<SUBMISSION>
<ACCESSION-NUMBER>0001070235-04-000126
<TYPE>6-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20041206
<FILING-DATE>20041206
<DATE-OF-FILING-DATE-CHANGE>20041206
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>RESEARCH IN MOTION LTD
<CIK>0001070235
<ASSIGNED-SIC>3661
<IRS-NUMBER>000000000
<FISCAL-YEAR-END>0228
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>6-K
<ACT>34
<FILE-NUMBER>000-29898
<FILM-NUMBER>041185454
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>295 PHILLIP ST
<STREET2>WATERLOO
<CITY>ONTARIO CANADA
<STATE>A6
<ZIP>00000
<PHONE>5198887465
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>295 PHILLIP STREET
<STREET2>WATERLOO, ONTARIO N2L 3W8
<CITY>ONTARIO
<STATE>A6
<ZIP>N2L 3W8
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>pr120604.htm
<TEXT>
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     <!-- Control Number: pr050404                                                         -->
     <!-- Rev Number:     001                                                              -->
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     <TITLE>PR120604</TITLE>
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<TD><div align="center"><font face="Times New Roman, Times, Serif" size=2><u><b>FORM
  6-K</b></u></font><BR><A NAME=A003></A></div><P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>SECURITIES
AND EXCHANGE COMMISSION </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Washington, D.C. 20549 </FONT></P>

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<A NAME=A005></A>
<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Report of Foreign
Private Issuer </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Pursuant to Rule 13a-16
or 15d-16 of </FONT></P>

<P ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=2>the Securities Exchange Act
of 1934 </FONT></P>
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<BR>
<p>&nbsp;</p>
<table width="600" border="0">
  <tr>
    <td width="230">For the month of</td>
    <td width="236"><b>December</b>
      <hr>
    </td>
    <td width="112"><b>2004</b>
      <hr>
    </td>
  </tr>
  <tr>
    <td width="230"><font face="Times New Roman, Times, Serif" size=2>Commission
      File Number</font></td>
    <td width="236"><b><font face="Times New Roman, Times, Serif" size=2>000-29898
      </font></b>
      <hr>
      <b><font face="Times New Roman, Times, Serif" size=2> </font></b></td>
    <td width="112">
      &nbsp;<hr>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"> <font face="Times New Roman, Times, Serif" size=3><b>Research
        In Motion Limited</b> </font>
        <hr>
        (Translation of registrant&#146;s name into English)</div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center">295 Phillip Street, <br>
        Waterloo, Ontario, Canada <br>
        N2L 3W8 </div>
    </td>
  </tr>
  <tr>
    <td colspan="3">
      <div align="center"><font face="Times New Roman, Times, Serif" size=2>(Address
        of principal executive offices) </font></div>
    </td>
  </tr>
</table>

<P>&nbsp;</P>

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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant files or will file annual reports under cover Form
20-F or Form 40F.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="427" border="0">
    <tr>
      <td width="200"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 20-F
        ___________</font></td>
      <td width="217"><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Form 40-F_____<u>X</u>_______</font></td>
    </tr>
  </table>
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by check mark         if the registrant is submitting the Form&nbsp;6-K in paper as
permitted         by Regulation&nbsp;S-T Rule&nbsp;101(b)(1):________________  </FONT></TD></TR>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark if   the registrant is submitting the Form&nbsp;6-K in paper as permitted
by Regulation&nbsp;S-T   Rule&nbsp;101(b)(7):________________  </FONT></TD></TR>
</TABLE>
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by check mark whether by furnishing the information contained in this Form, the
registrant is also thereby furnishing the information to the Commission pursuant to Rule
12g3-2(b) under the Securities Exchange Act of 1934.  </FONT></TD></TR>
</TABLE>
<div align="center"><BR>
  <table width="441" border="0">
    <tr>
      <td> <FONT FACE="Times New Roman, Times, Serif" SIZE=2>Yes__________________</font></td>
      <td><FONT FACE="Times New Roman, Times, Serif" SIZE=2>No________<u>X</u>__________</font></td>
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<TD><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
"Yes" is marked, indicate below the file number assigned to the registrant   in
connection with Rule 12g3-2(b) : 82-_______________  </FONT></TD></TR>
</TABLE>
<BR>

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<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>DOCUMENT INDEX </FONT></H1>
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  .</I> </FONT></P>

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        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document</FONT></p>
        <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>1. </FONT></p><BR><BR>
 </div>
    </TD>

    <TD ALIGN=LEFT WIDTH=81%>
      <p>&nbsp;</p>
      <p><FONT FACE="Times New Roman, Times, Serif" SIZE=2>News Release dated December 6, 2004
 (&#147;Nextel and RIM Introduce New BlackBerry 7520&quot;)</FONT></p>


    </TD>

    <TD WIDTH=11%>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2> Page
        No</FONT></P>
      <P ALIGN=center><FONT FACE="Times New Roman, Times, Serif" SIZE=2>3 </FONT></P><BR>


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<P ALIGN=RIGHT><FONT FACE="Times New Roman, Times, Serif" SIZE=2>Document 1 </FONT></P>
<HR SIZE=5 COLOR=GRAY NOSHADE>




<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=4>For Immediate Release </FONT></H1>



<b>Nextel Communications Inc.</b><br>
                                                                       2001 Edmund Halley Drive<br>
                                                                       Reston, Va. 20191<br><br>




                                                                         <b> <i>Nextel Communications Media Contact:</i></b><br>
                                                                                     Rich Pesce (703) 433-4927<br><br>

                                                                       <b><i>Nextel Communications Investor Contact:</i></b><br>
                                                                                   Paul Blalock (703) 433-4300<br><br>

                                                                                           <b><i> RIM Media Contact:</i></b><br>
                                                                              Courtney Flaherty (212) 771-3637<br><br>

                                                                                         <b><i>RIM Investor Contact:</i></b><br>
                                                                                                (519) 888-7465<br>
                                                                                    investor_relations@rim.com<br><br>

<H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>  <b>    Nextel and RIM Introduce New BlackBerry 7520</b></font></h1>



<p><FONT FACE="Times New Roman, Times, Serif" SIZE=3><b>Reston, VA and Waterloo,  ON - December 6, 2004</b> - Nextel  Communications  Inc. (Nasdaq:  NXTL) and Research In
Motion (RIM)  (Nasdaq:  RIMM;  TSX: RIM) today  announced the  availability  of the  BlackBerry  7520 Wireless
Handheld(TM).  The  BlackBerry  7520(TM)features  Bluetooth(R)technology for  hands-free,  wireless  communications
using  Bluetooth-enabled  headsets and car kits. It also  incorporates  GPS technology with E911 support.  The
BlackBerry 7520 provides a true mobile office  experience,  enabling phone,  Direct  Connect(R),  email and data
applications  in a single  integrated  device.  It  operates  on Nextel's  guaranteed  all-digital  network to
provide mobile professionals the freedom to access information and communicate while away from the office.</font></p>
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>
"BlackBerry  continues to be an important part of Nextel's  wireless  business  solutions  strategy and Nextel
has made it a priority to offer  customers a true mobile office  experience in a handheld device that empowers
them to make their  business  life and personal  life easier to manage,"  said Blair  Kutrow,  vice  president
product  management,  Nextel  Communications.  "Whether an  important  email or phone call while away from the
office,  contact  information for an important client while on a business trip, or access to your calendar for
the start time of your  daughter's  soccer game,  the  BlackBerry  7520 from Nextel helps keep control of your
busy life."</font></p>
<ul>
<b>New Features of the BlackBerry 7520 from Nextel:</b>

<li>        <b>Bluetooth capabilities </b>- for wireless headsets, earpieces and car kits
<li>     <b>  Enhanced  attachment  viewing</b> - view and store JPG,  BMP,  GIF,  PNG and TIFF  files and save  images
         directly from attachments for easy viewing*
<li>       <b> Increased  memory </b> - 32 MB  flash  memory  plus 4 MB SRAM to  provide  ample  storage  for  data  and
         applications
<li>      <b>  Full  wireless  PIM  synchronization </b> -  enables  automatic  wireless  synchronization  of  calendar,
         contacts, email notes and tasks*
<li>      <b>  Bright, backlit color screen (supports over 65,000 colors)</b> - easily view information  at-a-glance and
         control backlight intensity and duration up to two minutes.
<li>     <b>   GPS-enabled</b> - designed to help police,  fire and rescue to determine  device location in the event of
         an emergency
<li>     <b>  Powerful Mobile Applications</b> - supported by new Java(TM)Development Environment for BlackBerry(R)v4.0
<li>       <b> Design Enhancements</b> - larger keypad, scratch-resistant metal bezel and exclusive Arctic Black color
</ul>
<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The BlackBerry 7520 also includes the
features that have made the BlackBerry 7510 from Nextel so popular and functional,
including wireless access to email and email attachments, phone, Nextel Online&reg;
Wireless Web, intranet and organizer applications, speakerphone and Direct Connect&reg;,
the powerful coast-to-coast and country-to-country digital walkie-talkie service. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>&#147;The BlackBerry 7520 is a strong
addition to the product line-up and we are very pleased to continue our momentum with
Nextel,&#148; said Larry Conlee, Chief Operating Officer, Research In Motion.
&#147;Together, Nextel and RIM are providing a robust productivity solution for customers
and a powerful mobile application platform for developers.&#148; </FONT></P>

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<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>For corporate customers, BlackBerry
Enterprise Server software tightly integrates with Microsoft&reg; Exchange or IBM&reg;
Lotus&reg; Domino&reg; and works with existing enterprise systems to enable secure,
push-based, wireless access to email and other corporate data. The BlackBerry 7520 can
integrate with a variety of corporate data applications targeted to key market segments
such as financial, government, distribution, professional services, real estate, field
sales and service, construction and manufacturing. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>For individuals and smaller
businesses, BlackBerry Internet Service&#153; allows users to access up to ten-supported
corporate and/or personal email accounts (including Microsoft Exchange, IBM Lotus Domino
and many popular ISP email accounts) from a single device. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The BlackBerry 7520 from Nextel is
available today through select Nextel retail stores, online at
<U>www.nextel.com/blackberry</U>, or by calling 877-619-5037. Corporate customers can also
contact their account manager. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3><B>Note to Editors:</B> To download
images of the new BlackBerry 7520, please visit
<U>http://www.rim.com/news/kit/media/downloads/index.shtml</U>. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A002></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>About Nextel </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Nextel Communications, a FORTUNE 200
company based in Reston, Va., is a leading provider of fully integrated wireless
communications services and has built the largest guaranteed all-digital wireless network
in the country covering thousands of communities across the United States. Today 95
percent of FORTUNE 500 companies are Nextel customers. Nextel and Nextel Partners, Inc.
currently serve 297 of the top 300 U.S. markets where approximately 259 million people
live or work. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A003></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>About Research In Motion
(RIM) </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Research In Motion is a leading
designer, manufacturer and marketer of innovative wireless solutions for the worldwide
mobile communications market. Through the development of integrated hardware, software and
services that support multiple wireless network standards, RIM provides platforms and
solutions for seamless access to time-sensitive information including email, phone, SMS
messaging, Internet and intranet-based applications. RIM technology also enables a broad
array of third party developers and manufacturers to enhance their products and services
with wireless connectivity to data. RIM&#146;s portfolio of award-winning products,
services and embedded technologies are used by thousands of organizations around the world
and include the BlackBerry&reg; wireless platform, the RIM Wireless Handheld&#153; product
line, software development tools, radio-modems and software/hardware licensing agreements.
Founded in 1984 and based in Waterloo, Ontario, RIM operates offices in North America,
Europe and Asia Pacific. RIM is listed on the Nasdaq Stock Market (Nasdaq: RIMM) and the
Toronto Stock Exchange (TSX: RIM). For more information, visit www.rim.com or
www.blackberry.com. </FONT></P>

<!-- MARKER FORMAT-SHEET="Head Major Left Bold" FSL="Default" -->
<A NAME=A004></A>
<H1 ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>About Nextel Partners </FONT></H1>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Nextel Partners, Inc., (Nasdaq:NXTP),
based in Kirkland, Wash., has exclusive rights to offer the same fully integrated, digital
wireless communications services offered by Nextel Communications (Nextel) in mid-sized
and rural markets in 31 states where approximately 53 million people reside. Nextel
Partners and Nextel together offer the largest guaranteed all-digital wireless network in
the country serving 297 of the top 300 U.S. markets. To learn more about Nextel Partners,
visit www.nextelpartners.com. </FONT></P>

<!-- MARKER FORMAT-SHEET="Center Rule" FSL="Default" -->
     <P ALIGN=CENTER>_________________ </P>

<!-- MARKER FORMAT-SHEET="Head Left" FSL="Default" -->
<A NAME=A005></A>
<P ALIGN=LEFT><FONT FACE="Times New Roman, Times, Serif" SIZE=3>*BlackBerry Enterprise
Server v4.0 required </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>Forward-looking statements in this
news release are made pursuant to the &#147;safe harbor&#148; provisions of the United
States Private Securities Litigation Reform Act of 1995. When used herein, words such as
&#147;intend&#148; and similar expressions are intended to identify forward-looking
statements. Forward-looking statements are based on assumptions made by and information
available to Research In Motion Limited. Investors are cautioned that such forward-looking
statements involve risks and uncertainties. Important factors that could cause actual
results to differ materially from those expressed or implied by such forward looking
statements include, without limitation, possible product defects and product liability,
risks related to international sales and potential foreign currency exchange fluctuations,
the initiation or outcome of litigation, acts or potential acts of terrorism,
international conflicts, significant fluctuations of quarterly operating results, changes
in Canadian and foreign laws and regulations, continued acceptance of RIM&#146;s products,
increased levels of competition, technological changes and the successful development of
new products, dependence on third-party networks to provide services, dependence on
intellectual property rights and other risks and factors detailed from time to time in
RIM&#146;s periodic reports filed with the United States Securities and Exchange
Commission, and other regulatory authorities. The Company has no intention or obligation
to update or revise any forward-looking statements, whether as a result of new
information, future events or otherwise. </FONT></P>

<!-- MARKER FORMAT-SHEET="Para Flush" FSL="Default" -->
<P><FONT FACE="Times New Roman, Times, Serif" SIZE=3>The BlackBerry and RIM families of
related marks, images and symbols are the exclusive properties and trademarks of Research
In Motion Limited. RIM, Research In Motion and BlackBerry are registered with the U.S.
Patent and Trademark Office and may be pending or registered in other countries. All other
brands, product names, company names, trademarks and service marks are the properties of
their respective owners. </FONT></P>



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<TR VALIGN=TOP>
<TD><H1 ALIGN=CENTER><FONT FACE="Times New Roman, Times, Serif" SIZE=4>SIGNATURES
</FONT></H1>
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<TD><P><FONT FACE="Times New Roman, Times, Serif" SIZE=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
  to the requirements of the Securities Exchange Act of 1934, the registrant has   duly
caused this report to be signed on its behalf by the undersigned, thereunto   duly
authorized. </FONT></P><P>&nbsp;
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<p></P><table width="600" border="0"><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td colspan="2"><div align="center"><b><font face="Times New Roman, Times, Serif" size=3>Research
        In Motion Limited </font></b></div><hr><div align="center">(Registrant) </div></td></tr><tr><td width="33">Date:</td><td width="209"><div align="center"><u>December 6, 2004</u></div></td><td width="59">By:</td><td width="271">/s/ Rob Duncan <hr><div align="center">(Signature)
</div></td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Rob Duncan</td></tr><tr><td width="33">&nbsp;</td><td width="209">&nbsp;</td><td width="59">&nbsp;</td><td width="271">Vice President, Corporate Controller</td></tr></table>


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