIV>
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      <TD width="51%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="44%">&nbsp;</TD>
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  <TR valign="bottom">
      <TD align="center" valign="top"><FONT size="2"><B>Delaware</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">
  <B>04-3141918</B></FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD align="center" valign="top"><FONT size="2"><B>(State or other jurisdiction of</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">
  <B>(I.R.S. Employer</B></FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD align="center" valign="top"><FONT size="2"><B>incorporation or organization)</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">
  <B>Identification Number)</B></FONT></TD>
  </TR>
  </TABLE>
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      <TD align="center" valign="top"><FONT size="2"><B>25 First Street<BR>
  Cambridge, Massachusetts<BR>
  (Address of principal executive offices)</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">
  <B>02141<BR>
  (Zip Code)</B></FONT></TD>
  </TR>
  </TABLE>
  </CENTER>
  <P align="center"><FONT size="2"><B>AMENDED AND RESTATED 1999 OUTSIDE DIRECTOR STOCK OPTION PLAN</B>
  </FONT>
  
  <DIV align="center"><FONT size="2"><B>(Full Title of the Plan)</B>
  </FONT></DIV>
  <P align="center"><FONT size="2"><B>ROBERT D. BURKE<BR>
  CHIEF EXECUTIVE OFFICER<BR>
  ART TECHNOLOGY GROUP, INC.<BR>
  25 FIRST STREET<BR>
  CAMBRIDGE, MASSACHUSETTS 02141</B>
  </FONT>
  
  <P align="center"><FONT size="2"><B>(Name and Address of Agent For Service)</B>
  </FONT>
  
  <P align="center"><FONT size="2"><B>(617)&nbsp;386-1000<BR>
  (Telephone Number, Including Area Code, of Agent For Service)</B>
  </FONT>
  
  <P align="center"><FONT size="2"><B>CALCULATION OF REGISTRATION FEE</B>
  </FONT>
  
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      <TD width="32%">&nbsp;</TD>
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      <TD width="49%">&nbsp;</TD>
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      <TD width="31%">&nbsp;</TD>
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      <TD width="7%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="7%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="2%">&nbsp;</TD>
      <TD width="1%">&nbsp;</TD>
      <TD width="3%">&nbsp;</TD>
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      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Proposed</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Proposed</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
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  <TR valign="bottom">
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Maximum</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Maximum</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
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      <TD nowrap align="center"><FONT size="1"><B>Title of Securities</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Amount to be</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Offering Price</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Aggregate</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Amount of</B></FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><FONT size="1"><B>to be Registered</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Registered (2)</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Per Share</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Offering Price</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center" colspan="3"><FONT size="1"><B>Registration Fee</B></FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
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  <TR valign="bottom">
      <TD><DIV style="margin-left:10px; text-indent:-10px"><FONT size="2"><B>Common Stock, $0.01
  par value per share
  (1)</B></FONT></DIV></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD colspan="3" align="center"><FONT size="2"><B>500,000 shares</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD nowrap align="right"><FONT size="2"><B>$</B></FONT></TD>
      <TD align="right"><FONT size="2"><B>1.81</B></FONT></TD>
      <TD nowrap><FONT size="2"><B>(3)</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD nowrap align="right"><FONT size="2"><B>$</B></FONT></TD>
      <TD align="right"><FONT size="2"><B>905,000</B></FONT></TD>
      <TD nowrap><FONT size="2"><B>(3)</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="right"><FONT size="2"><B>$</B></FONT></TD>
      <TD align="right"><FONT size="2"><B>73.22</B></FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
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      <TD nowrap align="center"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD colspan="3"><HR size="1" noshade></TD>
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  </TABLE>
  </CENTER>
  
  <P align="center"><FONT size="2"></FONT>
  
  
  
  
  <!-- PAGEBREAK -->
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  <!-- TOC -->
  <A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>
  
  <P><CENTER>
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  	<TD width="76%"></TD>
  </TR>
  <TR><TD colspan="9"><A HREF="#000">STATEMENT OF INCORPORATION BY REFERENCE</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#001">ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL</A></TD></TR>
  <TR><TD></TD><TD colspan="8"><A HREF="#002">ITEM 8. EXHIBITS</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#003">SIGNATURES</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#004">POWER OF ATTORNEY AND SIGNATURES</A></TD></TR>
  <TR><TD colspan="9"><A HREF="#005">INDEX TO EXHIBITS</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b46882atexv4w1.txt">Ex-4.1 Amended and Restated Certificate of Inc.</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b46882atexv5w1.txt">Ex-5.1 Opinion of Hale & Dorr LLP</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b46882atexv10w1.txt">Ex-10.1 1999 Outside Director Stock Option Plan</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b46882atexv23w2.txt">Ex-23.2 Consent of Ernst & Young</A></TD></TR>
  <TR><TD colspan="9"><A HREF="b46882atexv23w3.txt">Ex-23.3 Notice Regarding Consent</A></TD></TR>
  </TABLE>
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  
  <P>
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
  <TR valign="top">
      <TD width="1%" align="left" nowrap><FONT size="2">(1)</FONT></TD>
      <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
      <TD width="96%"><FONT size="2">Including the associated Preferred Stock Purchase Rights.</FONT></TD>
  </TR>
  <TR>
      <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR valign="top">
      <TD width="1%" align="left" nowrap><FONT size="2">(2)</FONT></TD>
      <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
      <TD width="96%"><FONT size="2">In accordance with Rule&nbsp;416 under the Securities Act of 1933, as amended,
  this registration statement shall be deemed to cover any additional
  securities that may from time to time be offered or issued to prevent
  dilution resulting from stock splits, stock dividends or similar
  transactions.</FONT></TD>
  </TR>
  <TR>
      <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR valign="top">
      <TD width="1%" align="left" nowrap><FONT size="2">(3)</FONT></TD>
      <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
      <TD width="96%"><FONT size="2">Estimated solely for the purpose of calculating the registration fee
  pursuant to Rules&nbsp;457(c) and 457(h) of the Securities Act of 1933, as
  amended, and based upon the average of the high and low prices of the
  Registrant&#146;s Common Stock as reported on the Nasdaq National Market on
  June&nbsp;9, 2003.</FONT></TD>
  </TR>
  </TABLE>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In addition, pursuant to Rule&nbsp;416 (c)&nbsp;under the Securities Act of 1933,
  this registration statement also covers an indeterminate amount of interests to
  be offered or sold pursuant to the employee benefit plan(s) described herein.
  </FONT>
  <!-- link1 "STATEMENT OF INCORPORATION BY REFERENCE" -->
  <DIV align="left"><A NAME="000"></A></DIV>
  <P align="center"><FONT size="2"><B>STATEMENT OF INCORPORATION BY REFERENCE</B>
  </FONT>
  
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This registration statement on Form&nbsp;S-8 is filed to register the offer and
  sale of an additional 500,000 shares of the Registrant&#146;s common stock, $0.01
  par value per share, to be issued under the Registrant&#146;s 1999 Amended and
  Restated Outside Director Stock Option Plan. This registration statement
  incorporates by reference the contents of the registration statement on Form
  S-8, File No.&nbsp;333-83327, filed by the Registrant on July&nbsp;21, 1999, relating to
  the Registrant&#146;s Amended and Restated 1999 Outside Director Stock Purchase
  Plan.
  </FONT>
  <!-- link2 "ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL" -->
  <DIV align="left"><A NAME="001"></A></DIV>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL.</B>
  </FONT>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hale and Dorr LLP has opined as to the legality of the securities being
  offered by this registration statement.
  </FONT>
  <!-- link2 "ITEM 8. EXHIBITS" -->
  <DIV align="left"><A NAME="002"></A></DIV>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>ITEM 8. EXHIBITS.</B>
  </FONT>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Exhibit&nbsp;Index immediately preceding the exhibits is incorporated herein by
  reference.
  </FONT>
  <P align="center"><FONT size="2">&nbsp;</FONT>
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  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  
  <!-- link1 "SIGNATURES" -->
  <DIV align="left"><A NAME="003"></A></DIV>
  <P align="center"><FONT size="2"><B>SIGNATURES</B>
  </FONT>
  
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant
  certifies that it has reasonable grounds to believe that it meets all of the
  requirements for filing on Form&nbsp;S-8 and has duly caused this registration
  statement to be signed on its behalf by the undersigned, thereunto duly
  authorized, in Cambridge, Massachusetts, on this 11<SUP>th</SUP> day of June, 2003.
  </FONT>
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      <TD width="5%">&nbsp;</TD>
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  <TR valign="bottom">
      <TD valign="top" colspan="3"><FONT size="2"><B>ART TECHNOLOGY GROUP, INC</B>.<BR>
  (Registrant)
  </FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">
  
  By:</FONT></TD>
  
      <TD width="5%">&nbsp;</TD>
      <TD align="center" valign="top"><FONT size="2">
  /s/ Robert D. Burke</FONT></TD>
  
  </TR>
  
  <TR>
      <TD align="left" valign="top" colspan="3"><FONT size="2">
  <HR style="margin-left:27px" size="1" noshade></FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">
  Robert D. Burke<BR>
  <I>Chief Executive Officer<BR>
  and President</I></FONT></TD>
  </TR>
  </TABLE>
  </CENTER>
  <P align="center"><FONT size="2">&nbsp;</FONT>
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  <!-- link1 "POWER OF ATTORNEY AND SIGNATURES" -->
  <DIV align="left"><A NAME="004"></A></DIV>
  <P align="center"><FONT size="2"><B>POWER OF ATTORNEY AND SIGNATURES</B>
  </FONT>
  
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We, the undersigned officers and directors of Art Technology Group, Inc.
  hereby severally constitute and appoint Robert D. Burke, Michael A. Pellini and
  Edward Terino, and each of them singly, our true and lawful attorneys with full
  power to them, and each of them singly, to sign for us and in our names in the
  capacities indicated below, the registration statement on Form&nbsp;S-8 filed
  herewith and any and all subsequent amendments to said registration statement,
  and generally to do all such things in our names and on our behalf in our
  capacities as officers and directors to enable Art Technology Group, Inc. to
  comply with the provisions of the Securities Act of 1933, as amended, and all
  requirements of the Securities and Exchange Commission, hereby ratifying and
  confirming our signatures as they may be signed by our said attorneys, or any
  of them, to said registration statement and any and all amendments thereto.
  </FONT>
  <P align="left"><FONT size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration
  statement has been signed by
  the following persons in the capacities and on the dates indicated.
  </FONT>
  <CENTER>
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  <TR valign="bottom">
      <TD width="26%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
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      <TD width="5%">&nbsp;</TD>
      <TD align="center" valign="top">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><FONT size="1"><B>NAME</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center"><FONT size="1"><B>TITLE</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="1"><B>DATE</B></FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><HR size="1" noshade></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2"><BR>
  /s/ Robert D. Burke
  <HR size="1" noshade>
  Robert D. Burke</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director, Chief Executive Officer and President<BR>
  <I>(Principal Executive Officer)</I>
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2"><BR>
  /s/ Edward Terino
  <HR size="1" noshade>
  Edward Terino</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Senior Vice President and Chief Financial Officer<BR>
  <I>(Principal Financial and Accounting Officer)</I>
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ Paul G. Shorthose
  <HR size="1" noshade>
  Paul G. Shorthose</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Chairman of the Board
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ John R. Held
  <HR size="1" noshade>
  John R. Held</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ Irene H. Lang
  <HR size="1" noshade>
  Ilene H. Lang</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ Mary Makela
  <HR size="1" noshade>
  Mary E. Makela</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ Thomas N. Matlack
  <HR size="1" noshade>
  Thomas N. Matlack</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR>
      <TD valign="top" align="center"><FONT size="2">/s/ Phyllis S. Swersky
  <HR size="1" noshade>
  Phyllis S. Swersky</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Director
  </FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="center" valign="top"><FONT size="2">June&nbsp;11, 2003</FONT></TD>
  </TR>
  </TABLE>
  </CENTER>
  <P align="center"><FONT size="2">&nbsp;</FONT>
  
  <!-- PAGEBREAK -->
  <P><HR noshade><P>
  <H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
  
  
  <!-- link1 "INDEX TO EXHIBITS" -->
  <DIV align="left"><A NAME="005"></A></DIV>
  <P align="center"><FONT size="2"><B>INDEX TO EXHIBITS</B>
  </FONT>
  
  <CENTER>
  <TABLE cellspacing="0" border="0" cellpadding="0" width="100%">
  <TR valign="bottom">
      <TD width="8%">&nbsp;</TD>
      <TD width="5%">&nbsp;</TD>
      <TD width="87%">&nbsp;</TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><FONT size="1"><B>NUMBER</B></FONT></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center"><FONT size="1"><B>DESCRIPTION</B></FONT></TD>
  </TR>
  <TR valign="bottom">
      <TD nowrap align="center"><HR size="1" noshade></TD>
      <TD><FONT size="1">&nbsp;</FONT></TD>
      <TD nowrap align="center"><HR size="1" noshade></TD>
  </TR>
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">4.1</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Amended and Restated Certificate of Incorporation of the Registrant, as amended</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">4.2(1)</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Amended and Restated By-Laws of the Registrant</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">4.3(2)</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Rights Agreement between Registrant and Equiserve Trust Company, N.A.,
  as rights agent</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">5</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Opinion of Hale and Dorr LLP, counsel to the Registrant</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">10.1</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Amended and Restated 1999 Outside Director Stock Option Plan of the
  Registrant</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">23.1</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Consent of Hale and Dorr LLP (included in Exhibit&nbsp;5)</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">23.2</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Consent of Ernst &#038; Young LLP</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">23.3</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Notice Regarding Consent of Arthur Andersen LLP</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">&nbsp;</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  
  <TR valign="bottom">
      <TD valign="top"><FONT size="2">24</FONT></TD>
      <TD><FONT size="2">&nbsp;</FONT></TD>
      <TD align="left" valign="top"><FONT size="2">
  Power of attorney (included on the signature pages of this registration statement)</FONT></TD>
  </TR>
  </TABLE>
  </CENTER>
  <P>
  <HR align="left" size="1" width="20%" noshade>
  <TABLE width="100%" border="0" cellpadding="0" cellspacing="0">
  <TR valign="top">
      <TD width="1%" align="left" nowrap><FONT size="2">(1)</FONT></TD>
      <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
      <TD width="96%"><FONT size="2">Incorporated herein by reference to the Exhibits to the Registrant&#146;s
  Registration Statement on Form&nbsp;S-3 (File No.&nbsp;333-64698).</FONT></TD>
  </TR>
  <TR>
      <TD><FONT size="2">&nbsp;</FONT></TD>
  </TR>
  <TR valign="top">
      <TD width="1%" align="left" nowrap><FONT size="2">(2)</FONT></TD>
      <TD width="3%"><FONT size="2">&nbsp;</FONT></TD>
      <TD width="96%"><FONT size="2">Incorporated herein by reference to the Exhibits to the Registrant&#146;s
  Current Report on Form&nbsp;8-K filed on October&nbsp;2, 2001.</FONT></TD>
  </TR>
  </TABLE>
  
  <P align="center"><FONT size="2"></FONT>
  
  
  
  
  </BODY>
  </HTML>
metadata_documents: [{"type": "S-8", "sequence": "1", "filename": "b46882atsv8.htm", "description": "ART TECHNOLOGY GROUP, INC.", "secsgml_size_bytes": 29166}]
metadata_filer: {"company-data": {"conformed-name": "ART TECHNOLOGY GROUP INC", "cik": "0001086195", "assigned-sic": "7372", "irs-number": "043141918", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-106057", "film-number": "03742088"}, "business-address": {"street1": "25 FIRST STREET", "city": "CAMBRIDGE", "state": "MA", "zip": "02141", "phone": "6178591212"}, "mail-address": {"street1": "101 HUNTINGTON AVENUE", "city": "BOSTON", "state": "MA", "zip": "02199"}}
text: Art Technology Group, Inc.
  Table of Contents
  As filed with the Securities and
  Exchange Commission on June 12, 2003
  Registration No. 333-
  SECURITIES AND EXCHANGE COMMISSION
  WASHINGTON, D.C. 20549
  FORM S-8
  REGISTRATION STATEMENT UNDER
  THE SECURITIES ACT OF 1933
  ART TECHNOLOGY GROUP, INC.
  (Exact Name of Registrant as Specified in Its Charter)
  Delaware
  04-3141918
  (State or other jurisdiction of
  (I.R.S. Employer
  incorporation or organization)
  Identification Number)
  25 First Street
  Cambridge, Massachusetts
  (Address of principal executive offices)
  02141
  (Zip Code)
  AMENDED AND RESTATED 1999 OUTSIDE DIRECTOR STOCK OPTION PLAN
  (Full Title of the Plan)
  ROBERT D. BURKE
  CHIEF EXECUTIVE OFFICER
  ART TECHNOLOGY GROUP, INC.
  25 FIRST STREET
  CAMBRIDGE, MASSACHUSETTS 02141
  (Name and Address of Agent For Service)
  (617) 386-1000
  (Telephone Number, Including Area Code, of Agent For Service)
  CALCULATION OF REGISTRATION FEE
  Proposed
  Proposed
  Maximum
  Maximum
  Title of Securities
  Amount to be
  Offering Price
  Aggregate
  Amount of
  to be Registered
  Registered (2)
  Per Share
  Offering Price
  Registration Fee
  Common Stock, $0.01
  par value per share
  (1)
  500,000 shares
  $
  1.81
  (3)
  $
  905,000
  (3)
  $
  73.22
  TABLE OF CONTENTS
  STATEMENT OF INCORPORATION BY REFERENCE
  ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL
  ITEM 8. EXHIBITS
  SIGNATURES
  POWER OF ATTORNEY AND SIGNATURES
  INDEX TO EXHIBITS
  Ex-4.1 Amended and Restated Certificate of Inc.
  Ex-5.1 Opinion of Hale & Dorr LLP
  Ex-10.1 1999 Outside Director Stock Option Plan
  Ex-23.2 Consent of Ernst & Young
  Ex-23.3 Notice Regarding Consent
  Table of Contents
  (1)
  Including the associated Preferred Stock Purchase Rights.
  (2)
  In accordance with Rule 416 under the Securities Act of 1933, as amended,
  this registration statement shall be deemed to cover any additional
  securities that may from time to time be offered or issued to prevent
  dilution resulting from stock splits, stock dividends or similar
  transactions.
  (3)
  Estimated solely for the purpose of calculating the registration fee
  pursuant to Rules 457(c) and 457(h) of the Securities Act of 1933, as
  amended, and based upon the average of the high and low prices of the
  Registrant's Common Stock as reported on the Nasdaq National Market on
  June 9, 2003.
  In addition, pursuant to Rule 416 (c) under the Securities Act of 1933,
  this registration statement also covers an indeterminate amount of interests to
  be offered or sold pursuant to the employee benefit plan(s) described herein.
  STATEMENT OF INCORPORATION BY REFERENCE
  This registration statement on Form S-8 is filed to register the offer and
  sale of an additional 500,000 shares of the Registrant's common stock, $0.01
  par value per share, to be issued under the Registrant's 1999 Amended and
  Restated Outside Director Stock Option Plan. This registration statement
  incorporates by reference the contents of the registration statement on Form
  S-8, File No. 333-83327, filed by the Registrant on July 21, 1999, relating to
  the Registrant's Amended and Restated 1999 Outside Director Stock Purchase
  Plan.
  ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL.
  Hale and Dorr LLP has opined as to the legality of the securities being
  offered by this registration statement.
  ITEM 8. EXHIBITS.
  The Exhibit Index immediately preceding the exhibits is incorporated herein by
  reference.
  Table of Contents
  SIGNATURES
  Pursuant to the requirements of the Securities Act of 1933, the registrant
  certifies that it has reasonable grounds to believe that it meets all of the
  requirements for filing on Form S-8 and has duly caused this registration
  statement to be signed on its behalf by the undersigned, thereunto duly
  authorized, in Cambridge, Massachusetts, on this 11
  th
  day of June, 2003.
  ART TECHNOLOGY GROUP, INC
  .
  (Registrant)
  By:
  /s/ Robert D. Burke
  Robert D. Burke
  Chief Executive Officer
  and President
  Table of Contents
  POWER OF ATTORNEY AND SIGNATURES
  We, the undersigned officers and directors of Art Technology Group, Inc.
  hereby severally constitute and appoint Robert D. Burke, Michael A. Pellini and
  Edward Terino, and each of them singly, our true and lawful attorneys with full
  power to them, and each of them singly, to sign for us and in our names in the
  capacities indicated below, the registration statement on Form S-8 filed
  herewith and any and all subsequent amendments to said registration statement,
  and generally to do all such things in our names and on our behalf in our
  capacities as officers and directors to enable Art Technology Group, Inc. to
  comply with the provisions of the Securities Act of 1933, as amended, and all
  requirements of the Securities and Exchange Commission, hereby ratifying and
  confirming our signatures as they may be signed by our said attorneys, or any
  of them, to said registration statement and any and all amendments thereto.
  Pursuant to the requirements of the Securities Act of 1933, this registration
  statement has been signed by
  the following persons in the capacities and on the dates indicated.
  NAME
  TITLE
  DATE
  /s/ Robert D. Burke
  Robert D. Burke
  Director, Chief Executive Officer and President
  (Principal Executive Officer)
  June 11, 2003
  /s/ Edward Terino
  Edward Terino
  Senior Vice President and Chief Financial Officer
  (Principal Financial and Accounting Officer)
  June 11, 2003
  /s/ Paul G. Shorthose
  Paul G. Shorthose
  Chairman of the Board
  June 11, 2003
  /s/ John R. Held
  John R. Held
  Director
  June 11, 2003
  /s/ Irene H. Lang
  Ilene H. Lang
  Director
  June 11, 2003
  /s/ Mary Makela
  Mary E. Makela
  Director
  June 11, 2003
  /s/ Thomas N. Matlack
  Thomas N. Matlack
  Director
  June 11, 2003
  /s/ Phyllis S. Swersky
  Phyllis S. Swersky
  Director
  June 11, 2003
  Table of Contents
  INDEX TO EXHIBITS
  NUMBER
  DESCRIPTION
  4.1
  Amended and Restated Certificate of Incorporation of the Registrant, as amended
  4.2(1)
  Amended and Restated By-Laws of the Registrant
  4.3(2)
  Rights Agreement between Registrant and Equiserve Trust Company, N.A.,
  as rights agent
  5
  Opinion of Hale and Dorr LLP, counsel to the Registrant
  10.1
  Amended and Restated 1999 Outside Director Stock Option Plan of the
  Registrant
  23.1
  Consent of Hale and Dorr LLP (included in Exhibit 5)
  23.2
  Consent of Ernst & Young LLP
  23.3
  Notice Regarding Consent of Arthur Andersen LLP
  24
  Power of attorney (included on the signature pages of this registration statement)
  (1)
  Incorporated herein by reference to the Exhibits to the Registrant's
  Registration Statement on Form S-3 (File No. 333-64698).
  (2)
  Incorporated herein by reference to the Exhibits to the Registrant's
  Current Report on Form 8-K filed on October 2, 2001.